Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB44/T 841.2-2010 Performance test for water treatment equipment Part2: Reverse Osmosis via email in business day to be abolished
DB44/T 841.3-2010 Performance test for water treatment equipment Part3: Electrode ionization via email in business day to be abolished
DB44/T 841.4-2010 Performance test for water treatment equipment Part4: Dosing unit via email in business day to be abolished
DB46/T 449-2017 Hainan province norm of water use via email in business day valid
DB46/T 449-2021 Hainan province norm of water use via email in business day valid
DB46/T 638-2024 Water quality-Determination of neonicotinoids-Liquid chromatography-quadrupole mass spectrometry via email in business day valid
DB46/T 640-2024 Water quality-Determination of 9 nitrosamines-Gas chromatography-triple quadrupole mass spectrometry via email in business day valid
DB51/T 3154-2023 via email in business day valid
DB6101/T 3011-2018 Technical code for secondary water supply via email in business day valid
DL/T 301-2011 Analytical method of steam and water in power plant. Determination of trace cations by ion chromatography $264.00 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 $60.00 via email in 1~3 business day abolished
DZ/T 0290-2015 Standard for groundwater quality $180.00 via email in 1~3 business day valid
DZ/T 0420-2022 Code of practice for groundwater sampling via email in business day valid
GB 10531-1989 Water treating chemicals-Ferrous sulphate $224.00 via email in 1~3 business day abolished
GB 10531-2006 Water Treatment Chemicals - Ferrous Sulphate $150.00 via email in 1~3 business day superseded
GB 10539-1989 Analytical methods of boiler water and cooling water-Determination of potassium-Flame photometry $30.00 via email in 1~3 business day valid
GB 11214-1989 Analytical determination of radium-226 in water $90.00 via email in 1~3 business day valid
GB 11224-1989 Analytical method of thonium in water $45.00 via email in 1~3 business day valid
GB 11338-1989 Analytical methods of potassium-40 in water $75.00 via email in 1~3 business day valid
GB 11607-1989 Water quality standard for fisheries $60.00 immediately valid
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