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Determination method of ore lithium

Determination method of ore lithium, Total:500 items.

In the international standard classification, Determination method of ore lithium involves: Metalliferous minerals, Non-ferrous metals, Water quality, Analytical chemistry, Products of non-ferrous metals, Non-metalliferous minerals, MINING AND MINERALS, Testing of metals, Nuclear energy engineering, Inorganic chemicals.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method of ore lithium

GB/T 17413.1-2010 Methods for chemical analysis of lithium,rubidium and cesium ores.Part 1:Determination of lithium content
GB/T 17413.1-1998 Methods for chemical analysis of Lithium, Rubidium and Cesium ores.Determination of Lithium content.Flame atomic absorption/emission spectrophotometric method
GB/T 17413.2-2010 Methods for chemical analysis of lithium,rubidium and cesium ores.Part 2:Determination of rubidium content
GB/T 17413.3-2010 Methods for chemical analysis of lithium,rubidium and cesium ores.Part 3:Determination of cesium content
GB/T 3885.12-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The gravimetric method for the determination of loss on ignition
GB/T 17413.3-1998 Methods for chemical analysis of lithium、rubidium and cesium ores.Determination of Cesium content.Flame atomic absorption/emission spectrophotometric method
GB/T 17413.2-1998 Methods for chemical analysis of Lithium, Rubidium and Cesium ores.Determination of Rubidium content.Flame atomic absorption/emission spectrophotometric method
GB/T 3885.10-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The ion selective electrode method for the determination of fluorine content in lepidolite concentrates
GB/T 3885.4-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The EDTA volumetric method for the determination of aluminum oxide content
GB/T 3885.5-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The EDTA volumetric method for the determination of ferric oxide content
GB/T 3885.7-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The molybdenum blue photometric method for the determination of phosphorus pentoxide content
GB/T 3885.3-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The gravimetric-molybdenum blue photometric method for the determination of silicon dioxide content
GB/T 3885.8-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The chromazurol S and cetyl trimethyl ammonium bromide photometric method for the determination of beryllium oxide content
GB/T 3885.11-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The persulfate oxidation photometric method for the determination of manganous oxide content
GB/T 3885.6-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The O-phenanthroline photometric method for the determination of ferric oxide content
GB/T 3885.1-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The atomic absorption spectrophotometric method for the determination of lithium oxide,sodium oxide and potassium oxide contents
GB/T 3885.9-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The atomic absorption spectrophotometric method for the determination of calcium oxide and magnesium oxide contents
GB/T 3885.2-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The atomic absorption spectrophotometric method for the determination of rubidium oxide and caesium oxide contents
GB/T 14353.1-1993 Methods for chemical analysis of copper ores and zinc ores. Determination of copper
GB/T 14353.2-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of lead
GB/T 14353.3-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of zinc
GB/T 14353.4-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of cadmium
GB/T 14353.5-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of nickel
GB/T 14353.6-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of cobalt
GB/T 14353.9-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of molybdenum
GB/T 14353.12-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of sulfur
GB/T 14353.14-2014 Methods for chemical analysis of copper ores, lead ores and zinc ore.Part 14: Determination of germanium content
GB/T 14353.15-2014 Methods for chemical analysis of copper ores, lead ores and zinc ores.Part 15:Determination of selenium content
GB/T 14353.17-2014 Methods for chemical analysis of copper ores, lead ores and zinc ores.Part 17:Determination of thallium content
GB/T 14353.1-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 1:Determination of copper content
GB/T 14353.2-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 2:Determination of lead content
GB/T 14353.3-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 3:Determination of zinc content
GB/T 14353.4-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 4:Determination of cadmium content
GB/T 14353.5-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 5:Determination of nickel content
GB/T 14353.6-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 6:Determination of cobalt content
GB/T 14353.7-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 7:Determination of arsenic content
GB/T 14353.8-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 8:Determination of bismuth content
GB/T 14353.9-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 9:Determination of molybdenum content
GB/T 14353.10-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 10:Determination of tungsten content
GB/T 14353.11-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 11:Determination of silver content
GB/T 14353.12-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 12:Determination of sulfur content
GB/T 14353.16-2010 Methods for chemical analysis of copper ores,lead ores and zinc ores.Part 16:Determination of tellurium content
GB/T 14202-1993 Iron ores (sinter and pellets)--Determination of bulk density
GB/T 13241-1991 Iron ores--Determination of reducibility
GB/T 17415.1-2010 Methods for chemical analysis of tantalum and niobium ores.Part 1:Determination of tantalum content
GB/T 17415.2-2010 Methods for chemical analysis of tantalum and niobium ores.Part 2:Determination of niobium content
GB/T 14352.1-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 1:Determination of tungsten content
GB/T 14352.3-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 3:Determination of copper content
GB/T 14352.4-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 4:Determination of lead content
GB/T 14352.5-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 5:Determination of zinc content
GB/T 14352.6-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 6:Determination of cadmium content
GB/T 14352.7-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 7:Determination of cobalt content
GB/T 14352.8-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 8:Determination of nickel content
GB/T 14352.9-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 9:Determination of sulfur content
GB/T 14352.10-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 10:Determination of arsenic content
GB/T 14352.12-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 12:Determination of silver content
GB/T 14352.13-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 13:Determination of tin content
GB/T 14352.14-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 14:Determination of gallium content
GB/T 14352.15-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 15:Determination of germanium content
GB/T 14352.16-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 16:Determination of selenium content
GB/T 14352.17-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 17:Determination of tellurium content
GB/T 14352.18-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 18:Determination of rhenium content
GB/T 14352.11-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 11:Determination of bismuth content
GB/T 14352.2-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 2:Determination of molybdenum content
GB/T 10322.6-2004 Iron ore-Determination of decrepitation index
GB/T 14352.2-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of molybdenum content. potassium thiocynate photometric method
GB/T 14352.9-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of totol sulfur content. Iodometric method after combustion
GB/T 14352.18-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of rhenium content-Potassium thiocynate photometric method
GB/T 14352.1-1993 Methods for chemical analysis of tungsten ores and molybdenum ores
GB/T 14353.15-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of selenium content. 3,3'-diaminobenzidine photometric method
GB/T 14353.11-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of silver content. Flame atomic absorption spectrometric method
GB/T 15922-2010 Method for chemical analysis of cobalt ores.Determination of cobalt content
GB/T 15927-2010 Method for chemical analysis of arsenic ores.Determination of arsenic content
GB/T 15923-2010 Method for chemical analysis of nickel ores.Determination of nickel content
GB/T 15924-2010 Method for chemical analysis of tin ores.Determination of tin content
GB/T 15925-2010 Method for chemical analysis of antimony ores.Determination of antimony content
GB/T 15926-2010 Method for chemical analysis of bismuth ores.Determination of bismuth content
GB/T 14506.15-2010 Methods for chemical analysis of silicate rocks.Part 15:Determination of lithium content
GB/T 11064.1-1989 Lithium carbonate--Determination of lithium carbonate content--Acid-alkali titrimetric method
GB/T 11064.3-1989 Lithium carbonate--Determination of lithium chloride content--Potentiometric method
GB/T 14353.8-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of bismuth content. Hydride generationatomic fluorescence spectrometric method
GB/T 11064.2-1989 Lithium carbonate--Determination of lithium hydroxide content--Acid-alkali titrimetric method
GB/T 14949.4-1994 Manganese ores- Determination of vanadium content
GB/T 14949.5-1994 Manganese ores- Determination of titanium content
GB/T 14949.9-1994 Manganese ores- Determination of sulphur contents
GB/T 14949.1-1994 Manganese ores- Determination of chromium content
GB/T 14949.2-1994 Manganese ores- Determination of nickel content
GB/T 14949.10-1994 Manganese ores- Determination of cobalt content
GB/T 14352.13-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of tin content. Polarographic method in hydrochloric acid-ammoninm chloride medium
GB/T 14353.16-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of tellurium content. Graphite furnace atomic absorption spectrometric method
GB/T 14352.16-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of selenium content-3,3'-diaminobenzidine photometric method
GB/T 15924-1995 Method for chemical analysis of tin ores--Determination of tin content--Iodometric method
GB/T 6730.40-1986 Methods for the chemical analysis of iron ores--The polarography method for the determination of nickel content
GB/T 6730.20-1986 Methods for the chemical analysis of iron ores--The volumetric method for the determination of phosphorus content
GB/T 6730.10-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of silicon content
GB/T 14353.7-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of arsenic content. Silver diethyl-dithiocarbamate photometric method
GB/T 6730.15-1986 Methods for chemical analysis of iron ores--The complexometric method for the determination of magnesium content
GB/T 14353.13-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of gallium content. Rhodamine B photometric method after butylacetate extraction
GB/T 14352.12-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of silver content. Flame atomic absorption spectrometric method after metyl iso-butyl ketone extraction
GB/T 14352.3-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of copper content. Flame atomic absorption spectrometric method
GB/T 14352.4-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of copper content. Flame atomic absorption spectrometric method
GB/T 14352.5-1993 Mehtoss for chemical analysis of tungsten ores molybdenum ores. Determination of zinc content. Flame atomic absorption spectrometric method
GB/T 14352.6-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of cadmium content. Flame atomic absorption spectrometric method
GB/T 14352.11-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of bismuth content. Flame atomic absorption spectrometric method
GB/T 14353.18-2014 Methods for chemical analysis of copper ores, lead ores and zinc ores.Part 18:Determination of copper content、lead content、zinc content、cobalt content and nickel content

Professional Standard - Non-ferrous Metal, Determination method of ore lithium

YS/T 509.12-2006 Determination of loss on ignition by gravimetric method for chemical analysis of spodumene and lepidolite concentrates
YS/T 509.11-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of loss on ignition.Gravimetric method
YS/T 509.10-2006 Chemical analysis method of spodumene and lepidolite concentrate Determination of fluorine content in lepidolite by ion selective electrode method
YS/T 509.9-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of fluorine content.Ion selective electrode method
YS/T 509.4-2006 Spodumene and Lepidolite Concentrate Chemical Analysis Method EDTA Volumetric Method Determination of Al2O3 Content
YS/T 509.5-2006 Spodumene and Lepidolite Concentrate Chemical Analysis Method EDTA Volumetric Method for Determination of Ferric Oxide Content
YS/T 509.4-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of aluminum oxide content.EDTA compleximetric method
YS/T 509.7-2006 Method for chemical analysis of spodumene and lepidolite concentrates Molybdenum blue photometric method for determination of phosphorus pentoxide
YS/T 509.3-2006 Method for Chemical Analysis of Spodumene and Lepidolite Concentrates Gravimetric-Molybdenum Blue Photometric Method for Determination of Silica Content
YS/T 509.8-2006 Chemical analysis method of spodumene and lepidolite concentrate Determination of beryllium oxide content by chrome azure S-CTMAB spectrophotometry
YS/T 509.11-2006 Method for chemical analysis of spodumene and lepidolite concentrates—Determination of persulfate oxidation photometry—Manganese oxide content
YS/T 509.6-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of phosphorus pentoxide content.The molybdenum blue photometric method
YS/T 509.6-2006 Method for chemical analysis of spodumene and lepidolite concentrate - Determination of ferric oxide by o-diazephenanthrene photometry
YS/T 509.1-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of lithium oxide, sodium oxide, and potassium oxide contents.Flame atomic absorption spectometric method
YS/T 509.1-2006 Methods for chemical analysis of spodumene and lepidolite concentrates - Determination of lithium oxide, sodium oxide and potassium oxide by atomic absorption spectrophotometry
YS/T 509.3-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of silicon dioxide content.Gravimetric-molybdenum blue photometric method
YS/T 509.7-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of beryllium oxide content.Chromazurol S and cetyltrimethyl ammonium bromide spectrophotometric method
YS/T 509.9-2006 Chemical analysis methods of spodumene and lepidolite concentrates - Determination of calcium oxide and magnesium oxide by atomic absorption spectrophotometry
YS/T 509.2-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of rubidium oxide and caesium oxide contents.Flame atomic absorption sPedrometric method
YS/T 509.8-2008 Methods for chemical analysis of spodumene and lepidoIite concentrates.Determination of calcium oxide and magnesium oxide content.Flame atomic absorption spectrometric method
YS/T 509.10-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of manganous oxide content.Persulfate oxidation photometric method
YS/T 509.2-2006 Chemical analysis methods of spodumene and lepidolite concentrates Determination of rubidium oxide and cesium oxide by atomic absorption spectrophotometry
YS/T 3020-2013 Testing procedure of grinding work index of gold-bearing ore
YS/T 509.5-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of ferric oxide content.O-phenanthroline photometric method and EDTA compleximetric method
YS/T 254.4-1994 Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for determination of lithium oxide content
YS/T 3023-2014 Test method of relative grindability of gold ore
YS/T 254.4-2011 Methods for chemical analysis of beryllium concentrate and beryl.Part 4:Determination of lithium oxide contents.Flame atomic absorption spectrometry
YS/T 804-2012 Test method for the grinding work index of bauxitic ore

Professional Standard - Coal, Determination method of ore lithium

MT/T 890-2000 Determination of lithium in coal mine water

RU-GOST R, Determination method of ore lithium

GOST 8775.1-1987 Lithium. Methods for determination of lithium
GOST R 53403-2009 Iron ores, concentrates, agglomerates and pellets. Method for the determination of titanium content
GOST 21707-1976 Iron ores, agglomerates and pellets. Method for determination of gas permeability and layer shrinkage during reduction
GOST 8775.2-1987 Lithium. Method of determination of sodium, potassium and calcium
GOST 26628-1985 Iron ores, concentrates, agglomerates and pellets. Methods of cobalt determination
GOST 25473-1982 Iron ores and concentrates. Method for the determination of mineralogical type
GOST 15848.21-1990 Chromium ores and concentrates. Method for determination of hygroscopic moisture
GOST 12764-1973 Iron ores, concentrates, agglomerates and pellets. Method for determination of moisture
GOST 23581.2-1979 Iron ores, concentrates, agglomerates and pellets. Methods of determination of manganese protoxide content
GOST 15137-1977 Iron and manganese ores, agglomerates and pellets. Determination of tumbler strength
GOST 32517.1-2013 Iron ores, concentrates, agglomerates and pellets. Methods for the determination of total iron
GOST 22772.6-1996 Manganese ores, concentrates and agglomerates. Methods for determination of phosphorus
GOST 22772.7-1996 Manganese ores, concentrates and agglomerates. Methods for determination of sulphur
GOST 15848.14-1990 Chromium ores and concentrates. Methods for determination of phosphorus
GOST 22772.6-1977 Manganese ores, concentrates and agglomerates. Methods for the determination of phosphorus
GOST 22772.7-1977 Manganese ores, concentrates and agglomerates. Methods for the determination of sulphur
GOST 32518.1-2013 Iron ores, concentrates, agglomerates and pellets. Determination of silica gravimetric method
GOST 23581.17-1981 Iron ores, concentrates, agglomerates and pellets. Methods for the determination of aluminium oxide
GOST 22772.1-1996 Manganese ores, concentrates and agglomerates. Method for determination of hygroscopic moisture
GOST 15848.2-1990 Chromium ores and concentrates. Methods for determination of total iron
GOST 22772.1-1977 Manganese ores, concentrates and agglomerates. Method for the determination of hygroscopic moisture
GOST 23581.5-1979 Iron ores, concentrates, agglomerates and pellets. Methods of the determination of chromium content
GOST 23581.6-1979 Iron ores, concentrates, agglomerates and pellets. Methods of the determination of capper content
GOST 23581.8-1979 Iron ores, concentrates, agglomerates and pellets. Methods of the determination of arsenic content
GOST 23581.9-1979 Iron ores, concentrates, agglomerates and pellets. Methods of the determination of carbon content
GOST 23581.13-1979 Iron ores, concentrates, agglomerates and pellets. Method of determination of mass loss of ignition
GOST 23581.18-1981 Iron ores, concentrates, agglomerates and pellets. Method for the determination of total iron

Korean Agency for Technology and Standards (KATS), Determination method of ore lithium

KS E 3911-2008(2019) Methods for determination of copper in manganese ores
KS E 3080-2020 Method for determination of selenium ores
KS E 3002-2011(2016) Methods for determination of lead in ores
KS E 3080-2004 Method for determination of selenium in ores
KS E 3003-1993 Methods for determination of tungsten in ores
KS E 3004-1993 Methods for determination of arsenic in ores
KS E 3029-1993 Determination or mo1ybdenum in ores
KS E 3082-1998 Determination of cadmium in ores
KS E 3050-1996 Methods for determination of nickel in ores
KS E 3001-2006 Methods for determination of copper in ores
KS E 3062-2006 Methods for determination of antimony in ores
KS E 3070-2006 Methods for determination of bismuth in ores
KS E 3068-2007 Determination of cobalt in ores
KS E 3006-2008 Methods for determination of zinc in ores
KS E 3002-2011 Methods for determination of lead in ores
KS E 3005-2011 Manganese ores－Determination of manganese content
KS E 3100-2009 Methods for determination of uranium in ores
KS E 3067-2008 Determination of tin in ores
KS E 3001-2006(2021) Methods for determination of copper in ores
KS E 3006-2018 Methods for determination of zinc in ores
KS E 3093-2022 Titanium ores — Methods for determination of calcium
KS E 3094-2022 Titanium ores — Methods for determination of magnesium
KS E 3050-2022 Methods for determination of nickel in ores
KS E 3003-2014(2019) Methods for determination of tungsten in ores
KS E 3092-2022 Titanium ores — Methods for determination of manganese
KS E 3100-2009(2019) Methods for determination of uranium in ores
KS E 3001-2006(2016) Methods for determination of copper in ores
KS E 3062-2022 Methods for determination of antimony in ores
KS E 3004-2018 Methods for determination of arsenic in ores
KS E 3002-2011(2021) Methods for determination of lead in ores
KS E 3070-2017(2022) Methods for determination of bismuth in ores
KS E 3006-1993 Methods for determination of zinc in ores
KS E 3100-1993 Methods for determination of uranium in ores
KS E 3003-2014 Methods for determination of tungsten in ores
KS E 3050-2017 Methods for determination of nickel in ores
KS E 3062-2017 Methods for determination of antimony in ores
KS E 3070-2017 Methods for determination of bismuth in ores
KS E 3062-1972 Methods for determination of antimony in ores
KS E 3915-2011 Determination of lead in titanium ores
KS E 3910-2009 Chromium ores－Determination of chromium content
KS E 3916-2011 Determination of niobium in titanium ores
KS E 3917-2011 Determination of phosphorus in titanium ores
KS E 3027-2006 Methods for determination of silicon in manganese ores
KS E 3051-2008 Determination of gold and silver in ores
KS E 3073-2011 Chromium ores－Method for determination of iron content
KS E 3088-2002 Titanium ores－Methods for determination of iron
KS E 3090-2002 Methods for determination of vanadium in titanium ores
KS E 3091-2002 Determination of chromium in titanium ores
KS E 3092-2002 Titanium ores－Methods for determination of manganese
KS E 3094-2002 Titanium ores-Methods for determination of magnesium
KS E 3014-1995 Methods for determination of sulfur in iron ores
KS E 3909-2002 Chromium ores－Determination of sulfur content
KS E 3089-2002 Methods for determination of silicon dioxide in titanium ores
KS E 3026-1996 Methods for determination of sulfur in manganese ores
KS E 3044-2001 Methods for determination of bismuth in iron ores
KS E 3060-2001 Methods for determination of chromium in iron ores
KS E 3093-2002 Titanium ores－Methods for determination of calcium
KS E 3087-2007 Method for determination of phosphorus in chromium ores
KS E 3911-2008 Methods for determination of copper in manganese ores
KS E 3914-2011 Determination of tin in titanium ores
KS E 3913-2011 Determination of arsenic in titanium ores
KS E 3017-1993 Methods for determination of maganese in iron ores
KS E 3011-1995 Method for determination of phosphorus in iron ores
KS E 3088-2017 Titanium ores－Methods for determination of iron
KS E 3090-2017 Methods for determination of vanadium in titanium ores
KS E 3093-2017 Titanium ores－Methods for determination of calcium
KS E 3094-2017 Titanium ores－Methods for determination of magnesium
KS E 3040-2011 Methods for determination of lead in iron ores
KS E 3014-2017 Methods for determination of sulfur in iron ores
KS E 3042-2017 Methods for determination of potassium in iron ores
KS E 3044-2017 Methods for determination of bismuth in iron ores
KS E 3060-2017 Methods for determination of chromium in iron ores
KS E 3060-2022 Methods for determination of chromium in iron ores
KS E 3027-2022 Methods for determination of silicon in manganese ores
KS E 3046-2022 Methods for determination of phosphorus in manganese ores
KS E 3090-2022 Methods for determination of vanadium in titanium ores
KS E 3044-2022 Methods for determination of bismuth in iron ores
KS E 3042-2022 Methods for determination of potassium in iron ores
KS E 3087-2022 Method for determination of phosphorus in chromium ores
KS E 3088-2022 Methods for determination of iron in titanium ores
KS E 3086-2012(2017) Method for determination of aluminium in chromium ores
KS E 3026-2022 Methods for determination of sulfur in manganese ores
KS E 3022-2022 Methods for determination of magnesium in iron ores
KS E 3073-2011(2016) Chromium ores－Method for determination of iron content
KS E 3022-1999 Methods for determination of magnesium in iron ores
KS E 3060-1971 Methods for determination of chromium in iron ores
KS E 3085-2022 Chromium ores — Method for determination of magnesium — EDTA titrimetric method
KS E 3022-2006 Iron ores－Methods for determination of magnesium content
KS E 3073-2011(2021) Chromium ores－Method for determination of iron content
KS E 3086-2022 Chromium ores — Method for determination of aluminium content
KS E 3028-2011(2016) Methods for determination of combined water in manganese ores
KS E 3085-2012(2017) Chromium ores－Method for determination of magnesium－EDTA titrimetric method
KS E ISO 8531:2003 Manganese and chromium ores－Experimental methods for checking the precision of moisture determination
KS E 3042-1996 Methods for determination of potassium oxide in iron ores
KS E 3074-2011 Method for determination of silicon dioxide in chrome ores
KS E 3086-2012 Method for determination of aluminium in chromium ores
KS E 3019-2004 Methods for determination of calcium oxide in iron ores
KS E 3012-2001 Method for determination of combined water in iron ores
KS E 3085-2012 Chromium ores－Method for determination of magnesium－EDTA titrimetric method
KS E 3028-2011 Methods for determination of combined water in manganese ores
KS E 3019-1993 Methods for determination of calcium oxide in iron ores
KS E 3023-1993 Methods for determination of aluminium oxide in iron ores
KS E 3022-1995 Methods for determination of magnesium oxide in iron ores
KS E 3019-2014 Methods for determination of calcium oxide in iron ores
KS E 3012-2017 Method for determination of combined water in iron ores
KS E 3022-2017 Methods for determination of magnesium oxide in lron ores
KS E 3028-2021 Methods for determination of combined water in manganese ores
KS E 3012-2022 Method for determination of combined water in iron ores
KS E 3098-1993 Method for determination of rare earths in ores
KS E 3019-1999 Methods for determination of calcium oxide in iron ores
KS E 3012-1981 Method for determination of combined water in iron ores
KS E 3015-2001 Methods for determination of silicon dioxide in iron ores
KS E 3016-2003 Determination of ferrous oxide in iron ores
KS E 3081-2002 Determination of N oxygen in manganese ores
KS E 3061-2003 Methods for determination of titanium dioxide in iron ores
KS E 3063-2008 Determination of titanium in titanium ores
KS E 3035-1993 Test methods for determination of reducibility of iron ores
KS E 3061-1993 Methods for determination of titanium dioxide in iron ores
KS E 3089-2017 Methods for determination of silicon dioxide in titanium ores
KS E 3015-2017 Methods for determination of silicon dioxide in iron ores
KS E 3089-2022 Methods for determination of silicon dioxide in titanium ores
KS E 3061-2003(2013) Methods for determination of titanium dioxide in iron ores
KS E 3015-2022 Methods for determination of silicon dioxide in iron ores
KS E 3074-2022 Method for determination of silicon dioxide in chromium ores
KS E 3015-1986 Methods for determination of silicon dioxide in iron ores
KS E 3098-2004(2019) Method for determination of rare earths in ores
KS E 3041-2005 TEST METHOD FOR DETERMINATION OF TUMBLER STRENGTH OF IRON ORES
KS E 3047-2011(2016) Method for sampling and method of determination of moisture content of garnierite nickel ores
KS E 3047-2011 Method for sampling and method of determination of moisture content of garnierite nickel ores

Japanese Industrial Standards Committee (JISC), Determination method of ore lithium

JIS M 8132:2021 Ores -- Methods for determination of arsenic
JIS M 8320:1999 Titanium ores -- Methods for determination of phosphorus
JIS M 8324:1999 Titanium ores -- Method for determination of lead
JIS M 8323:1999 Titanium ores -- Methods for determination of tin
JIS M 8322:1999 Titanium ores -- Methods for determination of arsenic
JIS M 8318:1999 Titanium ores -- Methods for determination of calcium
JIS M 8317:1999 Titanium ores -- Methods for determination of manganese
JIS M 8319:1999 Titanium ores -- Methods for determination of magnesium
JIS M 8245:2014 Manganese ores -- Methods for determination of boron
JIS M 8244:2014 Manganese ores -- Methods for determination of potassium
JIS M 8243:2014 Manganese ores.Methods for determination of sodium
JIS M 8246:2015 Manganese ores -- Methods for determination of magnesium
JIS M 8128:2008 Methods for determination of tungsten in ores
JIS M 8128:1976 Methods for determination of tungsten in ores
JIS M 8131:1962 Methods for determination of molybdenum in ores
JIS M 8121:2022 Ores -- Methods for determination of copper
JIS M 8263:1994 Chromium ores -- Method for determination of iron content
JIS M 8264:1993 Chromium ores -- Determination of silicon content
JIS M 8266:1994 Chromium ores -- Method for determination of aluminium content
JIS M 8217:1994 Iron ores -- Methods for determination of sulfur content
JIS M 8230:1994 Iron ores -- Methods for determination of bismuth content
JIS M 8262:1993 Chromium ores -- Determination of chromium content
JIS M 8220:1995 Iron ores -- Methods for determination of aluminium content
JIS M 8237:1995 Manganese ores -- Methods for determination of sulphur content
JIS M 8239:1995 Manganese ores -- Methods for determination of aluminium content
JIS M 8219:1995 Iron ores -- Methods for determination of titanium content
JIS M 8240:1995 Manganese ores -- Methods for determination of calcium content
JIS M 8242:1995 Manganese ores -- Method for determination of copper content
JIS M 8321:1999 Titanium ores -- Methods for determination of niobium
JIS M 8235:2004 Manganese ores -- Determination of silicon content
JIS M 8234:2004 Manganese ores -- Methods for determination of iron content
JIS M 8239:2015 Manganese ores -- Methods for determination of aluminium
JIS M 8240:2015 Manganese ores -- Methods for determination of calcium
JIS M 8234:2016 Manganese ores -- Methods for determination of iron content
JIS M 8237:2016 Manganese ores -- Methods for determination of sulphur content
JIS M 8242:2018 Manganese ores -- Method for determination of copper content
JIS M 8216:1994 Iron ores -- Method for determination of phosphorus content
JIS M 8214:1995 Iron ores -- Methods for determination of silicon content
JIS M 8215:1995 Iron ores -- Methods for determination of manganese content
JIS M 8207:1995 Iron ores -- Method for determination of sodium content
JIS M 8208:1995 Iron ores -- Method for determination of potassium content
JIS M 8210:1995 Iron ores -- Methods for determination of cobalt content
JIS M 8127:1994 Ores -- Methods for determination of tin
JIS M 8126:1994 Ores -- Methods for determination of nickel
JIS M 8123:1994 Ores -- Methods for determination of lead
JIS M 8122:1994 Ores -- Methods for determination of sulfur
JIS M 8135:1994 Ores -- Method for determination of cadmium
JIS M 8134:1994 Ores -- Methods for determination of selenium
JIS M 8132:1992 Ores -- Methods for determination of arsenic
JIS M 8129:1994 Ores -- Methods for determination of cobalt
JIS M 8123:1999 Ores -- Methods for determination of lead
JIS M 8123:2006 Ores -- Methods for determination of lead
JIS M 8234:1992 Manganese ores -- Determination of iron content
JIS M 8235:1992 Manganese ores -- Determination of silicon content
JIS M 8267:1988 Method for determination of phosphorus in chromium ores
JIS M 8402:1977 Methods for determination of uranium in ores
JIS M 8403:1977 Methods for determination of thorium in ores
JIS M 8405:1976 Methods for determination of yttrium in ores
JIS M 8706:1996 Iron ores -- Determination of size distribution by sieving
JIS M 8218:1997 Iron ores -- Methods for determination of copper content
JIS M 8221:1997 Iron ores -- Methods for determination of calcium content
JIS M 8222:1997 Iron ores -- Methods for determination of magnesium content
JIS M 8223:1997 Iron ores -- Methods for determination of nickel content
JIS M 8224:1997 Iron ores -- Methods for determination of chromium content
JIS M 8225:1997 Iron ores -- Methods for determination of vanadium content
JIS M 8226:1997 Iron ores -- Method for determination of arsenic content
JIS M 8227:1997 Iron ores -- Methods for determination of tin content
JIS M 8228:1997 Iron ores -- Methods for determination of zinc content
JIS M 8229:1997 Iron ores -- Method for determination of lead content
JIS M 8268:2004 Chromium ores -- Methods for determination of sulfur content
JIS M 8236:2004 Manganese ores -- Methods for determination of phosphorus content
JIS M 8267:2004 Chromium ores -- Method for determination of phosphorus content
JIS M 8265:2005 Chromium ores -- Methods for determination of magnesium content
JIS M 8232:2005 Manganese ores -- Methods for determination of manganese content
JIS M 8226:2006 Iron ores -- Methods for determination of arsenic content
JIS M 8212:1994 Iron ores -- Methods for determination of total iron content
JIS M 8130:1996 Methods for determination of antimony in ores
JIS M 8133:1996 Methods for determination of bismuth in ores
JIS M 8121:1997 Methods for determination of copper in ores
JIS M 8124:2003 Ores -- Methods for determination of zinc
JIS M 8124:1979 Methods for determination of zinc in ores
JIS M 8263:2021 Chromium ores -- Methods for determination of iron content
JIS M 8719:1990 Iron ore pellets -- Determination of volume
JIS M 8236:1988 Methods for determination of phosphorus in manganese ores
JIS M 8317:1976 Determination of manganese in titanium ores
JIS M 8318:1967 Determination of calcium in titanium ores
JIS M 8319:1967 Determination of magnesium in titanium ores
JIS M 8265:1994 Chromium ores -- Method for determination of magnesium content
JIS M 8233:1995 Manganese ores -- Methods for determination of active oxygen content
JIS M 8311:1997 Method for determination of titanium in titanium ores
JIS M 8312:1997 Methods for determination of iron in titanium ores
JIS M 8314:1997 Methods for determination of silicon dioxide in titanium ores
JIS M 8315:1997 Methods for determination of vanadium in titanium ores
JIS M 8316:1997 Methods for determination of chromium in titanium ores
JIS M 8211:1995 Iron ores -- Method for determination of combined water content
JIS M 8111:1998 Method for determination of gold and silver in ores
JIS M 8715:1990 Iron ore pellets -- Determination of swelling index
JIS M 8407:1977 Method for determination of niobium and tantalum in ores
JIS M 8718:1993 Iron ore pellets -- Determination of crushing strength
JIS M 8231:2005 Manganese ores -- Methods for determination of combined water contents
JIS M 8213:1995 Iron ores -- Method for determination of acid soluble iron (II) content
JIS M 8231:1982 Methods for determination of combined water in manganese ores
JIS M 8404:1976 Methods for determination of rare earths in ores
JIS M 8711:1993 Iron ore sinter -- Determination of shatter strength
JIS M 8711:2011 Iron ore sinter -- Determination of shatter strength
JIS M 8226 AMD 1:2022 Iron ores -- Methods for determination of arsenic content (Amendment 1)
JIS M 8705:1996 Iron ores -- Determination of moisture content of a consignment
JIS M 8705:2006 Iron ores -- Determination of the moisture content of a lot
JIS M 8130 AMD 1:2016 Methods for determination of antimony in ores (Amendment 1)
JIS M 8133 AMD 1:2016 Methods for determination of bismuth in ores (Amendment 1)

YU-JUS, Determination method of ore lithium

JUS B.G8.214-1981 Ores and concentrates. Manganese ores. Methods for chemical analysis. Determination of copper
JUS B.G8.304-1988 Ores and concentrates. Cbromium ores. Determination of calcium and magnesium contents. EUTA titrimetric method
JUS B.G8.372-1983 Ores and concentrates. Zine concentrate. Methods for chemical analysis. Determination of fluor
JUS B.G8.303-1988 Ores and concentrates. Cbromium ore? and concentrates. Determinat ion of chromium content. Titriuetric method
JUS B.G8.404-1984 Ores and concentratas. Lead concsntrats. Methods of chemical analysis. Determination of bismuth con-tent
JUS B.G8.209-1986 Ores and concentrates. Manganese ores. Determination of arsenic content. Photometric method
JUS B.G8.402-1982 Ores and concentrates. Lead concentrates. Methods of chemical analysis. Determination of copper content
JUS B.G8.450-1983 Ores and concentrates. Copper ores. Spectrophotometric method for determination copper
JUS B.G8.305-1988 Ores and concentrates. Chromium ores and concentrates. Determination of silicon content. Spectrometric and gravimetric mcthods
JUS B.G8.475-1983 Ores and concentrates. Copper concentrate. Methods of chemical analysis. Bromatometric method for determination arsen ic
JUS B.G8.403-1982 Ores and concentrates. Lead concentrates. Methods for hemical analysis. Determination silver and gold content
JUS B.G8.519-1990 Aluminium ores. Deteraination of iron content. Titrimetrdc method
JUS B.G8.112-1977 Methods of chemical analysis of iron ores. Determination of phosphorus content
JUS B.G8.405-1984 Oras and concentrates. Lead concentrate. Determination of $ntimony content. Colorimetric method
JUS B.G8.106-1977 Methods ofchemical anatysis of iron ores. Determination of total iron content
JUS B.G8.472-1983 Ores and concentrates. Copper concentrate. Gravimetric method for determination sulphur

KR-KS, Determination method of ore lithium

KS E 3006-2018(2023) Methods for determination of zinc in ores

RO-ASRO, Determination method of ore lithium

STAS SR 13155-11/C1-1997 Ores and rare earth concentrates Method for determlnatlon of manganese content
STAS SR 13155-11-1997 Ores and rare earths concentrates Method for determination of manganese content
STAS SR 13155-12-1997 Ores and rare earths concentrates Method for determination of uranium content
STAS SR 13155-13-1997 Ores and rare earths concentrates Method for determination of calcination loss
STAS SR 13155-9-1997 Ores: and rare earths concentrates Method for determination of total iron content
STAS SR 13155-10-1997 Ores and rare earths concentrates Method for determination of calciun oxid content

IN-BIS, Determination method of ore lithium

VN-TCVN, Determination method of ore lithium

TCVN 3638-1981 Tin ores.Method for determination of tin content
TCVN 3642-1981 Tin ores.Mehtod for the determination of arsenic content
TCVN 3643-1981 Tin ores.Method for the determination of bismuth content
TCVN 3644-1981 Tin ores.Method for the determination of stibium content
TCVN 3645-1981 Tin ores.Method for the determination of lead content
TCVN 3637-1981 Tin ores.Method for determination of moisture content
TCVN 3646-1981 Tin ores.Method for the determination of total iron content
TCVN 3639-1981 Tin ores.Method for the determination of aluminium oxide content
TCVN 3640-1981 Tin ores.Method for the determination of tungsten oxide content
TCVN 3647-1981 Tin ores.Method for the determination of copper and zinc contents
TCVN 3641-1981 Tin ores.Method for the determination of silicon dioxide content
TCVN 3719-1982 Tin ores.Method for the determination of titanium dioxide content
TCVN 3720-1982 Tin ores.Determination of zirconium dioxide content

British Standards Institution (BSI), Determination method of ore lithium

BS 6147:1989 Methods for determination of bulk density of iron ores
BS 7020-8.1:1989 Analysis of iron ores. Methods for the determination of aluminium content. Titrimetric method
BS 6870-2.5:1987 Analysis of aluminium ores. Chemical methods. Method for determination of iron content: titrimetric method
BS 7020-8.1:1988 Analysis of iron ores. Methods for the determination of aluminium content. Titrimetric method
BS 6599:1985 Method for determination of crushing strength of iron ore pellets
BS 6870-2.6:1987 Analysis of aluminium ores. Chemical methods. Method for determination of aluminium content: EDTA titrimetric method
BS 7020-3:1988 Analysis of iron ores. Method for the determination of combined water content
BS 7020-7.2:1988 Analysis of iron ores. Methods for the determination of sulphur content. Combustion method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Determination method of ore lithium

GB/T 13241-2017 Iron ores—Determination of reducibility

工业和信息化部, Determination method of ore lithium

YS/T 575.28-2021 Methods of chemical analysis of bauxite ores Part 28: Determination of lithium oxide content Flame atomic absorption spectrometry
JC/T 2572-2020 Test method for fixed carbon content of graphite ore

TR-TSE, Determination method of ore lithium

TS 589-1968 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF COBALT
TS 424-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF ARSENIC
TS 588-1968 METHODvS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETEKMINATION OF NICKEL
TS 403-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF SULPHUR
TS 427-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF COPPER
TS 404-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF PHOSPHORUS
TS 405-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF LEAD
TS 425-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF ALUMINIUM OXIDE
TS 577-1968 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF TITANIUM CONTENT
TS 569-1967 METHODS OF CHEMICAL ANALYSIS OF MANGANESEORES DETERMINATION OF VANADIUM CONTENT
TS 598-1968 METHODS OF CHEMICAL ANALYSIS OF MANGANESE OBES DETERMINATION OF SILICON DIOXIDE
TS 600-1968 METHODiS OF CHEMICAL ANALYSIS OF MANGANESE OBES DETERMINAT?ON OF ZING CONTENT
TS 590-1968 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETE?RMINATION OF COMBINED WATER CONTENT
TS 683-1969 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF CHROMIUM CONTEN?
TS 586-1968 METHOnS OF CHEMICAL ANALYSIS OF MA?VGANESE ORES DETERMINATION OF HYGROSCOPIC MOIST?RE
TS 426-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF TOTAL MANGANESE CONTENT

CZ-CSN, Determination method of ore lithium

CSN 44 1821-1983 Iron ores, aglomerates and pellets. Methods for determination of reducibility
CSN 44 1741-1988 Copper ores and concentrates. Bismuth determination
CSN 44 1743-1988 Copper ores and concentrates. Nickel determination
CSN 44 1788-1984 Iron ores, aglomerates and pellets. Method of determination of reduction strenght
CSN 44 1751-1988 Copper ores and concentrates. Iron determination
CSN 44 1825-1981 Iron ore pellets. Method of determination of crushing strength
CSN 65 4940-1981 Concentrates of phosphorite and apatite. Testing methods
CSN 44 1817-1983 Iron ores and concentrates. Method for determination of mnineralogical type
CSN 44 1824-1980 Iron ores, aglomerates and pellets. Method for determination of strenght in rotating drum
CSN 44 1790-1985 Iron ores, concentratetes, aglomerates and pellets. Titrimetric determination of metallic iron
CSN 44 1802-1976 Iron ores coucentrates, aglomerates and pellets. Determination of total iron by titrimetric method
CSN 44 1744-1988 Copper ores and concentrates. Manganese determination
CSN 44 1849-1985 Manganese ores, concentrates and aglomerates. Determination of nickel. Photometric and atomic absorption methods

Indonesia Standards, Determination method of ore lithium

SNI 13-6170-1999 Test method for the reducibility of iron ores

Professional Standard - Ferrous Metallurgy, Determination method of ore lithium

YB/T 4382-2014 Determination of free water in iron ores

International Organization for Standardization (ISO), Determination method of ore lithium

ISO/R 317:1963 Methods of chemical analysis of manganese ores — Determination of arsenic
ISO/R 321:1963 Methods of chemical analysis of manganese ores — Determination of phosphorus
ISO/R 323:1963 Methods of chemical analysis of manganese ores — Determination of lead
ISO/R 322:1978 Methods of chemical analysis of manganese ores — Determination of copper
ISO/R 315:1963 Methods of chemical analysis of manganese ores — Determination of nickel
ISO/R 550:1966 Methods of chemical analysis of manganese ores — Determination of titanium content
ISO/R 318:1963 Methods of chemical analysis of manganese ores — Determination of aluminium oxide

Heilongjiang Provincial Standard of the People's Republic of China, Determination method of ore lithium

DB23/T 2422-2019 Method for Determination of Fixed Carbon in Raw Graphite Ore Containing Carbonate

Henan Provincial Standard of the People's Republic of China, Determination method of ore lithium

DB41/T 1438-2017 Titration method for the determination of the total amount of iron ore hematite and limonite

国家市场监督管理总局、中国国家标准化管理委员会, Determination method of ore lithium

GB/T 14352.19-2021 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 19：Determination of bismuth，cadmium，cobalt，copper，iron，lithium，nickel，phosphorus，lead，strontium，vanadium and zinc content—Inductive-coupled plasma atomic emission spectrophotometry（I
GB/T 14353.20-2019 Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 20 : Determination of rhenium content—Inductively coupled plasma mass spectroscopy

American Society for Testing and Materials (ASTM), Determination method of ore lithium

ASTM E945-96 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
ASTM E945-02a Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
ASTM E945-02 Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by Complexometric Tritrimetry
ASTM E247-01(2005) Standard Test Method for Determination of Silica in Manganese Ores, Iron Ores, and Related Materials by Gravimetry
ASTM E247-01 Standard Test Method for Determination of Silica in Manganese Ores, Iron Ores, and Related Materials by Gravimetry
ASTM E247-96 Standard Test Method for Determination of Silica in Manganese Ores, Iron Ores, and Related Materials by Gravimetry

AENOR, Determination method of ore lithium

UNE 7353:1975 DETERMINATION OF POTASSIUM CONTENT IN IRON ORES, SLAGS AND LIMESTONES BY ATOMIC ABSORPTION METHOD.