| Std ID | Description (Standard Title) | Detail |
| HG/T 3541-1990 | (Water treatment agent. Crystalline aluminum chloride) | HG/T 3541-1990 |
| HG/T 3537-1989 | (Chinese Industry Standard) | HG/T 3537-1989 |
| HG/T 2160-2024 | (Dynamic simulation test method for cooling water) | HG/T 2160-2024 |
| HG/T 6333-2024 | (Measurement method for scale inhibition performance of scale inhibitor dispersant for coal gasification ash water) | HG/T 6333-2024 |
| HG/T 6236-2023 | (Technical specifications for advanced treatment and reuse of industrial wastewater - adsorption method) | HG/T 6236-2023 |
| HG/T 6237-2023 | (Technical specifications for treatment and reuse of organic nitrogen industrial wastewater) | HG/T 6237-2023 |
| HG/T 5747-2020 | (Water treatment agent Determination of nickel, manganese, copper, zinc content Inductively coupled plasma emission spectroscopy (ICP-OES) method) | HG/T 5747-2020 |
| HG/T 5748-2020 | (Performance evaluation method of nitrifying bacteria agent for water treatment) | HG/T 5748-2020 |
| HG/T 5821-2020 | Technical specification for composite wastewater treatment in chemical industry park | HG/T 5821-2020 |
| HG/T 2762-2019 | (Water treatment agent product classification and naming) | HG/T 2762-2019 |
| HG/T 5564-2019 | (Analysis methods of boiler water and cooling water Determination of iron and copper content Voltammetric polarography) | HG/T 5564-2019 |
| HG/T 5309-2018 | (Electroplating copper containing wastewater treatment and recovery technical specification) | HG/T 5309-2018 |
| HG/T 5361-2018 | Technical specification for treatment and recovery of coking desulfurization and decyanation wastewater | HG/T 5361-2018 |
| HG/T 5166-2017 | Standard test method for performance of scale inhibitors for reverse osmosis | HG/T 5166-2017 |
| HG/T 5169-2017 | Technical specification for ion-exchange technology for treatment of waste water containing heavy metals | HG/T 5169-2017 |
| HG/T 5167-2017 | Determination of carboxylate and sulfonate polymer in circulation cooling water | HG/T 5167-2017 |
| HG/T 5168-2017 | Analysis of water used in boiler and cooling system. Determination of trace levels of copper, iron, zinc and aluminium. Atomic absorption spectrometry with graphite furnace | HG/T 5168-2017 |
| HG/T 5005-2016 | (Determination of calcium, magnesium, iron, zinc and copper content of boiler water and cooling water - Inductively coupled plasma emission spectrometry (ICP-OES)) | HG/T 5005-2016 |
| HG/T 3520-2015 | Determination of calcium for phosphorus-zine prefilming fluid in industrial circulating cooling water | HG/T 3520-2015 |
| HG/T 4820-2015 | The calculation method of CO2 emission for a corporate water network in chemical industry | HG/T 4820-2015 |
| HG/T 4541-2013 | Water treatment chemicals. Determination of scale inhibition performance. Limited carbonate method | HG/T 4541-2013 |
| HG/T 4542-2013 | Circulating cooling water. Determination of polyepoxysuecinic acid | HG/T 4542-2013 |
| HG/T 4543-2013 | Water treatment chemicals. Determination of corrosion inhibition performance. Potentiodynamic polarization method | HG/T 4543-2013 |
| HG/T 3519-2012 | Industrial circulating cooling water. Determination of benzotriazole | HG/T 3519-2012 |
| HG/T 3530-2012 | Industrial circulating cooling water. Sampling and production for sludge and corrosion products | HG/T 3530-2012 |
| HG/T 3539-2012 | Industrial circulating cooling water. Determination of iron content. Spectrometric method using 1, 10-phenathroline | HG/T 3539-2012 |
| HG/T 4322-2012 | Industrial circulating cooling water. Determination of undissolved material in silicate for sludge and corrosion products | HG/T 4322-2012 |
| HG/T 4324-2012 | Pickling solution. Determination of total iron content | HG/T 4324-2012 |
| HG/T 4325-2012 | Reclaimed water. Determination of calcium and magnesium. Atomic absorption spectromic method | HG/T 4325-2012 |
| HG/T 4326-2012 | Reclaimed water. Determination of nickel, copper, zinc, cadmium and lead. Atomic absorption spectromic methods | HG/T 4326-2012 |
| HG/T 4327-2012 | Reclaimed water. Determination of total iron content. Spectrophotometric method | HG/T 4327-2012 |
| HG/T 2157-2011 | Industrial circulating cooling water. Determination of ammonium. Potentiometric method | HG/T 2157-2011 |
| HG/T 2158-2011 | Industrial circulating cooling water. Determination of ammonium. Distillation and titration method | HG/T 2158-2011 |
| HG/T 3516-2011 | Industrial circulating cooling water. Determination of nitrite. Molecular absorption spectrometric method | HG/T 3516-2011 |
| HG/T 3518-2011 | Industrial circulating cooling water. Determination of mercaptobenzo-thiazole | HG/T 3518-2011 |
| HG/T 3525-2011 | Industrial circulating cooling water. Determination of aluminium | HG/T 3525-2011 |
| HG/T 3526-2011 | Industrial circulating cooling water determination of nitrate. Spectrophotometric method using sulfosalicylic acid | HG/T 3526-2011 |
| HG/T 3531-2011 | Industrial circulating cooling water. Determination of water for sludge and corrosion products | HG/T 3531-2011 |
| HG/T 3532-2011 | Industrial circulating cooling water. Determination of ferrous sulphide for sludge and corrosion products | HG/T 3532-2011 |
| HG/T 3533-2011 | Industrial circulating cooling water. Determination of ignition-loss for sludge and corrosion products | HG/T 3533-2011 |
| HG/T 3534-2011 | Industrial circulating cooling water. Determination of undissolved material in acid, phosphorus, ferrum, aluminium, calcium, magnesium, zinc and copper for sludge and corrosion products | HG/T 3534-2011 |
| HG/T 3535-2011 | Industrial circulating cooling water. Determination of sulphates for sludge and corrosion products | HG/T 3535-2011 |
| HG/T 3536-2011 | Industrial circulating cooling water. Determination of carbon dioxide for sludge and corrosion products | HG/T 3536-2011 |
| HG/T 3540-2011 | Industrial circulating cooling water. Determination of total phosphate | HG/T 3540-2011 |
| HG/T 4207-2011 | Examination of heterotrophic bacteria in industrial circulating cooling water. Standard of plate count | HG/T 4207-2011 |
| HG/T 2024-2009 | Determination of scale inhibition performance of water treatment agents. Bubble method | HG/T 2024-2009 |
| HG/T 2156-2009 | Determination of anionic surfactants in industrial circulating cooling water. Spectrophotometric method using methylene blue | HG/T 2156-2009 |
| HG/T 2160-2008 | Dynamic simulation method for cooling water | HG/T 2160-2008 |
| HG/T 3523-2008 | Technical conditions of standard corrosion spool of chemical treatment in cooling water | HG/T 3523-2008 |
| HG/T 3527-2008 | Industrial circulating cooling water. Determination of mineral oil | HG/T 3527-2008 |
| HG/T 3923-2007 | Reusing wastewater quality standard for industrial circulating cooling water | HG/T 3923-2007 |
| HG/T 3924-2007 | Standard test method for performance of boiler water treatment chemicals. Dynamic simulation method | HG/T 3924-2007 |
| HG/T 2762-2006 | Classifying and code nomenclature of water treatment chemicals | HG/T 2762-2006 |
| HG/T 3778-2005 | Technical regulations for chemical cleaning and prefilming of cooling water system | HG/T 3778-2005 |
| HG/T 3518-2003 | Industrial circulating cooling water-Determination of mercaptobenzo-thiazole | HG/T 3518-2003 |
| HG/T 3519-2003 | Industrial circulating cooling water-Determination of Benzotriazole | HG/T 3519-2003 |
| HG/T 3525-2003 | Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocatechol violet | HG/T 3525-2003 |
| HG/T 3530-2003 | Industrial circulating cooling water-Surveys, sampling and production for sludge and corrosion products | HG/T 3530-2003 |
| HG/T 3531-2003 | Industrial circulating cooling water-Determination of water for sludge and corrosion products | HG/T 3531-2003 |
| HG/T 3532-2003 | Industrial circulating cooling water-Determination of ferrous sulphide for sludge and corrosion products | HG/T 3532-2003 |
| HG/T 3533-2003 | Industrial circulating cooling water-Determination of ignition-loss for sludge and corrosion products | HG/T 3533-2003 |
| HG/T 3534-2003 | Industrial circulating cooling water-Determination of undissolved material in acid, phosphorus, ferrum, aluminium, calcium, magnesium, zinc and copper for sludge and corrosion products | HG/T 3534-2003 |
| HG/T 3535-2003 | Industrial circulating cooling water-Determination of sulphates for sludge and corrosion products | HG/T 3535-2003 |
| HG/T 3536-2003 | Industrial circulating cooling water-Determination of carbon dioxide for sludge and corrosion products | HG/T 3536-2003 |
| HG/T 3539-2003 | Industrial circulating cooling water-Determination of iron-Spectrometric method using 1, 10-phenanthroline | HG/T 3539-2003 |
| HG/T 3520-2000 | Industrial circulating cooling water Determination of calcium For phosphorus-zine prefilmingtluid | HG/T 3520-2000 |
| HG/T 3609-2000 | Principle for water quality analytical methods of industrial circulating cooling water | HG/T 3609-2000 |
| HG/T 3610-2000 | Principle for sludge and corrosion product analytical methods of industrial circulating cooling water | HG/T 3610-2000 |
| HG 2762-1996 | (Water treatment agent product classification and nomenclature) | HG 2762-1996 |
| HG/T 2024-1991 | (Determination of scale inhibition performance of water treatment chemicals. Bubbling) | HG/T 2024-1991 |
| HG/T 2160-1991 | Dynamic simulation method for cooling water | HG/T 2160-1991 |
| HG/T 3539-1990 | (Industrial circulating cooling water Determination of iron content. Phenanthroline spectrophotometric) | HG/T 3539-1990 |
| HG/T 3540-1990 | Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method | HG/T 3540-1990 |
| HG 5-1501-1985 | (Industrial circulating cooling water PH value measurement method) | HG 5-1501-1985 |
| HG 5-1502-1985 | (Industrial circulating cooling water alkalinity determination) | HG 5-1502-1985 |
| HG 5-1503-1985 | (Industrial circulating cooling water turbidity measurement method) | HG 5-1503-1985 |
| HG 5-1504-1985 | (Industrial circulating cooling water dissolved solids determination) | HG 5-1504-1985 |
| HG 5-1506-1985 | (Industrial circulating cooling water calcium determination) | HG 5-1506-1985 |
| HG 5-1509-1985 | (Industrial circulating cooling water Determination of nitrite ion) | HG 5-1509-1985 |
| HG 5-1516-1985 | (Industrial circulating cooling water dichlorophenol (DDM) the remaining amount of determination) | HG 5-1516-1985 |
| HG 5-1518-1985 | (Industrial circulating cooling water mercaptobenzothiazole benzthiazole determination) | HG 5-1518-1985 |
| HG 5-1519-1985 | (Industrial circulating cooling water benzene Benzotriazole determination) | HG 5-1519-1985 |
| HG 5-1524-1985 | (Determination of industrial cooling water phosphorus compound inhibitor ethylene diamine tetramethylene bisphosphonate (EDTMPA)) | HG 5-1524-1985 |
| HG 5-1525-1985 | (Industrial cooling water phosphorus compound inhibitors Etidronic acid (HEDPA) Determination) | HG 5-1525-1985 |
| HG 5-1593-1985 | (Industrial circulating cooling water Determination of aluminum ions) | HG 5-1593-1985 |
| HG 5-1594-1985 | (Industrial circulating cooling water sulfate ion determination) | HG 5-1594-1985 |
| HG 5-1596-1985 | (Industrial cooling water, oil content determination) | HG 5-1596-1985 |
| HG 5-1597-1985 | (Industrial circulating cooling water trace polyacrylic acid and poly maleic acid determination) | HG 5-1597-1985 |
| HG 5-1601-1985 | (Industrial circulating cooling water sample survey of dirt and corrosion products, and preparation) | HG 5-1601-1985 |
| HG 5-1602-1985 | (Determination of moisture content of industrial cooling water dirt and corrosion products) | HG 5-1602-1985 |
| HG 5-1603-1985 | (Industrial cooling water, dirt, and determination of the corrosion products of ferrous sulfide content) | HG 5-1603-1985 |
| HG 5-1604-1985 | (Determination weightlessness industrial cooling water dirt and corrosion products burning) | HG 5-1604-1985 |
| HG 5-1605-1985 | (Industrial cooling water dirt and corrosion products Determination of acid insoluble matter, phosphorus, iron, aluminum, calcium, magnesium, zinc, copper content) | HG 5-1605-1985 |
| HG 5-1606-1985 | (Determination of sulphate content industrial cooling water dirt and corrosion products) | HG 5-1606-1985 |
| HG 5-1607-1985 | (Determination of carbon dioxide content in industrial cooling water dirt and corrosion products) | HG 5-1607-1985 |
| HG/T 3517-1985 | (Industrial circulating cooling water dichlorophenol (DDM) the remaining amount of determination) | HG/T 3517-1985 |
| HG/T 3518-1985 | (Industrial circulating cooling water mercaptobenzothiazole benzthiazole determination) | HG/T 3518-1985 |
| HG/T 3519-1985 | (Industrial circulating cooling water benzene Benzotriazole determination) | HG/T 3519-1985 |
| HG/T 3520-1985 | (Chinese Industry Standard) | HG/T 3520-1985 |
| HG/T 3521-1985 | ((EDTMPA) Determination of industrial cooling water phosphorus compound inhibitor ethylene diamine tetramethylene phosphonate) | HG/T 3521-1985 |