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HG 5-1592-1985 (USD) via email in 1-3 business day ABOLISHED
HG/T 3525-2011 Industrial circulating cooling water—Determination of aluminium via email in please email coc@codeofchina.com for quotation
GB/T 16881-2008 Coagulation-Deposition jar test of water (USD) via email in 1-3 business day VALID
GB/T 14640-2008 Water used in industrial circulating cooling system and boiler - Determination of potassium and sodium (USD) via email in 1-3 business day ABOLISHED
HG/T 3533-2011 Industrial circulating cooling water—Determination of ignition-loss for sludge and corrosion products via email in VALID please email coc@codeofchina.com for quotation
GB/T 22594-2018 Water treatment chemicals—General rules for determination of density (USD) via email in 1-3 business day VALID
GB/T 14415-2007 Water for industrial circulating cooling system and boiler—Determination of solids matter (USD) via email in 1-3 business day VALID
HG 5-1507-1985 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 14642-2009 Industrial circulating cooling water and boiler water - Determination of fluoride,chloride,phosphate,nitrite,nitrate and sulfate - Ion chromatography (USD) via email in 1-3 business day VALID
HG/T 4326-2012 Reclaimed water—Determination of nickel copper zinc cadmium and lead—Atomic absorption spectromic methods via email in VALID please email coc@codeofchina.com for quotation
GB/T 15455-1995 Industrial circulating cooling water-Determination of dissolved oxygen-Iodimetry via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 16634-1996 Industrial circulating cooling water -Determination of zinc for phosphous-zinc prefilming fluid-Atomic absorption spectrometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
HG/T 2158-2011 Industrial circulating cooling water—Determination of ammonium-Distillation and titration method via email in VALID please email coc@codeofchina.com for quotation
GB/T 10656-2008 Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 16632-2019 Determination of scale inhibition performance of water treatment chemicals—Calcium carbonate precipitation method (USD) via email in 1-3 business day VALID
GB/T 22597-2014 Determination of chemical oxygen demand of reclaimed wastewater—Potassium dichromate method (USD) via email in 1-3 business day VALID
GB/T 14427-2017 Analysis of water used in boiler and cooling system—Determination of iron (USD) via email in 1-3 business day VALID
HG/T 2157-2011 Industrial circulating cooling water-Determination of ammonium-Potentiometric method via email in VALID please email coc@codeofchina.com for quotation
GB/T 37907-2019 Reclaimed water quality—Determination of sulfide and cyanide—Ion chromatography (USD) via email in 1 business day VALID
HG/T 3526-2011 Industrial circulating cooling water determination of nitrate- Spectrophotometric method using sulfosalicylic acid via email in VALID please email coc@codeofchina.com for quotation
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