GB/T 21508-2008 Performance test method for coal-fired flue gas desulphurization equipment

GB/T 21508-2025 Performance test method for coal-fired flue gas desulphurization equipment

GB 8978 GB/T 211-1996 Determination of total moisture in coal GB/T 211-2007 Determination of total moisture in coal GB/T 211-2017 Determination of total moisture in coal GB/T 3286.1-1998 Methods for chemical analysis of limestone and dolomite—The determination of calcium oxide and magnesium oxide content GB/T 3286.1-2012 Methods for chemical analysis of limestone and dolomite—Part 1:The determination of calcium oxide and magnesium oxide content—The complexometric titration method and the flame atomic absorption spectrometric method GB/T 3286.2-1998 Methods for chemical analysis of limestone and dolomite—The determination of silicon dioxide content GB/T 3286.2-2012 Methods for chemical analysis of limestone and dolomite—Part 2:The determination of silicon dioxide content—The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method GB/T 3286.3-1998 Methods for chemical analysis of limestone and dolomite—The determination of aluminium oxide content GB/T 3286.3-2012 Methods for chemical analysis of limestone and dolomite—Part 3:The determination of aluminium oxide content—The chrome azurol S spectrophotometric method and the complexometric titration method GB/T 3286.4-1998 Methods for chemical analysis of limestone and dolomite—The determination of iron oxide content GB/T 3286.4-2012 Methods for chemical analysis of limestone and dolomite—Part 4:The determination of iron oxide content—The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method GB/T 3286.5-1998 Methods for chemical analysis of limestone and dolomite—The determination of manganese oxide content GB/T 3286.5-2014 Method for chemical analysis of limestone and dolomite—Part 5:The determination of manganese oxide content—The periodate oxidation spectrophotometric method GB/T 3286.6-1998 Methods for chemical analysis of limestone and dolomite—The determination of phosphorus content GB/T 3286.6-2014 Methods for chemical analysis of limestone and dolomite—Part 6:The determination of phosphorus content—The phosphomolybdate blue spectrophotometric method GB/T 3286.7-1998 Methods for chemical analysis of limestone and dolomite—The determination of sulphur content GB/T 3286.7-2014 Methods for chemical analysis of limestone and dolomite—Part 7:The determination of sulphur content—The pipe furnace combustion iodic acid potassium titration method，the high frequency combustion with infrared absorption method and the barium sulfate gravimetric method GB/T 3286.8-1998 Methods for chemical analysis of limestone and dolomite—The determination of loss on ignition GB/T 3286.8-2014 Method for chemical analysis of limestone and dolomite—Part 8:The determination of loss on ignition—The gravimetric method GB/T 3286.9-1998 Methods for chemical analysis of limestone and dolomite—The determination of carbon dioxide content GB/T 3286.9-2014 Method for chemical analysis of limestone and dolomite—Part 9:The determination of carbon dioxide content—The caustic asbestos absorption gravimetric method GB/T 5484-2000 Methods for chemical analysis of gypsum GB/T 5484-2012 Methods for chemical analysis of gypsum GB/T 5484-2024 Methods for chemical analysis of gypsum GB/T 5748-1985 Methods for airborne dust measurement in workplace 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 7484-1987 Water quality—Determination of fluoride—Ion selective electrode method GB/T 12349-1990 Method of measuring noise at boundary of industrial enterprises GB/T 6905.1-1986 Methods for analysis ofwater for boiler and for cooling--The determination of chloride--The Mohr method GB/T 6905.2-1986 Methods for analysis of water for boiler and for cooling--The determination of chloride--Potentiometric titration GB/T 6911.1-1986 Methods for analysis ofwater for boiler and for cooling--The determination of sulfate--Gravimetric method GB/T 6911.3-1986 Methods for analysis of water for boiler and for cooling--The determination of sulfate--Potentiometric titration method GB/T 3286.2-2025 Methods for chemical analysis of limestone and dolomite—Part 2:Determination of silicon and aluminium content