Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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MT/T 894-2000 General rules for analytical and testing methods of coal mine water 90.0 via email in 1~3 business day valid
GB/T 14375-1993 quality. Determination of monomethyl hydrazine. p - Dimethylaminobenzaldegyde spectrophotometric method 30.0 via email in 1~3 business day superseded
HJ/T 399-2007 Water quality-Determination of the chemical oxygen demand-Fast digestion-Spectrophotometric method 180.0 via email in 1~3 business day valid
MT/T 1046-2007 Determination of chemical oxygen demand of coal mine water (method of potassium dichromate) 75.0 via email in 1~3 business day valid
GB 4921-1985 Waste gas from manufacturing process; Determination of chemical oxygen demand and nitrogen oxide; Potassium dichromate oxidation and naphthylethylene diamine colorimetric method 45.0 via email in 1~3 business day valid
MT/T 805-1999 Determination on the SS of water in coal mines 60.0 via email in 1~3 business day valid
MT/T 257-2000 Determination of free carbon dioxde in coal mine water 90.0 via email in 1~3 business day valid
MT/T 255-2000 Determination of soluble silicon dioxide in coal mine water 60.0 via email in 1~3 business day valid
MT/T 1047-2007 Determination of turbidity of coal mine water 60.0 via email in 1~3 business day valid
MT/T 371-2005 Determination of sulfion in coal mine water 90.0 via email in 1~3 business day valid
MT/T 256-2000 Determination of pH value in coal mine water 75.0 via email in 1~3 business day valid
GB/T 14378-1993 quality. Determination of diethylenetriamine. Salicyiclaldehyde spectrophotometric method 75.0 via email in 1~3 business day valid
HJ/T 56-2000 Determination of sulphur dioxide from exhausted gas of stationary source Iodine titration method 90.0 via email in 1~3 business day valid
HJ/T 34-1999 Stationary source emission -- Determination of vinyl chloride -- Cas chromatography 135.0 via email in 1~3 business day valid
MT/T 890-2000 Determination of lithium in coal mine water 60.0 via email in 1~3 business day valid
HJ/T 132-2003 High-chlorine wastewater -- Determination of chemical oxygen demand -- Potassium iodide alkaline Permanganate method 150.0 via email in 1~3 business day valid
MT/T 367-2007 Determination of erosive carbon dioxide in coal mine water 60.0 via email in 1~3 business day valid
DL/T 997-2006 Discharge standard of wastewater from limestone-gypsum flue gas desulfurization system in fossil fuel power plants 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
MT/T 251-2000 Determination of nitrous radical in coal mine water 60.0 via email in 1~3 business day valid
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