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Database: 365,228(8 Aug 2026)

Ammonia nitrogen past and present

Ammonia nitrogen past and present, Total:11 items.

The international standard classification for "Ammonia nitrogen past and present" includes: .

The Chinese standard classification for "Ammonia nitrogen past and present" includes: .


Group Standards of the People's Republic of China

  • T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method

Professional Standard - Urban Construction

  • CJ/T 3018.6-1993 Leachate - determination of ammoniacal nitrogen - distillation and titration method

SCC

  • AWWA WQTC60767 Disinfection Byproduct Formation from Key Nitrogenous Precursors

GSO

  • GSO ISO 25761:2013 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen

Association Francaise de Normalisation

  • XP CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable nitrate and ammoniacal nitrogen

Korean Agency for Technology and Standards (KATS)

  • KS K 0739-2014 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
  • KS K 0739-2017 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

KR-KS

  • KS K 0739-2017(2022) Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

British Standards Institution (BSI)

  • BS ISO 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen

International Organization for Standardization (ISO)

  • ISO 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen

Lithuanian Standards Office

  • LST EN 14362-3-2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene