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diphenylhydrazine spectrophotometry

diphenylhydrazine spectrophotometry, Total:227 items.

In the international standard classification, diphenylhydrazine spectrophotometry involves: Water quality, Jewellery, Vocabularies, Wastes, Ferroalloys, Non-metalliferous minerals, Metalliferous minerals, Non-ferrous metals, Iron and steel products, Ferrous metals, Electrical accessories, Environmental protection, Inorganic chemicals, Electronic components in general, Air quality, Products of the chemical industry, Analytical chemistry, Organic chemicals, Food products in general, Paints and varnishes, Photography, Glass, Ceramics, Optics and optical measurements, Measurement of fluid flow, General methods of tests and analysis for food products, Paint ingredients, Fertilizers, Power stations in general, Geology. Meteorology. Hydrology.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, diphenylhydrazine spectrophotometry

GB/T 7467-1987 Water quality--Determination of chromium(6)--1.5 Diphenylcarbahydrazide spectrophotometric method
GB/T 28019-2011 Adornment.Determination of Chromium (Ⅵ).1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 15555.5-1995 Solid waste--Determination of total chromium--1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 15555.4-1995 Solid waste--Determination of chromium(VI)--1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 15507-1995 Water quality--Determination of hydrazine--p-Dime-tylaminobenzaldehyde spectrophotometric method
GB/T 8639.2-1988 Vanadium--Determination of chromium content--Diphenylcarbazide spectrophotometric method
GB/T 4324.21-1984 Methods for chemical analysis of tungsten--The diphenylcarbazide photometric method for the determination of chromium content
GB/T 4325.21-1984 Methods for chemical analysis of molybdenum--The diphenylcarbazide photometric method for the determination of chromium content
GB/T 4333.6-1988 Methods for chemical analysis of ferrosilicon--The diphenylcarbazide photometric method for the determination of chromium content
GB 6730.30-1985 Methods for chemical analysis of iron ores--The diphenyl carbazide photometric method for the determination of chromium content
GB/T 6730.30-1986 Methods for chemical analysis of iron ores--The diphenyl carbazide photometric method for the determination of chromium content
GB/T 14375-1993 Water quality. Determination of monomethyl hydrazine. p-Dimethylaminobenzaldegyde spectrophotometric method
GB/T 6609.8-1986 Methods for chemical analysis of aluminium oxide--The diphenyl carbazide photometric method for the determination of chromium sesquioxide content
GB/T 4325.19-2013 Methods for chemical analysis of molybdenum.Part 19:Determination of chromium content.Diphenylcarbazide spectrophotometry
GB/T 13747.4-1992 Zirconium and zirconium alloys--Determination of chromium content-Diphenylcarbazide spectrophotometric method
GB/T 23943-2009 Inorganic chemicals for industrial use.General method for the determination of chromium(Ⅵ)content.1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 14849.11-2016 Methods for chemical analysis of industrial silicon - Part 11: Determination of chromium content - Diphenylcarbazide spectrophotometric method
GB/T 4102.10-1983 Methods for chemical analysis of high-titanium slag and rutile--The diphenylcarbazide photometric method for the determination of chromium sesquioxide content
GB/T 6987.30-2001 Aluminium and aluminium alloys--Determination of chromlum content--Diphenyicarbazide spectrophotometry mehtod after extraction
GB/T 223.12-1991 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
GB/T 16019-1995 Workplace air--Determination of chromium trioxide, chromates and dichromates--Diphenylcarbazide spectrophotometric method
GB/T 31931-2015 Zinc or zinc alloy coating on steel sheets or strips.Determination of hexavalent chromium content.1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method
GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina Determination of chromium sesquioxide content-Diphenyl carbazide photometric method
GB/T 14376-1993 Water quality. Determination of asymmetrical dimethyl hydrazine. Amino ferrocyanide sodium spectrophotometric method
GB/T 6987.2-2001 Aluminium and aluminium alloys--Determination of copper content--Oxalyldihydrazide spectrophotometric method
GB/T 5009.86-2003 Determination of total ascorbic acid in fruits,vegetables and derived products-Flourometric method and colorimetric method
GB/T 12392-1990 Method for determination of total ascorbic acid in fruits,vegetables and derived products--Fluorometric method and colorimetric method
GB/T 13747.4-2020 Methods for chemical analysis of zirconium and zirconium alloys－Part 4：Determination of chromium content—Diphenylcarbazide spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 6020-1999 Butadiene for industrial use-Determination of tert-butyl-catechol(TBC)(4-(1,1-dimethylethyl)-1,2-benzenediol)-Spectrometric method
GB/T 4325.3-1984 Methods for chemical analysis of molybdenum--The polyethylene glycol octyl phenyl ether-phenyl fluorine photometric method for the determination of tin content
GB/T 4324.3-1984 Methods for chemical analysis of tungsten--The polyethylene glycol octyl phenyl ether-phenylfluorone photometric method for the determination of tin content
GB/T 4375.9-1984 Methods for chemical analysis of gallium--The phenylfluorone-polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content
GB/T 11198.11-1989 Sulphuric acid for industrial use--Determination of oxides of nitrogen-2.4-xylenol spectrophotometric method
GB/T 4375.4-1984 Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
GB/T 16115-1995 Workplace air--Determination of chlorodinitrobenzene--N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
GB/T 11898-1989 Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine
GB 11898-1989 Determination of free chlorine and total chlorine in water quality N,N-diethyl-1,4-phenylenediamine spectrophotometric method
GB/T 4375.1-1984 Methods for chemical analysis of gallium--The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content
GB/T 15502-1995 Air quality--Determination of aniline--N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method
GB/T 3257.12-1999 Methods for chemical analysis of bauxite--Determination of vanadium pentoxide content--N-benzoyl-N-phenythyroxylamine photometric method
GB/T 12688.8-1998 Styrene for industrial use--Determination of content of inhibitor (p-tert-butylcatechol)--Spectrophotometric method
GB/T 1832-1979 Determination of magnesium oxide content in tin concentrates--Xylidyl blue 2 photometric method
GB/T 16100-1995 Workplace air--Determination of aniline--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 13748.3-1992 Magnesium and its alloys--Determination of zirconium content--Xylenol orange spectrophotometric method
GB/T 6609.18-1986 Methods for the chemical analysis of aluminium oxide--The N,N-dimethyl-P-phenylenediamine photometric method for the determination of sulfate content
GB/T 6609.10-1986 Methods for the chemical analysis of aluminium oxide--The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadic oxide content
GB/T 16102-1995 Workplace air--Determination of nitrobenzene--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 12687.5-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of chrome content-sys--Diphenyl carbazide spectrophotometric method
GB/T 13748.2-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of tin content.Pyrocatechol violet spectrophotometric method
GB/T 13748.7-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of zirconium content.Xylenol orange spectrophotometric method
GB/T 12688.8-2011 Test method of styrene for industrial use—Part 8:Determination of content of inhibitor(p-tert-butylcatechol)—Spectrophotometric method
GB/T 4102.11-1983 Methods for chemical analysis of high-titanium slag and rutile--The benzoyl phenylhydroxylamine extraction photometric method for the determination of vanadium pentoxide content
GB/T 4325.13-1984 Method for chemical analysis of molybdenum--The glyoxal bis(2-hydroxyanil)photometric method for the determination of calcium content
GB/T 4324.13-1984 Methods for chemical analysis of tungsten--The glyoxal bis(2-hydroxyanil)photometric method for the determination of calcium content
GB/T 16025-1995 Workplace air--Determination of sulfur dioxide--Pararosaniline hydrochloride spectrophotometric method
GB/T 16114-1995 Workplace air--Determination of chloronitrobenzene--N-(1-naphthyl-ethylenediamine dihydrochloride spectrophotometric method
GB/T 15262-1994 Ambient air-Determination of sulfur dioxide-Formaldehyde absorbing-pararosaniline spectrophotometry
GB/T 11889-1989 Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethylenediamine
GB/T 4375.2-1984 Methods for chemical analysis of gallium--The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
GB 9758.5-1988 Paints and varnishes - Determination of "soluble" metal content - Part 5: Determination of hexavalent chromium content in the pigment part of liquid paints or in powder paints by diphenylcarbazide spectrophotometric method
GB/T 9758.5-1988 Paints and varnishes--Determination of "soluble" metal content--Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form--Diphenylcarbazide spectro
GB/T 30921.4-2016 Test method of purified terephthalic acid (PTA) for industrial use.Part 4: Determination of titanium content.Diantipyrylmethane photometric method
GB/T 6609.18-2004 Chemical analysis methods and determination of physical performance of alumina Determination of sulfate content-N,N-dimethyI-P-phenylenediamine spectrophotometric method
GB/T 15501-1995 Air quality--Determination of nitrobenzene (mononitro-and dinitro-compound)--Reduction by zine-N-(1-Naphthyl)ethylene diamine dihydrochloride spectrophotometric method
GB/T 16105-1995 Workplace air--Determination of vanadium pentoxide--N-cinnamoyl-o-tolyl-hydroxylamine spectrophotometric method
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

中华人民共和国环境保护部, diphenylhydrazine spectrophotometry

GB 7467-1987 Water quality-Determination of chromiun(Ⅵ)-1,5 Dtphenylcarbohydrazide spectrophotometric method
GB 11889-1989 Water quality-Determination of auiline compounds-Spectrophotometric method with N-(1-naphthyl)echylenediamine

Professional Standard - Environmental Protection, diphenylhydrazine spectrophotometry

HJ 674-2013 Water quality.Determination of hydrazine and monomethyl hydrazine by p-Dimethylaminobenzaldehyde spectrophotometric method
HJ 908-2017 Water quality—Determination of chromium(VI)—Flow injection analysis(FIA) and diphenylcarbazide spectrometric method
HJ/T 29-1999 Stationary source emission-Determination of chromate fog.Diphenyl carbazide spectrophotometric method
HJ 811-2016 Water quality―Determination of total selenium―3,3′-Diaminobenzidine spectrophotometric method
HJ 586-2010 Water quality.Determination of free chlorine and total chlorine.Spectrophotonetric method using N,N-diethyl-1,4-phenylenediamine
HJ 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 482-2009 Ambient air.Determination of sulfur dioxide.Formaldehyde absorbing.pararosaniline spectrophotometry
HJ 483-2009 Ambient air.Determination of sulfur dioxide.Tetrachloromercurate(TCM)-paraosaniline method

Professional Standard - Urban Construction, diphenylhydrazine spectrophotometry

CJ/T 70-1999 Municipal sewage.Determination of total chromium.1.5 diphenylcarbohydrazide spectrophotometric method
CJ/T 71-1999 Municipal sewage.Determination of total chromium(Ⅵ).1.5 diphenylcarbohydrazide spectrophotometric method
CJ 26.21-1991 Water quality inspection method of urban sewage standard Determination of hexavalent chromium diphenylcarbazide spectrophotometric method

国家市场监督管理总局、中国国家标准化管理委员会, diphenylhydrazine spectrophotometry

GB/T 4333.6-2019 Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method
GB/T 38216.1-2019 Steel slag—Determination content of chromic oxide—Diphenyl carbazide spectrophotometry method

Korean Agency for Technology and Standards (KATS), diphenylhydrazine spectrophotometry

KS I ISO 11083-2008(2018) Water quality－Determination of chromium(VI)－Spectrometric method using 1,5-diphenylcarbazide
KS I ISO 11083:2008 Water quality－Determination of chromium(VI)－Spectrometric method using 1,5-diphenylcarbazide
KS D ISO 3978-2002(2012) Aluminum and aluminum alloys－Determination of chromium－Spectrophotometric method using diphenylcarbazide, after extraction
KS E ISO 619:2021 Manganese ores — Determination of chromium content —Diphenylcarbazide photometric method and silver persulphate titrimetric method
KS D ISO 3978:2002 Aluminum and aluminum alloys-Determination of chromium-Spectrophotometric method using diphenylcarbazide, after extraction
KS D ISO 3978:2013 Aluminum and aluminum alloys－Determination of chromium－Spectrophotometric method using diphenylcarbazide, after extraction
KS E ISO 619:2011 Manganese ores－Determination of chromium content－Diphenylcarbazide photometric method and silver persulphate titrimetric method
KS E ISO 619-2011(2016) Manganese ores－Determination of chromium content－Diphenylcarbazide photometric method and silver persulphate titrimetric method
KS I ISO 16740-2007(2017) Workplace air－Determination of hexavalent chromium in airborne particulate matter－Method by ion chromatography and spectrophotometric measurement using diphenyl carbazide
KS D ISO 794:2002 Magnesium and magnesium alloys-Determination of copper content-Oxalyldihydrazide photometric method
KS D ISO 795:2012 Aluminium and aluminium alloys－Determination of copper content －Oxalyldihydrazide photometric method
KS D ISO 795-2012(2017) Aluminium and aluminium alloys－Determination of copper content －Oxalyldihydrazide photometric method
KS D ISO 794-2002(2017) Magnesium and magnesium alloys－Determination of copper content－Oxalyldihydrazide photometric method
KS I ISO 10566-2008(2018) Water quality－Determination of aluminium－Spectrometric method using pyrocatechol violet
KS M 1939-2002(2007) Butadiene for industrial use－Determination of tert-butyl-catechol(TBC)[4-(1,1-dimethylethyl)-1,2 benzenediol]－Spectrometric method
KS I ISO 10566:2008 Water quality－Determination of aluminium－Spectrometric method using pyrocatechol violet
KS M 1989-2002(2012) Phthalic and adipic for industrial use－Determination of free alcohols content－Spectrometric method
KS D ISO 793-2002(2022) Aluminium and aluminium alloys－Determination of iron－Orthophenanthroline photometric method
KS M ISO 3856-5:2007 Paints and varnishes－Determination of “soluble” metal content－Part 5：Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form－Diphenylcarbazide spectrophotometric method
KS M 1916-2002(2007) Phthalic anhydride for industrial use－Methods of test－Determination of iron content－2,2′-bipyridyl photometric method

Professional Standard - Geology, diphenylhydrazine spectrophotometry

DZ/T 0064.17-1993 Determination of Chromium by Spectrophotometry with Diphenylcarbazide
DZ/T 0064.17-2021 Analytical methods of groundwater quality - Part 17: Determination of total chromium and hexavalent chromium by diphenylcarbazide spectrophotometric 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, diphenylhydrazine spectrophotometry

GB/T 6730.30-2017 Iron ores—Determination of chromium content—Diphenyl carbazide spectrophotometric method
GB/T 33399-2016 Optical functional films—Polyethylene terephthalate(PET) film—Determination of thickness
GB/T 6730.37-2017 Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
GB/T 6730.34-2017 Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 13747.1-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 1：Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry

工业和信息化部, diphenylhydrazine spectrophotometry

YB/T 4582.2-2017 Determination of ferrochromium content in silicon nitride diphenylcarbazide spectrophotometric method
YS/T 540.2-2018 Methods for chemical analysis of vanadium Part 2: Determination of chromium amount diphenylcarbazide spectrophotometric method
YS/T 445.12-2019 Methods for chemical analysis of silver concentrates Part 12: Determination of chromium content diphenylcarbazide photometric method

International Organization for Standardization (ISO), diphenylhydrazine spectrophotometry

ISO/R 2298:1972 Alluminium and its alloys — Determination of chromium — Spectrophotometric method using diphenylcarbazide
ISO 4936:1984 Steel and cast iron — Determination of chromium content — Diphenylcarbazide spectrophotometric method
ISO 11083:1994 Water quality - Determination of chromium(VI) - Spectrometric method using 1,5-diphenylcarbazide
ISO 3978:1976 Aluminium and aluminium alloys; Determination of chromium; Spectrophotometric method using diphenylcarbazide, after extraction
ISO 619:1981 Manganese ores; Determination of chromium content; Diphenylcarbazide photometric method and silver persulphate titrimetric method
ISO 3119:1976 Boric acid, boric oxide and disodium tetraborates for industrial use; Determination of chromium content; Diphenylcarbazide photometric method
ISO 794:1976 Magnesium and magnesium alloys; Determination of copper content; Oxalyldihydrazide photometric method
ISO 795:1976 Aluminium and aluminium alloys; Determination of copper content; Oxalyldihydrazide photometric method
ISO 10566:1994 Water quality - Determination of aluminium - Spectrometric method using pyrocatechol violet
ISO 3856-5:1980 Paints and varnishes — Determination of "soluble" metal content — Part 5: Determination of hexavalent chromium content of the pigment and extender portion of the paint — Diphenylcarbazide spectrophoto
ISO 7760:2001 Photography - Processing waste - Determination of hydroquinone
ISO 7760:1986 Photographic processing waste; Determination of hydroquinone content; Spectrophotometric method
ISO 3856-5:1984 Paints and varnishes; Determination of "soluble" metal content; Part 5 : Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form; Diphenylcarbazide spectrophotometric method
ISO 2363:1972 Sulphuric acid and oleums for industrial use; Determination of oxides of nitrogen; 2,4- Xylenol spectrophotometric method
ISO 3709:1976 Phosphoric acid for industrial use (including foodstuffs); Determination of oxides of nitrogen content; 3,4- Xylenol spectrophotometric method

CZ-CSN, diphenylhydrazine spectrophotometry

CSN ISO 3978:1992 Aluminium and aluminium alloys - Determination of chromium - Spectrophotometric method using diphenylcarbazide, after extraction
CSN ISO 795:1992 Aluminium and aluminium alloys - Determination of copper content - Oxalyldihydrazide photometric method

Professional Standard - Non-ferrous Metal, diphenylhydrazine spectrophotometry

YS/T 540.2-2006 Vanadium Chemical Analysis Method Diphenylcarbohydrazide Spectrophotometric Determination of Chromium
YS/T 514.10-2006 High titanium slag, rutile chemical analysis method diphenyl carbohydrazide spectrophotometric determination of chromium trioxide content
YS/T 520.9-2006 Gallium Chemical Analysis Method Phenylfluorone-Polyethylene Glycol Octyl Phenyl Ether Spectrophotometric Determination of Germanium
YS/T 520.4-2006 Gallium Chemical Analysis Method 4,7-Diphenyl-1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 520.1-2006 Gallium chemical analysis method 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrene-diazepine spectrophotometric determination of copper content
YS/T 575.12-2006 Method for chemical analysis of bauxite ore- Benzoyl phenylene spectrophotometric method for the determination of vanadium pentoxide
YS/T 248.2-1985 Crude lead chemical analysis method Catechol violet photometric method Determination of tin content
YS/T 520.4-2007 Chemical analysis of gallium.Part 4: Determination of iron content.The 4,7-diphenyl-1,10-phenanthroline spectrophotometric method
YS/T 520.1-2007 Chemical analysis of gallium.Part 1:Determination of copper content.The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline spectrophotometric method
YS/T 520.9-2007 Chemical analysis of gallium.Part 9:Determination of germanium content.The phenylfluorone-polyethylene glycol octyl phenyl ether extraction spectrophotometric method
YS/T 514.11-2006 High titanium slag, rutile chemical analysis method Benzoyl benzene ketone extraction photometric method Determination of vanadium pentoxide content
YS/T 226.6-2009 Methods for chemical analysis of selenium.Part 6:Determination of sulfur content.Diphenylcarbazide spectrophotometry
YS/T 520.2-2006 Gallium Chemical Analysis Method 4-(2-Pyridylazo)-Resorcinol Spectrophotometric Determination of Lead Content
YS/T 575.12-2007 Methods for chemical analysis of bauxite.Part 12:Determination of vanadium pentoxide content.N-benzoy-N-phenythytoxy lamine photometric method

Professional Standard - Aviation, diphenylhydrazine spectrophotometry

HB 5297.7-2001 Titanium Alloy Chemical Analysis Method Diphenylcarbohydrazide Spectrophotometric Determination of Chromium Content
HB 5218.19-1995 Aluminum Alloy Chemical Analysis Method Diphenylcarbazide Spectrophotometric Determination of Chromium Content
HB/Z 5218.19-2004 Methods for chemical analysis of aluminium alloys-Part 19:Determination of chromium content by diphenylcarbazide spectrophotometric method
HB 5422.6-1989 Method for chemical analysis of copper alloys-Luminone-polyethylene glycol octylphenyl ether absorptiometry for determination of tin content

Standard Association of Australia （SAA）, diphenylhydrazine spectrophotometry

AS 2882:1986 Waters - Determination of chromium (VI) (diphenylcarbazide spectrophotometric method)

Professional Standard - Machinery, diphenylhydrazine spectrophotometry

JB/T 9552.4-1999 Methods for chemical analysis of copper-chromium-zirconium alloys.The determination of chromium by diphenel carbalide photometric method
JB/T 6237.7-1992 Determination of Magnesium Content by Xylene Blue II Spectrophotometric Method for Chemical Analysis of Silver Powder Used in Electrical Contacts

RO-ASRO, diphenylhydrazine spectrophotometry

STAS SR ISO 3978:1995 ?luminium and aiuminium alloys. Determination of chromium content. Spectrophotometric method using diphenylcarbazide, after extraction
STAS SR ISO 619:1995 Manganesev ores - Determination of chromium content -Diphenylcarbazide photometric method and silver persulphate titrimetric method
STAS SR ISO 795:1995 Aluminium and aluminium alloys - Determination of copper content -Oxalyldihydrazide photometric method
STAS SR 13252-1995 Water quality Determination of urea content Spectrophotometric method with p-dimethylaminobenzaldehyde

VN-TCVN, diphenylhydrazine spectrophotometry

TCVN 6658-2000 Water quality.Determination of chromium (VI).Spectrometric method using 1,5-diphenylcarbazide
TCVN 5911-1995 Aluminium and aluminium alloys.Determination of copper content.Oxalydihydrazide photometric method
TCVN 6225-1-2012 Water quality Determination of free chlorine and total chlorine.Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine

Indonesia Standards, diphenylhydrazine spectrophotometry

SNI 6989.71-2009
SNI 06-4824-1998 Test methods for free chlorine content in water by visible light spectrophotometers in diethyl phenylendiamine (DPD)

Professional Standard - Commodity Inspection, diphenylhydrazine spectrophotometry

SN/T 2004.3-2005 Determination of Chromium(VI) in electrical and electronic equipment-Part 3:1,5-Diphenylcarbohydrazide spectrophotometric method
SN/T 3794-2014 Determination of colourity of purified terephthalic acid for industrial use.Spectrophtometric method

KR-KS, diphenylhydrazine spectrophotometry

KS E ISO 619-2021 Manganese ores — Determination of chromium content —Diphenylcarbazide photometric method and silver persulphate titrimetric method
KS I ISO 16740-2022 Workplace air Determination of hexavalent chromium in airborne particulate matter Method by ion chromatography and spectrophotometric measurement using diphenyl carbazide
KS M ISO 3856-5-2017 Paints and varnishes－Determination of “soluble” metal content－Part 5：Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form－Diphenylcarbazi

YU-JUS, diphenylhydrazine spectrophotometry

JUS C.A1.268-1978 Methods for chemical analysis oj alummtum and alummwm alloys. bpectrophotometnc aetermination ofchromium (by diphenylcarbazide method after extraction)
JUS H.B8.358-1982 Boric acid, bori? oxide and disodium tetraborates for industrial use. Determination of chromium content Diphenylcarbazidephotometric method
JUS H.Z1.100-1983 Testing of industrial waters. Determination of copper content. Spectrophotometric method with oxal- -dihidrazide
JUS C.A1.252-1980 Methods for chemical analysis of aluminium and aluminium alloys. Photometric determination of copper. Oxalyldihydrazide method
JUS H.B8.636-1981 Sulphuric acid for industrial u se. Determination of oxides of nitrogen. 2,4-xyleno/ spectrophotometric method
JUS C.A1.629-1989 Copper and copper alloys. Determination of selenium content. PbenylenediaBine spectrophotometric method
JUS H.B8.443-1984 Phthaiate and adi pate esters for industrial use. Determination of free alcohols content. Spectrophoto-metric method
JUS H.Z1.104-1983 Testing of industrial vvaters. Determination od chrome content. Spectrophotometric method with diphe- nylthiocarbazone — dithizone
JUS H.B8.910-1997 Determination of total inhibitor content (p-tertiaiy-butylcatechol) of light hydrocarbons - Spectrophotometric method

TR-TSE, diphenylhydrazine spectrophotometry

TS 2894-1977 ALUMINIUM AND ALUMINIUM ALLOYS — DETERMINATION OF CHROMIUM — SPECTROPHOTOMETRIC METHOD USING DIPHENYLCARBAZIDE, AFTER EXTRACTION
TS 2566-1977 BORIC ACID, BORIC OXIDE AND DISODIUM TETRABOBATES POR INDUSTRIAL USE-DETERMINATION OF CHROMIUM CONTENT - DIPHENYLCARBAZIDE PHOTOMETRIC METHOD

ZA-SANS, diphenylhydrazine spectrophotometry

SANS 11083:2005 Water quality - Determination of chromium (VI) - Spectrometric method using 1,5-diphenylcarbazide
SANS 10566:2006 Water quality - Determination of aluminium - Spectrometric method using pyrocatechol violet

Lithuanian Standards Office , diphenylhydrazine spectrophotometry

LST ISO 11083:1998 Water quality. Determination of chromium (VI). Spectrometric method using 1,5-difenylcarbazide
LST ISO 11083:2002 Water quality. Determination of chromium (VI). Spectrometric method using 1,5-diphenylcarbazide (identical ISO 11083:1994)

Japanese Industrial Standards Committee (JISC), diphenylhydrazine spectrophotometry

JIS K 0400-65-20:1998 Water quality -- Determination of chromium(VI) -- Spectrometric method using 1,5-diphenylcarbazide

BE-NBN, diphenylhydrazine spectrophotometry

NBN T 03-354-1981 METHODE PHOTOMETRIQUE A LA DIPHENYLCARBAZIDE

TN-INNORPI, diphenylhydrazine spectrophotometry

NT 70.06-1983

Association Francaise de Normalisation, diphenylhydrazine spectrophotometry

NF A06-328:1987 Steel and cast iron. Determination of chromium content. Diphenylcarbazide spectrophotometric method.
NF ISO 16740:2005 Air des lieux de travail - Détermination du chrome hexavalent dans les particules en suspension dans l'air - Méthode par chromatographie ionique et détection spectrophotométrique avec diphényl carbazide
NF T20-811:1983 Butadiene for industrial use. Determination of tert-butyl-catechol (tbc). 4-(1,1-dimethylethyl)-1,2 benzenediol. Spectrometric method.

American Society for Testing and Materials (ASTM), diphenylhydrazine spectrophotometry

ASTM D6832-13(2018) Standard Test Method for the Determination of Hexavalent Chromium in Workplace Air by Ion Chromatography and Spectrophotometric Measurement Using 1,5-diphenylcarbazide
ASTM D6832-02 Standard Test Method for the Determination of Hexavalent Chromium in Workplace Air by Ion Chromatography and Spectrophotometric Measurement Using 1,5-diphenylcarbazide
ASTM D6832-08 Standard Test Method for the Determination of Hexavalent Chromium in Workplace Air by Ion Chromatography and Spectrophotometric Measurement Using 1,5-diphenylcarbazide
ASTM D6832-13 Standard Test Method for the Determination of Hexavalent Chromium in Workplace Air by Ion Chromatography and Spectrophotometric Measurement Using 1,5-diphenylcarbazide
ASTM D6832-13e1 Standard Test Method for the Determination of Hexavalent Chromium in Workplace Air by Ion Chromatography and Spectrophotometric Measurement Using 1,5-diphenylcarbazide
ASTM D4590-09 Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (alpha-Methylstyrene) by Spectrophotometry
ASTM D4590-13 Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (alpha;ndash;Methylstyrene) by Spectrophotometry
ASTM D1307-56 Method of Test for Phthalic Anhydride Content of Alkyd Resins and Esters Containing Other Dibasic Acids (Spectrophotometric)
ASTM D4590-95A Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (alpha-Methylstyrene) by Spectrophotometry
ASTM D4590-00 Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (alpha-Methylstyrene) by Spectrophotometry
ASTM D4590-06 Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (alpha-Methylstyrene) by Spectrophotometry
ASTM D4590-22 Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (α–Methylstyrene) by Spectrophotometry
ASTM E1938-13(2018) Standard Test Method for Determination of Titanium in Nickel Alloys by Diantipyrylmethane Spectrophotometry

AENOR, diphenylhydrazine spectrophotometry

UNE 38859:2003 Magnesium and magnesium alloys. Determination of copper content. Oxalyldihydrazide photometric method.

Professional Standard - Petrochemical Industry, diphenylhydrazine spectrophotometry

SH/T 1485.4-1995 Determination of tert-butylcatechol content in divinylbenzene for industrial use Spectrophotometric method
SH/T 1612.5-1995 Determination of titanium content in industrial purified terephthalic acid diantipyridine methane spectrophotometric method
SH/T 1612.8-2005 Purified terephthalic acid for industrial use - Determination of partical size distribution - Laser diffraction method
SH/T 1612.3-1995 Determination of metal content in industrial purified terephthalic acid atomic absorption spectrophotometry

Malaysia Standards, diphenylhydrazine spectrophotometry

MS 133 Pt.B9-1999 Methods of test for paints and varnishes:part b9:determination of soluble hexavalent chromium content of the of the paint in powder form - diphenylcarbazide spectrophotometric method

Danish Standards Foundation, diphenylhydrazine spectrophotometry

DS/ISO 16740:2007 Workplace air - Determination of hexavalent chromium in airborne particulate matter - Method by ion chromatography and spectrophotometric measurement using diphenyl carbazide
DS/ISO 3856/5:1982 Paints and varnishes. Determination of "soluble" metal content. Part 5: Determination of hexavalent chromium content of the pigment and extender portion of the paint. Diphenylcarbazide spectrophotometric method

German Institute for Standardization, diphenylhydrazine spectrophotometry

DIN 38405-24:1987-05 German standard methods for the examination of water, waste water and sludge; anions (group D); photometric determination of chromium(VI) using 1,5-diphenylcarbonohydrazide (D 24)
DIN 51086-3:2007-04 Testing of oxidic raw and basic materials for ceramics, glass and glazes - Part 3: Spectrophotometric determination of chrome(VI) with diphenyl carbazide in the presence of chrome(III)
DIN 51086-3:2007 Testing of oxidic raw and basic materials for ceramics, glass and glazes - Part 3: Spectrophotometric determination of chrome(VI) with diphenyl carbazide in the presence of chrome(III)

ES-UNE, diphenylhydrazine spectrophotometry

UNE-ISO 10566:2018 Water quality -- Determination of aluminium -- Spectrometric method using pyrocatechol violet

British Standards Institution (BSI), diphenylhydrazine spectrophotometry

BS 6068-2.47:1995 Water quality. Physical, chemical and biochemical methods. Determination of chromium (VI). Spectrometric method using 1,5-diphenylcarbazide
BS ISO 16740:2005 Workplace air - Determination of hexavalent chromium in airborne particulate matter - Method by ion chromatography and spectrophotometric measurement using diphenyl carbazide
BS 2690-102:1979 Methods of testing water used in industry - Hydrazine: spectrophotometric method (4-dimethylaminobenzaldehyde)

BELST, diphenylhydrazine spectrophotometry

STB 17.13.05-33-2014 Еnvironmental pгоtесtion аnd nature use. Analytic control and monitoring. Water quality. Determination of the concentration of chromium (VI) and total chromium in water photometrically with diphenylcarbazide

PL-PKN, diphenylhydrazine spectrophotometry

PN Z04045-08-1990 Air purity protection -- Tests for aldehydes -- Determination of formaldehyde in presence of hydrogen cyanide in work places by spectrophotometry method in visible spectral region with phenylhydrazine
PN Z04194-02-1988 Air punty protection Tests for phthalic anhydride Determination of phthalic anhydride in work places by spectrophotometric method with hydroxylamine hydrochloride and ferric chloride

Professional Standard - Rare Earth, diphenylhydrazine spectrophotometry

XB/T 601.8-1993 Lanthanum hexaboride chemical analysis method diphenylsemicarbazide spectrophotometric method for determination of chromium content

Shaanxi Provincial Standard of the People's Republic of China, diphenylhydrazine spectrophotometry

DB61/T 561-2013 Determination of vanadium in water quality diantipyrine styryl methane spectrophotometric method

Professional Standard - Hygiene , diphenylhydrazine spectrophotometry

WS/T 168-1999 Workplace air.Determination of diphenyl methane 4,4'-di-iso-cyanate-N-(1-naphthyl) ethylenediamine dihydrochloride spectrophotometric method

Group Standards of the People's Republic of China, diphenylhydrazine spectrophotometry

T/CAIA SH002-2014 Water for drinking determination of fluoride 2-(parasulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid, zirconium salt spectrophotometric method

Professional Standard - Chemical Industry, diphenylhydrazine spectrophotometry

HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocatechol violet
HG/T 3516-1999 Industrial circulating cooling water.Determiantion of nitrate.2,6-Dimethylphenol spectrometric method
HG/T 2023-1991 Determination of free chlorine and total chlorine in industrial circulating cooling water N,N-Diethyl-1,4-Phenylenediamine spectrophotometric method

未注明发布机构, diphenylhydrazine spectrophotometry

BS 2690-102:1979(1999) Methods of testing Water used in industry — Part 102 : Hydrazine : spectrophotometric method (4 - dimethylaminobenzaldehyde)

Professional Standard - Electricity, diphenylhydrazine spectrophotometry

DL/T 502.9-2006 Analytical methods of steam and water in power plants Part 9: Determination of aluminum (Spectrometric method using pyrocatechol violet)

Professional Standard - Ocean, diphenylhydrazine spectrophotometry

HY/T 0347-2022 Determination of seawater trace ammonium—Flow analysis,solid phase extraction and o-phthaldialdehyde fluorescence detection