Determination of nitrate nitrogen in water using ultraviolet absorption spectrometry

Determination of nitrate nitrogen in water using ultraviolet absorption spectrometry, Total:64 items.

The international standard classification for "Determination of nitrate nitrogen in water using ultraviolet absorption spectrometry" includes: Water quality .

The Chinese standard classification for "Determination of nitrate nitrogen in water using ultraviolet absorption spectrometry" includes: Analysis methods for toxic substances in water , Environmental Quality Standard for atmosphere, water and soil , Chemical reagent in general , Boiler and its auxiliary equipment , Agriculture and forestry technology , Basic standards and general methods on chemical fertilizers , Basic standards and general methods for water treatment agent .

Hubei Provincial Standard of the People's Republic of China

DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

Professional Standard - Environmental Protection

HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ/T 197-2005 Water quality -- Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 198-2005 Water quality -- Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry

Group Standards of the People's Republic of China

T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry

Professional Standard - Water Conservancy

SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)

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

GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Ultraviolet spectrophotometry for nitrates
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 7480-1987 quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid

Professional Standard - Agriculture

NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method
NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer

中华人民共和国环境保护部

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid

Yunnan Provincial Standard of the People's Republic of China

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

Professional Standard - Chemical Industry

HG/T 3516-2011 Industrial circulating cooling water—Determination of nitrite—Molecularabsorption spectrometric method

GSO

GSO ISO 6777:2015 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

SCC

DANSK DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
NS-EN 26777:1993 Water quality — Determination of nitrite — Molecular absorption spectrometric method (ISO 6777:1984)
DANSK DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

VN-TCVN

TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method

German Institute for Standardization

DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993

KR-KS

KS I ISO 6777-2023 Water quality — Determination of nitrite — Molecular absorption spectrometric method

Danish Standards Foundation

DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 26777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method

Korean Agency for Technology and Standards (KATS)

KS I ISO 6777-2007(2017) Water quality－Determination of nitrite－Molecular absorption spectrometric method
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 I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method

European Committee for Standardization (CEN)

EN 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
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

Association Francaise de Normalisation

NF T90-013*NF EN 26777:1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method.
NF EN 26777:1993 Water quality - Nitrite dosage - Molecular absorption spectrometry method

AT-ON

ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)

ZA-SANS

SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method
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

Lithuanian Standards Office

LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)

AENOR

UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).

International Organization for Standardization (ISO)

ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
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 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method

NL-NEN

NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
NEN 6432-1993 Water. Determination of arsenic content by atomic absorption spectrometry (hydride generation technique). Destruction with nitric acid and hydrochloric acid
NEN 6433-1993 Water. Determination of antimony content by atomic absorption spectrometry (hydride generation technique). Destruction with nitric acid and hydrochloric acid
NEN 6434-1993 Water. Determination of selenium content by atomic absorption spectrometry (hydride generation technique). Destruction with nitric acid and hydrochloric acid

RO-ASRO

STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method

YU-JUS

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

BE-NBN

NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method

Japanese Industrial Standards Committee (JISC)

JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method

SE-SIS

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

British Standards Institution (BSI)

BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric method

Others: