total nitrogen

total nitrogen, Total:67 items.

The international standard classification for "total nitrogen" includes: Fertilizers , Chemical reagents , Inorganic chemicals in general , Edible oils and fats. Oilseeds , Animal feeding stuffs , Rubber , Water quality , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "total nitrogen" includes: Soil and fertilizer in general , Basic standards and general methods on chemical fertilizers , Chemical fertilizer and chemical soil conditioner , Chemical reagent in general , Inorganic chemicals in general , Basic standards and general methods , Livestock and poultry feed and additive , Rubber products in general , Water supply and draining instrument and equipment , Analysis methods for toxic substances in water , Tobacco .

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

National Metrological Verification Regulations of the People's Republic of China

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification

Professional Standard - Agriculture

GB 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality

Jilin Provincial Standard of the People's Republic of China

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

Hebei Provincial Standard of the People's Republic of China

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers - Part 1: Total nitrogen content
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 2441.1-2008 Determination of urea - Part 1: Total nitrogen content
GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers--Titrimetric method after distillation
GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
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
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen
GB/T 609-1988 Chemical reagent-General method for the determination of total nitrogen
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

Group Standards of the People's Republic of China

T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method

Professional Standard - Environmental Protection

HJ 667-2013 Water quality-Determination of total nitrogen by continuous flow analysis(CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride
HJ 668-2013 Water quality-Determination of total nitrogen by flow injection analysis（FIA）and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ/T 102-2003 The technical requirement for water quality automatic ananlyzer of total nitrogen
HJ/T 199-2005 Water quality -- Determination of total-nitrogen Gas-phase molecular absorption spectrometry
HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method

Professional Standard - Urban Construction

CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Professional Standard - Commodity Inspection

SN/T 3097-2012 Determination of total nitrogen in fertilizers-Combustion

Professional Standard - Tobacco

YC/T 161-2002 Tobacco and tobacco products - Determination of total nitrogen-Continuous flow method
YC/T 33-1996 Tobacco and tobacco products -- Determination of total nitrogen -- Kendal method

Tianjin Provincial Standard of the People's Republic of China

DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

Henan Provincial Standard of the People's Republic of China

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

HU-MSZT

MNOSZ 448-27.lap-1955 Determination of total nitrogen water
MSZ 318/18-1981 Determination of total nitrogen in sludge test

NL-NEN

NEN 6642-1992 Water-Calculation of total nitrogen content

CZ-CSN

CSN 68 4124-1980 Determination of small mounts of total nitrogen

Association of Official Analytical Chemists (AOAC)

AOAC Official Method 2001.14 Determination of total nitrogen in cheese

PT-IPQ

NP 3646-1987 fertilizer. Measurement of total nitrogen content

GOSTR

GOST R 58596-2019 Soils. Methods for determination of total nitrogen

RU-GOST R

GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen

SCC

DANSK DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
SN-CEN/TS 15478:2006 Fertilizers — Determination of total nitrogen in urea
NS-EN 15478:2009 Fertilizers — Determination of total nitrogen in urea

Association Francaise de Normalisation

NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate

PL-PKN

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen

Indonesia Standards

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat

CEN - European Committee for Standardization

PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea

Danish Standards Foundation

DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea

German Institute for Standardization

DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009