GB/T 29044-2012 Water quality for heating and air conditioning systems

CJJ 34-2010 GB 1576-2001 Water quality for industrial boilers GB/T 1576-2008 Water quality for industrial boilers GB/T 1576-2018 Water quality for industrial boilers GB/T 5750.2-2006 Standard examination methods for drinking water—Collection and preservation of water samples GB/T 5750.2-2023 Standard examination methods for drinking water—Part 2:Collection and preservation of water samples GB/T 6904-2008 Water used in industrial circulating cooling system and boiler—Determination of pH GB/T 6904.3-1993 Analysis of water used in boiler and cooling system—Determination of pH—The glass electrode method for pure water GB/T 6908-2005 Analysis of water used in boil and cooling system—The determination of electrical conductivity for water GB/T 6908-2008 Analysis of water used in boil and cooling system—Determination of electrical conductivity GB/T 6908-2018 Analysis of water used in boiler and cooling system—Determination of electrical conductivity GB/T 11899-1989 Water quality—Determination of sulfate—Gravimetric method GB/T 11911-1989 Water quality—Determination of irom and manganese—Flame atomic absorption spectrometric method GB/T 11914-1989 Water quality—Determination of the chemical oxygen demand—Dichromate method GB/T 12157-2007 Water for industrial circulating cooling system and boiler—Determination of dissolved oxygen GB/T 12157-2022 Determination of dissolved oxygen in water for industrial circulating cooling system and boiler GB/T 13192-1991 Water quality—Determination of organic phosphorous pesticide in water—Gas chromatography GB/T 13689-1992 Industrial circulating cooling water—Determination of copper—Sodium diethyldithiocarbamate spectrophotometric method GB/T 13689-2007 Water for industrial circulating cooling system and boiler—Determination of copper GB/T 14427-1993 Analysis of water used in boiler and cooling system—Determination of iron GB/T 14427-2008 Analysis of water used in boiler and cooling system—Determination of iron GB/T 14427-2017 Analysis of water used in boiler and cooling system—Determination of iron GB/T 14643.1-1993 Industrial circulating cooling water—Examination of bacteria formed deposits—Standard of plate count GB/T 14643.1-2009 Examination of bacteria and algae in industrial circulating cooling water—Part 1:Examination of bacteria formed deposits—Standard of plate count GB/T 15451-1995 Industrial circulating cooling water—Determination of alkalinity GB/T 15451-2006 Industrial circulating cooling water—Determination of total and composite alkalinity GB/T 15453-1995 Industrial circulating cooling water—Determination of chloride—Silver nitrate titration method GB/T 15453-2008 Water for industrial circulating cooling system and boiler—Determination of chloride GB/T 15453-2018 Determination of chloride in water for industrial circulating cooling system and boiler GB/T 15454-1995 Industrial circulating cooling water—Determination of sodium, ammonium, potassium, magnesium and calcium—Ions chromatography GB/T 15454-2009 Industrial circulating cooling water—Determination of sodium,ammonium,potassium,magnesium and calcium—Ion chromatography GB/T 15893.1-1995 Industrial circulating cooling water—Determination of turbidity—Diffused radiation method GB/T 15893.1-2014 Industrial circulating cooling water—Determination of turbidity—Diffused radiation method CJ 343-2010 Wastewater quality standards for discharge to municipal sewers HJ 536-2009 Water quality determination of ammonia nitrogen using salicylate spectrophotometry HJ 585-2010 Water quality determination of free and total chlorine using N,N-diethyl-1,4-phenylene diamine titration method HJ 586-2010 Water quality determination of free and total chlorine using N,N-diethyl-1,4-phenylene diamine spectrophotometry GB/T 6904.1-1986 Methods for analysis ofwater for boiler and for cooling--The determination of pH--The glass electrode method GB/T 6904.2-1986 Methods for analysis of water for boiler and for cooling--The determination of pH--Colorimetric method