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The principle of rapid determination of total nitrogen

The principle of rapid determination of total nitrogen, Total:125 items.

In the international standard classification, The principle of rapid determination of total nitrogen involves: Farming and forestry, General methods of tests and analysis for food products, Food products in general, Milk and milk products, Soil quality. Pedology, Vocabularies, Crude petroleum, Products of the chemical industry, Air quality, Animal feeding stuffs, Edible oils and fats. Oilseeds, Fertilizers, Wastes, Cereals, pulses and derived products, Veterinary medicine, Refractories, Fuels, Measurement of volume, mass, density, viscosity, Acoustics and acoustic measurements.

Shanxi Provincial Standard of the People's Republic of China, The principle of rapid determination of total nitrogen

DB14/T 926-2014 Rapid Determination Method of Total Arsenic in Soil
DB14/T 1115-2015 Rapid Determination of Total Lead in Soil-Sodium Rose Benate Visual Method

Group Standards of the People's Republic of China, The principle of rapid determination of total nitrogen

T/CITS 0004-2021 Fast determination of total mercury in food—Direct mercury analyzer
T/CGCC 58-2021 Rapid Determination of Total Bacterial Colony Test Sheet Method in Food
T/CQCAA 0004-2020 Determination of Cadmium in Rice by Atomic Fluorescence
T/CIESC 0034-2022 Rapid determination for properties of crude oils by low resolution nuclear magnetic resonance hydrogen spectroscopy
T/GPCIA 0008-2022 NOx reduction agent for diesel engines—Instant quantitative determination of aqueous urea solution (AUS 32) with near-infrared spectrometry
T/GDNB 45-2021 Fast determination of selenium in rice and soils by micro-open graphite digestion - atomic fluorescence spectrometry
T/GDNB 130-2022 Determination of soil arsenic and mercury by micro-open graphitedigestion- atomic fluorescence spectrometry
T/CAIA SH015-2021 Soil—Determination of Cadmium —Solid Sampling Electrothermal Vaporization Atomic Absorption Spectrometry
T/CAIA SH014-2021 Rapid Determination of Cadmium in Grain Direct Solid Sampling Electrothermal Vaporization Atomic Absorption Spectrometry

British Standards Institution (BSI), The principle of rapid determination of total nitrogen

BS ISO 8968-3:2004 Milk - Determination of nitrogen content - Block-digestion method (Semi-micro rapid routine method)
BS EN ISO 8968-3:2004 Milk - Determination of nitrogen content - Block-digestion method (Semi-micro rapid routine method)
BS EN ISO 8968-3:2007 Milk. Determination of nitrogen content. Block-digestion method (Semi-micro rapid routine method)
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl 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 EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
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 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
BS EN 16168:2012 Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
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
23/30446956 DC BS EN ISO 21068-2. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 2. Determination of volatile components, total carbon, free carbon, silicon carbide,…

Association Francaise de Normalisation, The principle of rapid determination of total nitrogen

NF X31-294:2012 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation.
NF V04-221-3*NF EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3 : block-digestion method (semi-micro rapid routine method).
NF EN ISO 8968-3:2007 Lait - Détermination de la teneur en azote - Partie 3 : méthode de minéralisation en bloc (Méthode de routine semi-micro rapide)
NF ISO 8761:1990 Air des lieux de travail - Détermination de la concentration en masse du dioxyde d'azote - Méthode utilisant des tubes détecteurs pour échantillonnage rapide à lecture directe.
NF V04-221-1*NF EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1 : Kjeldahl principle and crude protein calculation
NF EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.
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 EN ISO 14891:2003 Lait et produits laitiers - Détermination de la teneur en azote - Méthode pratique par combustion selon le principe de Dumas
NF U47-012:2001 Animal health analysis method - Detection of specific antibodies of Mycoplasma gallisepticum, Mycoplasma meleagridis or Mycoplasma synoviae in serum by the Rapid Serum Agglutination Test.
NF U47-012:2009 Animal health analysis method - Detection of specific antibodies of Mycoplasma gallisepticum, Mycoplasma meleagridis or Mycoplasma synoviae in serum bu the Rapid Serum Agglutination Test
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 V03-767-2*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

European Committee for Standardization (CEN), The principle of rapid determination of total nitrogen

EN ISO 15685:2020 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation (ISO 15685:2012)
EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method)
EN ISO 8968-3:2007/AC:2012 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) - Technical Corrigendum 1 (ISO 8968-3:2004/Cor 1:2011)
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)
EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
EN ISO 14891:2002 Milk and Milk Products - Determination of Nitrogen Content - Routine Method Using Combustion According to the Dumas Principle
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
EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation

International Organization for Standardization (ISO), The principle of rapid determination of total nitrogen

ISO 15685:2004 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation
ISO 15685:2012 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation
ISO 8968-3:2004|IDF 20-3:2004 Determination of milk nitrogen content Part 3: Block dissolution method (semi-microscopic rapid conventional method)
ISO 8968-3:2004 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method)
ISO 8968-3:2004 | IDF 20-3:2004 Milk — Determination of nitrogen content — Part 3: Block-digestion method (Semi-micro rapid routine method)
ISO 8968-1:2014 | IDF 20-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
ISO 8761:1989 Work-place air; determination of mass concentration of nitrogen dioxide; method using detector tubes for short-term sampling with direct indication
ISO 8968-3:2004/Cor 1:2011 | IDF 20-3:2004/Cor 1:2011 Milk — Determination of nitrogen content — Part 3: Block-digestion method (Semi-micro rapid routine method) — Technical Corrigendum 1
ISO 8968-3:2004/Cor 1:2011 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method); Technical Corrigendum 1
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 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
ISO 14891:2002 | IDF 185:2002 Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle
ISO/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
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/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

Korean Agency for Technology and Standards (KATS), The principle of rapid determination of total nitrogen

KS I ISO 15685:2005 Soil quality－Determination of potential nitrification and inhibition of nitrification－Rapid test by ammonium oxidation
KS I ISO 8761:2008 Work-place air－Determination of mass concentration of nitrogen dioxide－Method using detector tubes for short-term sampling with direct indication
KS A ISO 11929-4:2002 Determination of the detection limit and decision threshold for ionizing radiation measurements-Part 4:Fundamentals and application to measurements by use of linear-scale analogue ratemeters, without the influence of sample treatment
KS A ISO 11929-4:2014 Determination of the detection limit and decision threshold for ionizing radiation measurements－Part 4：Fundamentals and application to measurements by use of linear-scale analogue ratemeters, without the influence of sample treatment
KS A ISO 11929-4-2002(2012) Determination of the detection limit and decision threshold for ionizing radiation measurements－Part 4：Fundamentals and application to measurements by use of linear-scale analogue ratemeters, without
KS M 9102-1996(2001) WATER QUALITY-DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY(METHOD AFTER PRETREATMENT WITH ULTRAVIOLET RADITION)

Anhui Provincial Standard of the People's Republic of China, The principle of rapid determination of total nitrogen

DB34/T 3561-2019 Near-infrared method for rapid determination of conventional indicators of brewing raw materials

海关总署, The principle of rapid determination of total nitrogen

SN/T 5311-2021 Rapid liquid phase extraction method for determination of hydrogen sulfide in crude oil and fuel oil

German Institute for Standardization, The principle of rapid determination of total nitrogen

DIN EN ISO 8968-3:2007-09 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004); German version EN ISO 8968-3:2007
DIN EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004); English version of DIN EN ISO 8968-3:2007-09
DIN EN ISO 8968-1:2014-06 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
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 14891:2002-07 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002); German version EN ISO 14891:2002
DIN EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
DIN 51400-1:1992 Testing of mineral oils and fuels; determination of the sulfur content (total sulfur); general working principles
DIN 51400-1:2009-04 Testing of mineral oils and fuels - Determination of sulfur content (total sulfur) - Part 1: General working principles
DIN EN ISO 21068-2:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
DIN 53014-1:1994 Viscosimetry; capillary viscometers with circular and rectangular cross section for determination of flow curves; principles, concepts, definitions
DIN EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
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...

Professional Standard - Environmental Protection, The principle of rapid determination of total nitrogen

HJ 755-2015 Water quality Determination of total coliforms and fecal coliforms Paper strip method

Standard Association of Australia （SAA）, The principle of rapid determination of total nitrogen

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 ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation
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 2300.1.2.1:1991 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Reference Kjeldahl method
AS 2300.1.1:2008
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

Danish Standards Foundation, The principle of rapid determination of total nitrogen

DS/EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method)
DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DS/EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
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

国家质量监督检验检疫总局, The principle of rapid determination of total nitrogen

SN/T 4589-2016 Improved cadmium reduction analysis method for rapid determination of nitrate in exported vegetables

Professional Standard - Agriculture, The principle of rapid determination of total nitrogen

NY/T 2659-2014 Rapid determination of fat,protein,lactose and total solids in milk.Infrared spectrometry
水和废水监测分析方法 5.2.9-2003 Chapter 5 Biomonitoring Methods of Water and Wastewater Chapter 2 Bacteriological Determination in Water 9. Rapid Determination of Total Coliforms in Water and Fecal Coliforms (C)
水产品质量安全检验手册 9.3.13.2-2005 Chapter Nine Fishing Feed Inspection Section III Fishing Feed Routine Physical and Chemical Testing Methods XIII. Determination of Water Soluble Chloride in Fishing Feed (GBT 6439-1992) (2) Rapid Determination

CZ-CSN, The principle of rapid determination of total nitrogen

CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen

Shandong Provincial Standard of the People's Republic of China, The principle of rapid determination of total nitrogen

DB37/T 4118-2020 Rapid detection method of diesel engine nitrogen oxide reducing agent-urea aqueous solution (AUS 32) by near-infrared spectroscopy

International Dairy Federation (IDF), The principle of rapid determination of total nitrogen

IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
IDF 185-2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, The principle of rapid determination of total nitrogen

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

Lithuanian Standards Office , The principle of rapid determination of total nitrogen

LST EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004)
LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
LST EN ISO 14891:2003 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002)
LST EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)
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, The principle of rapid determination of total nitrogen

UNE-EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004)
UNE-EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)
UNE-EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle. (ISO 14891:2002)
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)

RU-GOST R, The principle of rapid determination of total nitrogen

GOST R 52717-2007 Work-place air. Determination of mass concentration of nitrogen dioxide. Method using detector tubes for short-term sampling with direct indication
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
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
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

ES-AENOR, The principle of rapid determination of total nitrogen

UNE 55-595-1981

ES-UNE, The principle of rapid determination of total nitrogen

UNE-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)
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)

Professional Standard - Railway, The principle of rapid determination of total nitrogen

TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

国家粮食和物资储备局, The principle of rapid determination of total nitrogen

LS/T 6135-2018 Grain and Oil Inspection Rapid Determination of Lead in Grain Dilute Acid Extraction-Graphite Furnace Atomic Absorption Spectrometry
LS/T 6134-2018 Grain and Oil Inspection Rapid Determination of Cadmium in Grain Dilute Acid Extraction-Graphite Furnace Atomic Absorption Spectrometry

BELST, The principle of rapid determination of total nitrogen

STB GOST R 51698-2001 Vodka and ethanol from food raw material. Gas-chromatographic express-method for determination of toxic microadmixtures content

CEN - European Committee for Standardization, The principle of rapid determination of total nitrogen

EN ISO 8968-1:2001 Milk - Determination of Nitrogen Content - Part 1: Kjeldahl Method

AT-ON, The principle of rapid determination of total nitrogen

ONORM ISO 5666 Teil.2:1984 Water quality; determination of total mercury by flameless atomic absorption spectrometry; method after pretreatment with ultraviolett radiation