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Chinese National Standard Category: Analysis methods for toxic substances in water

English Title: Water quality -- Determination of total-nitrogen Gas-phase molecular absorption spectrometry
Chinese Title: 水质 总氮的测定 气相分子吸收光谱法
Standard No.: HJ/T 199-2005
Category No.: Z16
Issued by: National Environmental Protection Agency
Issued on: 2005-11-9
Implemented on: 2006-1-1
Status: to be superseded
Superseded by:HJ 199-2023 Water quality―Determination of total nitrogen ―Gas-phase molecular absorption spectrometry
Superseded on:2024-6-1
Abolished on:
Superseding:
Word Count:4000 words
Similar Standards: GB 13197-1991   GB 7492-1987   T/CSUS 28-2021   HJ 593-2010   CJ/T 94-2005   T/BHES 2-2023   DB37/T 4013-2020   DB37/T 3787-2019   GB/T 36084-2018   SL 741-2016   SL 740-2016   SL 739-2016   HJ 686-2014   HJ 676-2013   HJ 550-2009   MT/T 369-2007   MT/T 201-2007   MT/T 202-2007   GB/T 21925-2008   GB/T 21970-2008  
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