Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 17132-1997 Environment-Determination of methylmercury-Gas chromatography 120.0 via email in 1~3 business day valid
HJ/T 345-2007 Water quality-Determination of iron-phenanthroline spectrophotometry 90.0 via email in 1~3 business day valid
GB 4914-1985 Effluent STANDARDs for oil-bearing waste water from offshore petroleum development industry 30.0 via email in 1~3 business day abolished
GB 21905-2008 Discharge standards of water pollutants for pharmaceutical industry extraction products category 180.0 via email in 1~3 business day valid
GB 11911-1989 Water quality - Determination of iron and manganese-Flame atomic absorption spectrometric method 30.0 via email in 1~3 business day valid
MT/T 251-2000 Determination of nitrous radical in coal mine water 60.0 via email in 1~3 business day valid
GB/T 14643.4-1993 Industrial circulating cooling water examination of soil fungi-Standarde of plate count 45.0 via email in 1~3 business day abolished
GB 22573-2008 Maximum limits of chlorobenzene,1,2-dichlorobenzene,1,4-dichlorobenzene,nitrobenzene for irrigation water quality 105.0 via email in 1~3 business day valid
GB 13270-1991 Aemospheric air-Test dust standand sample-Simulated atmospheric dust 60.0 via email in 1~3 business day valid
HY/T 168.1-2013 Design code for domestic seawater post-treatment-Part 1:activated sludge process 150.0 via email in 1~3 business day valid
GB 7485-1987 Water quality; Determination of total arsenic; Silver diethyldithiocarbamate spectrophotometric method 60.0 via email in 1~3 business day valid
GB 1576-2001 Water quality for industrial boilers 450.0 via email in 1~5 business day abolished
GB/T 35188-2017 Determination of 131 I in marine sediment―β counting method 225.0 via email in 1~3 business day valid
HJ 596.4-2010 Water quality–Vocabulary Part 4 510.0 via email in 1~8 business day valid
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates 60.0 via email in 1~3 business day valid
SL 286-2003 Guidelines for the assessment of zones of groundwater overdraft 705.0 via email in 1~5 business day valid
GB 11934-1989 standard method for hygienic examination of acetaldehyde and acrolin in drinking water sources-Gas chromatography 30.0 via email in 1~3 business day valid
GB/T 4795-2009 15ppm bilge separators 300.0 via email in 1~3 business day valid
GB/T 6906-2006 Methods for analysis of water for boiler and for cooling - The determination of hydrazine 60.0 via email in 1~3 business day valid
MT/T 891-2000 Determination of boron in coal mine water 45.0 via email in 1~3 business day valid
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