Nitrogen and phosphorus content in water

Nitrogen and phosphorus content in water, Total:55 items.

The international standard classification for "Nitrogen and phosphorus content in water" includes: Fertilizers , Ferroalloys .

The Chinese standard classification for "Nitrogen and phosphorus content in water" includes: Basic standards and general methods on chemical fertilizers , Steel and iron alloy analysis method , Chemical fertilizer and chemical soil conditioner .

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

Yunnan Provincial Standard of the People's Republic of China

DB5301/T 61-2021 Measuring method of nitrogen and phosphorus in algae mud of Dianchi Lake cyanobacteria treatment station
DB5329/T 50-2019 Planting technical specifications for controlling nitrogen and phosphorus in alfalfa

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

GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 24583.5-2019e Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method
GB/T 24583.5-2019(英文版) Determination of phosphorus content in vanadium-nitrogen alloys - Bismuth phosphomolybdenum blue spectrophotometric method
GB/T 24583.5-2009 Vanadium-Nitrogen alloy—Determination of phosphorus content—The bismuth molybdenum blue spectrophotometry method

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 24583.5-2019 Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method

工业和信息化部

YB/T 4566.6-2016 Ferrovanadium nitride. Determination of phosphorus content. Molybdobismuthylphosphoric blue spectrophotometric method
YB/T 4582.3-2017 Ferrosilicon nitride-Determination of phosphorus content-Bismuth phosphomolybdate blue spectrophotometric method

Group Standards of the People's Republic of China

T/CMES 01011-2023 Determination method for content of nitrogen, sulfur and phosphorus in recycled sand for foundry

Guizhou Provincial Standard of the People's Republic of China

DB52/T 1607-2021 Nitrogen, Phosphorus and Potassium Nutrient Limits for Tea Gardens

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

RU-GOST R

GOST 32459-2013 White phosphorus. Determination in water by gas chromatography with nitrogen-phosphorus detector

PL-PKN

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

American Society for Testing and Materials (ASTM)

ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector

RO-ASRO

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
SR 8379-2-1997 Superfosphate - Determination of water-soluble phosphorus pentoxyde content
STAS 8623/2-1970 PHOSPHORITES AND APATITES. Determination of hygroscopic water content
STAS 8623/8-1974 PHOSPHORITES AND APATITES Determination of moisture content at delivery
STAS 7312-1983 SURFACE AND RESIDUAL WATERS Determination of azote content

South African Bureau of Standard

SANS 6055:2006 Water - Orthophosphate content

NL-NEN

NEN 6642-1992 Water-Calculation of total nitrogen content

SCC

SPC GB/T 24583.5-2019 Vanadium-nitrogen -- Determination of phosphorus content -- Bismuth molybdenum blue spectrophotometric method (TEXT OF DOCUMENT IS IN CHINESE)
NS-EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DANSK DS/EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method

European Committee for Standardization (CEN)

EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

British Standards Institution (BSI)

BS EN ISO 10695:2000 Water quality. Determination of selected organic nitrogen and phosphorus compounds. Gas chromatographic methods
BS 4258-10:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of oxides of nitrogen content
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch

Danish Standards Foundation

DS 292:1985 Water analysis. Total phosphor. Photometric method
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS 291:1985 Water analysis. Phosphate. Photometric method

FI-SFS

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

Association Francaise de Normalisation

NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)

Lithuanian Standards Office

LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method

National Sanitation Foundation (NSF)

NSF 245A-2010 Wastewater Treatment Systems - Nitrogen Reduction

German Institute for Standardization

DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007

Spanish Association for Standardization (UNE)

UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method

SE-SIS

SIS 02 81 26-1974 Determination of orthophosphate content of water

GSO

NB/T 11531-2024 Determination of total phosphorus, ammonia nitrogen and permanganate index in coal mine water - Flow injection-spectrophotometry

Malaysia Standards

MS 880 Pt.2-1984 Test methods for phosphoric acid Part 2: Determination of nitrogen oxide content

VN-TCVN

TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content

PT-IPQ

NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

HU-MSZT

MSZ 21976/8-1982 Inspection of solid waste in residential areas, determination of total nitrogen, phosphorus, and calcium content

Indonesia Standards

SNI 7185-2009 Analysis of phosphate content in boiler water