Nitrogen and phosphorus in waters

Nitrogen and phosphorus in waters, Total:65 items.

The international standard classification for "Nitrogen and phosphorus in waters" includes: Fertilizers , Farming and forestry , Ferroalloys .

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

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 2962-2016 Technical Regulations on Nitrogen Control and Phosphorus Reduction of Rice in Taihu Lake Area
DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus
DB32/T 4262-2022 Technical specifications for increasing the efficiency of chemical fertilizers and reducing nitrogen and phosphorus emissions in rice-wheat rotation crops in the Taihu Lake Basin

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

Professional Standard - Agriculture

NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
NY/T 2017-2011 Determination of nitrogen,phosphorus and potassium in plants

Yunnan Provincial Standard of the People's Republic of China

DB5301/T 49-2021 Indirect discharge limits of nitrogen and phosphorus pollutants from industrial enterprises wastewater
DB5329/T 75-2021 Technical specifications for the construction of nitrogen and phosphorus ecological interception ditches for farmland runoff in the Erhai Lake Basin
DB5304/T 091-2024 Technical regulations for monitoring nitrogen and phosphorus loss from farmland in the dam area of the "Three Lakes" basin in Yuxi

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 3045-2023 Technical guidelines for the prevention and control of agricultural non-point source pollution of nitrogen and phosphorus in water bodies

Professional Standard - Recommended Standards for Engineering Construction

CECS 149-2003 Specification for design of nitrogen and phosphorus removal in activated sludge system

Zhejiang Provincial Standard of the People's Republic of China

DB33/ 887-2013 Indirect discharge limits of nitrogen and phosphorus pollutants from industrial enterprises wastewater

Guizhou Provincial Standard of the People's Republic of China

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

Anhui Provincial Standard of the People's Republic of China

DB34/T 1427-2011 Cultivation Technical Regulations of Rice Nitrogen and Phosphorus Reduction Control in Chaohu Lake Region

Beijing Provincial Standard of the People's Republic of China

DB11/T 749-2010 Environmental Risk Assessment of Farmland Nitrogen and Phosphorus

Tianjin Provincial Standard of the People's Republic of China

DB12/T 955-2020 Determination of Nitrogen and Phosphorus in Dairy Farm Dung Water by Near Infrared Diffuse Reflectance Spectrometry

农业农村部

NY/T 4162.1-2022 Techrucal specification for nitrogen and phosphorus loss control of paddy field-Part 1: Water level control and drainage reduction
NY/T 4163.3-2022 Technical guidelines for integrated prevention and control of rutrogen and phosphorus loss from paddy field-Part 3: Paddy-upland rotation

Fujian Provincial Standard of the People's Republic of China

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

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

GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
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
GB/T 24583.5-2019e Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric 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 4582.3-2017 Ferrosilicon nitride-Determination of phosphorus content-Bismuth phosphomolybdate blue spectrophotometric method
YB/T 4566.6-2016 Ferrovanadium nitride. Determination of phosphorus content. Molybdobismuthylphosphoric blue spectrophotometric method

Professional Standard - Aquaculture

SC/T 9104-2011 Determination of methamidophos and carbofuran in fishery waters by gas chromatography

Hebei Provincial Standard of the People's Republic of China

DB13/T 5402-2021 Technical specification for control of nitrogen and phosphorus leaching loss in farmland

Shaanxi Provincial Standard of the People's Republic of China

DB61/T 1414-2021 Specifications for application limits of nitrogen, phosphorus and potassium fertilizers in wheat

Hubei Provincial Standard of the People's Republic of China

DB4203/T 153-2019 Basic technical rules for controlling nitrogen and phosphorus losses in surface runoff from rice-rapeseed rotation paddy fields

Standard Association of Australia （SAA）

AS 1871.16:1976 List of methods for examination of waters Phoshorous

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
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

RU-GOST R

GOST 32459-2013 White phosphorus. Determination in water by gas chromatography with nitrogen-phosphorus detector
GOST 24596.3-1981 Feed phosphates. Methods for determination of nitrogen
GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen

Indonesia Standards

SNI 2803-2012 Solid nitrogen phosphor potassium fertilizer

RO-ASRO

STAS 11624/1-1983 PHOSPHATING SOLUTIONS Determination of phosphoric acid, azotic acid and sodiimi nitrate

CZ-CSN

CSN 65 4927-1980 Complex fertilizer NPK-2

Japanese Industrial Standards Committee (JISC)

JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus

International Organization for Standardization (ISO)

ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods

KR-KS

KS I ISO 10695-2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods

GSO

OS GSO ISO 10695:2015 Water quality -- Determination of selected organic nitrogen and phosphorus compounds -- Gas chromatographic methods
GSO ISO 10695:2015 Water quality -- Determination of selected organic nitrogen and phosphorus compounds -- Gas chromatographic methods
BH GSO ISO 10695:2016 Water quality -- Determination of selected organic nitrogen and phosphorus compounds -- Gas chromatographic methods
GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...

Korean Agency for Technology and Standards (KATS)

KS I ISO 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS I ISO 10695-2006(2016) Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS I ISO 10695:2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods

German Institute for Standardization

DIN EN ISO 10695:2000-11 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
DIN EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000

SCC

DANSK DS/EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
AENOR UNE-EN ISO 10695:2000 WATER QUALITY. DETERMINATION OF SELECTED ORGANIC NITROGEN AND PHOSPHORUS COMPOUNDS. GAS CHROMATOGRAPHY METHODS. (ISO 10695:2000)
DANSK DS/ISO 21793:2020 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
NS-EN ISO 10695:2000 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas-chromatographic methods (ISO 10695:2000)

Danish Standards Foundation

DS/EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods

Association Francaise de Normalisation

NF EN ISO 10695:2000 Water quality - Determination of certain selected organic nitrogen and phosphorus compounds - Gas chromatography methods
NF T90-121*NF EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods

European Committee for Standardization (CEN)

EN ISO 10695:2000 Water Quality - Determination of Selected Organic Nitrogen and Phosphorus Compounds - Gas Chromatographic Methods ISO 10695: 2000

Lithuanian Standards Office

LST EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000)

TR-TSE

TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

PL-PKN

PN C04576 ArkusZ11-1973 Water and waste water Tests for nitrogen Determination of organie nitrogen