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HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocat 75 (USD) via email in 1-3 business day ABOLISHED
HG/T 3536-2011 Industrial circulating cooling water-Determination of carbon dioxide for sludge and corrosion products via email in VALID please email coc@codeofchina.com for quotation
ZB G 76001-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
HG/T 4322-2012 Industrial circulating cooling water—Determination of undissolved material in silicate for sludge and corrosion products via email in VALID please email coc@codeofchina.com for quotation
HG/T 3778-2005 Technical regulations for chemical cleaning and prefilming of cooling water system 210 (USD) via email in 1-3 business day VALID
HG/T 3923-2007 Reusing wastewater quality standard for industrial circulating cooling water 60 (USD) via email in 1-3 business day VALID
HG/T 3540-2011 Industrial circulating cooling water-Determination of total phosphate 90 (USD) via email in 1-3 business day
GB/T 15893.3-1995 Industrial circulating cooling water—Determination of sulfate—Gravimetric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
HG/T 3516-2003 Industrial circulating cooling water -- Determination of nitrite -- Molecular absorption spectrometric method 75 (USD) via email in 1-3 business day ABOLISHED
GB/T 14424-2008 Industrial circulating cooling water-Determination of residual chlorine 120 (USD) via email in 1-3 business day VALID
HG/T 3530-2012 Industrial circulating cooling water—Sampling and production for sludge and corrosion products via email in VALID please email coc@codeofchina.com for quotation
GB/T 15893.1-1995 Industrial circulating cooling water—Determination of turbidity—Diffused radiation method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 22597-2008 Reclaimed wastewater - Determination of chemical oxygen demand-Potassium dichromate method 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 20778-2006 Evaluation of biodegradability of water treatment chemicals - Carbon dioxide evolution test 240 (USD) via email in 1-3 business day VALID
HG/T 2160-1991 210 (USD) via email in 1-3 business day ABOLISHED
GB/T 22626-2008 Determination of scale inhibition performance of water treatment agents - Calcium phosphate precipitation method 120 (USD) via email in 1-3 business day VALID
GB/T 12149-2017 Determination of silica in water for industrial circulating cooling system and boiler 180 (USD) via email in 1-3 business day VALID
GB/T 23838-2009 Determination of suspended solids of industrial circulating cooling water 180 (USD) via email in 1-3 business day VALID
GB/T 14427-2008 Analysis of water used in boiler and cooling system - Determination of iron 90 (USD) via email in 1-3 business day ABOLISHED
GB/T 15454-2009 Industrial circulating cooling water - Determination of sodium,potassium, magnesium and calcium - Ion chromatography 180 (USD) via email in 1-3 business day VALID
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