The role of hydrochloric acid in the determination of nitrite by naphthylethylenediamine hydrochloride

The role of hydrochloric acid in the determination of nitrite by naphthylethylenediamine hydrochloride, Total:40 items.

The international standard classification for "The role of hydrochloric acid in the determination of nitrite by naphthylethylenediamine hydrochloride" includes: food products in general , Workplace atmospheres , Milk and processed milk products , Water of natural resources , Ambient atmospheres .

The Chinese standard classification for "The role of hydrochloric acid in the determination of nitrite by naphthylethylenediamine hydrochloride" includes: Food sanitation , Chemical reagent in general , Labor sanitation , Children foods , Environmental pollutant monitoring methods , Environmental sanitation .

Professional Standard - Agriculture

水产品质量安全检验手册 7.5.1.1-2005 Chapter 7 Inspection of additives in aquatic products Section 5 Determination of chromogenic agents in aquatic products 1. Determination of nitrite (GBT 5009.33-2003) (1) Naphthalene ethylenediamine hydrochloride method
KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride method
GB/T 5009.33-1996 Method for determination of nitrite and nitrate in foods

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

GB/T 5009.33-2003 Determination of nitrite and nitrate in foods
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB/T 5009.33-2008 Determination of nitrite and nitrate in foods
GB/T 16100-1995 Workplace air--Determination of aniline--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 16102-1995 Workplace air--Determination of nitrobenzene--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 16115-1995 Workplace air―Determination of chorodinitrobenzene―N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
GB/T 13580.7-1992 Determination of nitrite in the wet precipitation.N-(1-naphthyl)-1,2-diaminoethane dihydrochloride spectrophotometry
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 6912.3-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Alpha-naphthylamine hydrochloride photometric method
GB/T 12374-1990 Standard method for examination of nitrate in air of residential areas--Reduction of the cadmium column-spectrophotometry of N-(1-naphthyl)ethylene diamine hydrochloride
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB/T 16114-1995 Workplace air―Determination of chloronitrobenzene―N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
GB/T 5413.32-1997 Milk powder-Determination of nitrate and nitrite contents

中华人民共和国环境保护部

GB 13580.7-1992 Determination of nitrite in the wet precipitation - N-(1-naphthyl)-1, 2-diaminoethane dihydrochloride spectrophotometry

中华人民共和国国家卫生和计划生育委员会

GB 12374-1990 standard method for examination of nitrate in air of residential areas-Reduction of the cadmium column-the spectrophotometry of N-(1-naphthyl)ethylenediaminl hydrochloride

Group Standards of the People's Republic of China

T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography

Professional Standard - Hygiene

WS/T 168-1999 Workplace air.Determination of diphenyl methane 4,4'-di-iso-cyanate-N-(1-naphthyl) ethylenediamine dihydrochloride spectrophotometric method

AT-ON

ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method

SCC

BS DD ENV 12014-3:1998 Foodstuffs. Determination of nitrate and/or nitrite content-Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
AS 2029:1977 Method for the determination of nitrate and nitrite content in waters
DANSK DS/EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NS-EN 12014-3:2005 Foodstuffs — Determination of nitrate and/or nitrite content — Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite

European Committee for Standardization (CEN)

DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite

American Society for Testing and Materials (ASTM)

ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D3867-99 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-16 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-09 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-04 Standard Test Methods for Nitrite-Nitrate in Water

British Standards Institution (BSI)

BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products

RU-GOST R

GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents

YU-JUS

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

Association Francaise de Normalisation

NF EN 12014-3:2005 Food products - Determination of the nitrate and/or nitrite content - Part 3: spectrometric determination of the nitrate and nitrite content of meat products after enzymatic reduction of nitrates to nitrites
NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite

German Institute for Standardization

DIN EN 12014-3:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005

Indonesia Standards

SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry

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