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Determination principle of total nitrogen in water
Determination principle of total nitrogen in water, Total:80 items.
In the international standard classification, Determination principle of total nitrogen in water involves: Water quality, Milk and milk products, Animal feeding stuffs, General methods of tests and analysis for food products, Edible oils and fats. Oilseeds, Products of the chemical industry, Cereals, pulses and derived products, Inorganic chemicals, Geology. Meteorology. Hydrology.
SE-SIS, Determination principle of total nitrogen in water
- SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
- SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
- SIS SS 02 81 01-1992 Nitrogen content of water — Determination with Kjeldahl method after reduction with Devarda's alloy
American Society for Testing and Materials (ASTM), Determination principle of total nitrogen in water
- ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
- ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
- ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
- ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
- ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
- ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
- ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
- ASTM D4517-04(2009) Standard Test Method for Low-Level Total Silica in High-Purity Water by Flameless Atomic Absorption Spectroscopy
- ASTM D4517-15(2023) Standard Test Method for Low-Level Total Silica in High-Purity Water by Flameless Atomic Absorption Spectroscopy
- ASTM D4517-85(1999) Standard Test Method for Low-Level Total Silica in High-Purity Water by Flameless Atomic Absorption Spectroscopy
Standard Association of Australia （SAA）, Determination principle of total nitrogen in water
- AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
- AS 2300.1.2.2:2008 Methods of chemical and physical testing for the
dairying industry
Method 1.2.2: General methods and principles-
Determination of nitrogen—Nitrogen fractions
from milk
- AS 2300.1.1:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of total solids and moisture
- AS 2300.1.1:2008
- AS 2300.1.7:1990 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of extraneous matter in dairy products
Yunnan Provincial Standard of the People's Republic of China, Determination principle of total nitrogen in water
- DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration
CZ-CSN, Determination principle of total nitrogen in water
PL-PKN, Determination principle of total nitrogen in water
- PN C04570-08-1987 Water and waste water Tests for metals by atomie absorption spectrometry Determination of total chromium
- PN C04570-07-1987 Water and waste water Test for metals by atomie absorption Determination of the total chromium in water with preliminary concentration by chelation and extraction
NO-SN, Determination principle of total nitrogen in water
- NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination principle of total nitrogen in water
- GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
- GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
Korean Agency for Technology and Standards (KATS), Determination principle of total nitrogen in water
- KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
- KS M 9102-1996 Water quality-Determination of total mercury by flameless atomic absorption spectrometry(Method after pretreatment with ultraviolet radiation)
- KS M 9102-1996(2001) WATER QUALITY-DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY(METHOD AFTER PRETREATMENT WITH ULTRAVIOLET RADITION)
European Committee for Standardization (CEN), Determination principle of total nitrogen in water
- EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
- EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
- prEN 25666-2-1992 Water quality; determination of total mercury by flameless atomic absorption spectrometry; part 2: method after pretreatment with ultraviolet radiation (ISO 5666-2:1983)
- CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
- EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals@ pulses and milled cereal products
International Organization for Standardization (ISO), Determination principle of total nitrogen in water
- ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
- ISO 23697-2:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
- ISO 23697-1:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
- ISO 5666-2:1983 Water quality; Determination of total mercury by flameless atomic absorption spectrometry; Part 2: Method after pretreatment with ultraviolet radiation
- ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
ZA-SANS, Determination principle of total nitrogen in water
- SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
British Standards Institution (BSI), Determination principle of total nitrogen in water
- BS ISO 23697-2:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Chromotropic acid colour reaction
- BS ISO 23697-1:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Dimethylphenol colour reaction
- 21/30426878 DC BS ISO 23697-2. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 2. Chromotropic acid based method
- 21/30426875 DC BS ISO 23697-1. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 1. Dimethylphenol based method
- BS EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by
combustion according to the Dumas principle and calculation of
the crude protein content - Part 1: Oilseeds and animal feeding
stuffs
- BS DD CEN ISO/TS 16634-2:2010 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Cereals, pulses and milled cereal products
- BS EN ISO 16634-2:2016 Tracked Changes. Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Cereals, pulses and milled cereal products
RO-ASRO, Determination principle of total nitrogen in water
- STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination
Professional Standard - Agriculture, Determination principle of total nitrogen in water
- 82药典 四部-2020 0600 Determination of physical constants 0682 Determination of total organic carbon in pharmaceutical water
- 101药典 四部-2015 0600 Determination of physical constants 0682 Determination of total organic carbon in pharmaceutical water
- 水产品质量安全检验手册 6.15.1.2-2005 Chapter 6 Inspection of Elements in Aquatic Products Section 15 Determination of Total Mercury and Organic Mercury in Aquatic Products (GBT 5009.17-2003) 1. Determination of Total Mercury (2) Cold Atomic Absorption Spectrometry
- 水产品质量安全检验手册 6.15.1.1-2005 Chapter 6 Inspection of Elements in Aquatic Products Section 15 Determination of Total Mercury and Organic Mercury in Aquatic Products (GBT 5009.17-2003) 1. Determination of Total Mercury (1) Atomic Fluorescence Spectrometry
- 水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
- 水产品质量安全检验手册 6.14.1.1-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (1) Hydride atomic fluorescence spectrometry
- 水产品质量安全检验手册 6.14.1.4-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (4) Borohydride reduction colorimetric method
- 水产品质量安全检验手册 6.14.2.1-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 2. Determination of inorganic arsenic (1) Hydride atomic fluorescence spectrometry
- 水产品质量安全检验手册 2.11.2.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) II. Colorimetry
- 水产品质量安全检验手册 6.15.2.2-2005 Chapter 6 Inspection of elements in aquatic products Section 15 Determination of total mercury and organic mercury in aquatic products (GBT 5009.17-2003) 2. Determination of methylmercury (2) Cold atomic absorption method (acid extraction of mercapto cott
- 水产品质量安全检验手册 2.15.2.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 15 Determination of Total Acids in Aquatic Products (GBT 12456-1990) 2. Potentiometric Titration
- 水产品质量安全检验手册 2.11.1.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) 1. Formaldehyde value method
- 水产品质量安全检验手册 2.17.2.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Basic Nitrogen in Aquatic Products (GBT 5009.44-2003) 2. Trace Diffusion Method
- 水产品质量安全检验手册 2.15.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 15 Determination of Total Acids in Aquatic Products (GBT 12456-1990) 1. Indicator method
RU-GOST R, Determination principle of total nitrogen in water
- GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid
- GOST R ISO 16634-1-2011 Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Part 1. Oilseeds and animal feeding stuffs
Group Standards of the People's Republic of China, Determination principle of total nitrogen in water
- T/SDAQI 064-2021 Determination of urea content in diesel engines NOx reduction agent - Aqueous urea solution by refractive index
Professional Standard - Ocean, Determination principle of total nitrogen in water
- HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell
Association Francaise de Normalisation, Determination principle of total nitrogen in water
- NF EN ISO 16634-1:2008 Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes - Partie 1 : graines oléagineuses et aliments des animaux
- NF V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
- NF V03-767-2*NF EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2 : cereals, pulses and milled cereal products
Danish Standards Foundation, Determination principle of total nitrogen in water
- DS/EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
- DS/CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
German Institute for Standardization, Determination principle of total nitrogen in water
- DIN EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
- DIN EN ISO 16634-1:2009-07 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); German version EN ISO 16634-1:2008
- DIN EN ISO 16634-2:2016-11 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016); German version EN ISO 16634...
AT-ON, Determination principle of total nitrogen in water
- ONORM ISO 5666 Teil.2:1984 Water quality; determination of total mercury by flameless atomic absorption spectrometry; method after pretreatment with ultraviolett radiation
- ONORM ISO 5666 Teil.1:1984 Water quality; determination of total mercury by flameless atomic absorption spectrometry; method after digestion with permangana te-peroxodisulfa te
Lithuanian Standards Office , Determination principle of total nitrogen in water
- LST EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
AENOR, Determination principle of total nitrogen in water
- UNE-EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
ES-UNE, Determination principle of total nitrogen in water
- UNE-EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016)
Japanese Industrial Standards Committee (JISC), Determination principle of total nitrogen in water
- JIS K 0400-66-20:1998 Water quality -- Determination of total mercury by flameless atomic absorption spectrometry -- Part 2: Method after pretreatment with ultraviolet radiation
KE-KEBS, Determination principle of total nitrogen in water
- KS 08-264-1981 KENYA STANDARD METHODS FOR ESTIMATION OF MOISTURE. TOTAL SIZE OR FINISH, ASH. FATTY MATTER AND DETERMINATION OF WATER-SOLUBLE MATTER IN TEXTILES