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YS/T 820.23-2012 Methods for chemical analysis of laterite nickel ores―Part 23:Determination of cobalt,iron,nickel,phosphorus,aluminium oxide,calcium oxide,chromium oxide,magnesium oxide,manganese oxide,silicon dioxide and titanium dioxide content―Wavelength dispersive 165.0 via email in 1~3 business day valid
GB/T 18340.6-2010 Organic geochemical analysis methods for geological samples—Part 6:Determination of gasoline group component—Mass spectrometry 180.0 via email in 1~3 business day valid
GB/T 25217.1-2010 Methods for test monitoring and prevention of rock burst—Part 1:Classification and laboratory test method on bursting liability of roof strata 120.0 via email in 1~3 business day valid
GB/T 18024.7-2000 Graphical symbols for use in technical documentation of coal mine machinery-Graphical symbols for machinery of compressed -air,ventilation and water drainage 105.0 via email in 1~3 business day abolished
YS/T 820.24-2012 Methods for chemical analysis of laterite nickel ores- Part 24:Determination hygroscopic moisture content—Gravimetric method 90.0 via email in 1~3 business day valid
MT/T 570-1996 Dedicated Graphic Symbol for Electrical Drawing of Coal Mine 120.0 via email in 1~3 business day valid
GB 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk-Manual method of sample preparation 60.0 via email in 1~2 business day valid
GB/T 15663.7-1995 Terms relating to coal mining-Mining subsidence 150.0 via email in 1~3 business day superseded
GB/T 15663.6-1995 Terms relating to coal mining-Mining surveying 255.0 via email in 1~3 business day abolished
DZ/T 0275.5-2015 165.0 via email in 1~3 business day valid
GB/T 18340.6-2001 Organic geochemical measurements of geological samples--Method for hydrocarbon types analysis of gasoline by mass spectrometry 210.0 via email in 1~3 business day superseded
GB/T 23561.16-2010 Methods for determining the physical and mechanical properties of coal and rock—Part 16:Method for determining slake durability index of rock 120.0 via email in 1~3 business day valid
GB/T 18340.3-2010 Organic geochemical analysis method for geological samples—Part 3:Determination of saturated hydrocarbon group components in heavy fraction of oil—Mass spectrometry 210.0 via email in 1~3 business day valid
DZ/T 0184.6-1997 Determination of samarium-neodymium isotope geological age and neodymium isotope ratio 180.0 via email in 1~3 business day valid
GB/T 14498-1993 geological terminology 900.0 via email in 1~3 business day valid
GB 2007.7-1987 General rules for the sampling and sample preparation of minerals in bulk-The method for determination of size by manual sieving 30.0 via email in 1~3 business day valid
YS/T 820.19-2012 Methods for chemical analysis of laterite nickel ores―Part 19:Determination of aluminum,chromium,iron,magnesium,manganese,nickel and silicon contents―Energy-dispersive X-ray fluorescence spectrometry 225.0 via email in 1~3 business day valid
GB/T 18024.2-2000 Graphical symbols for use in technical documentation of coal mine machinery-Graphical symbols for coal face support machinery 105.0 via email in 1~3 business day abolished
AQ 1032-2007 Safety inspection code of JTK winder for coal mines 210.0 via email in 1~3 business day valid
GB/T 18340.2-2001 Organic geochemical measurements geological samples--Method for the analysis the organic matters for stable carbon isotopic composition 75.0 via email in 1~3 business day abolished
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