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2016-10-01

Water quality-Determination of nitrosamine compounds –Gas chromato... -- HJ 809-2016

2016-10-01

Water quality –Determination of volatile organic compounds – Head... -- HJ 810-2016

2016-10-01

Water quality―Determination of total selenium―3,3′-Diaminobenzid... -- HJ 811-2016

2016-10-01

Water Quality-Determination of Water Soluble Cations(Li+ 、Na+、NH... -- HJ 812-2016

2016-10-01

Water Quality-Determination of Inorganic Anions(F-、Cl-、NO2-、Br-... -- HJ 84-2016 replacing HJ/T 84-2001

2016-08-01

Water quality-Determination of molybdenum and titanium by graphite ... -- HJ 807-2016

2016-08-01

Water quality – Determination of acrylonitrile and acrolein – Pur... -- HJ 806-2016

2016-08-01

Water quality-Determination of chlorine dioxide and chlorite-Contin... -- HJ 551-2016 replacing HJ 551-2009

2016-08-01

Specifications Test Methods for Automatic/On-line Monitor of Total ... -- HJ 798-2016

2016-05-01

Water quality- Determination of Acetonitrile Direct injection/Gas ... -- HJ 789-2016

2016-05-01

Water quality- Determination of Acetonitrile- Purge and Trap/Gas ch... -- HJ 788-2016

2013-07-01

Discharge standard of water pollutants for ammonia industry -- GB 13458-2013 replacing GB 13458-2001 and putting into effect as of Jul.1,2013

2013-07-01

Effluent standards of water pollutants for citric acid industry -- GB 19430-2013 replacing GB 19430-2004 and putting into effect as of July.1, 2013

2013-03-01

Water quality-Determination of volatile organic compounds-Purge and... -- HJ 639-2012 putting into effect as of Mar.1, 2013

2013-01-01

Discharge standards of water pollutants for bast and leaf fibres te... -- GB 28938-2012

2013-01-01

Discharge standards of water pollutants for woolen textile industry -- GB 28937-2012

2013-01-01

Discharge standards of water pollutants for reeling industry -- GB 28936—2012

2013-01-01

Discharge standards of water pollutants for dyeing and finishing of... -- GB 4287-2012 replacing GB 4287-92

2012-10-01

Emission standard of pollutants for coking chemical industry -- GB 16171-2012 replacing GB16171-1996 and putting into effect as of Oct.1, 2012

2012-10-01

Emission standard of pollutants for ferroalloy smelt industry -- GB 28666-2012 putting into effect as of Oct.1, 2012

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