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Chinese National Standard Category: Analysis methods for toxic substances in water |
English Title: | Water quality-Determinatoin of free chlorine and total chlorine-Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine |
Chinese Title: | 水质 游离氯和总氯的测定 N,N-二乙基-1,4-苯二胺分光光度法 |
Standard No.: | GB 11898-1989 |
Category No.: | Z16 |
Issued by: | State Environmental Protection Administration |
Issued on: | 1989-12-25 |
Implemented on: | 1990-7-1 |
Status: | superseded |
Superseded by: | HJ 586-2010 Water quality-Determination of free chlorine and total chlorine-Spectrophotonetric method N,N-diethyl-1,4-phenylenediamine |
Superseded on: | 2010-12-1 |
Abolished on: | 2010-12-01 |
Superseding: | |
Word Count: | 2500 words |
Similar Standards: | 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 SL 391.4-2007 |
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