Nitrate nitrogen surface water discharge

Nitrate nitrogen surface water discharge, Total:41 items.

The international standard classification for "Nitrate nitrogen surface water discharge" includes: Water quality .

The Chinese standard classification for "Nitrate nitrogen surface water discharge" includes: Analysis methods for toxic substances in water .

Group Standards of the People's Republic of China

T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/NAIA 0247-2023 Determination of water quality nitrate nitrogen by continuous flow analysis method

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

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 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods

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

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

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

Fujian Provincial Standard of the People's Republic of China

DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water

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

DB15/T 1837-2020 Determination of Nitrate Nitrogen in Farmland Irrigation Water by Flow Injection Method

Danish Standards Foundation

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
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

SCC

NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
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
AWWA ACE92031 Nitrate Removal From Groundwater Sources
AENOR UNE-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. (ISO 13395:1996).
AWWA QTC97072 Balancing Health Risks (Nitrate vs THMs) From Surface and Ground Water Sources

NO-SN

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

SE-SIS

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

RO-ASRO

STAS 8900/1-1971 SURFACE AND WASTE WATERS Nitrate determination
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination
STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method

YU-JUS

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

IN-BIS

IS 9005-1988 Industrial emission limits for nitric acid and nitrogen-containing fertilizers

ZA-SANS

SANS 5210:2010 Water - Nitrate and nitrite content
SANS 5210:2006 Water - Nitrate and nitrite content
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

GSO

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
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

British Standards Institution (BSI)

BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Korean Agency for Technology and Standards (KATS)

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

International Organization for Standardization (ISO)

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

European Committee for Standardization (CEN)

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

German Institute for Standardization

DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996

Association Francaise de Normalisation

BP X30-331:2003 Protocol for quantification of nitrous oxide emissions in the manufacture of nitric acid

Lithuanian Standards Office

LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)

Others: