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GB/T 7739.10-2007 Methods for chemical analysis of gold concentrates—Part 10:Determination of antimony contents 120.0 via email in 1~3 business day valid
GB/T 7739.3-2007 Methods for chemical analysis of gold concentrates—Part 3:Determination of arsenic contents 180.0 via email in 1~3 business day valid
GB/T 17418.1-2010 Methods for analysis of noble metals in geochemical samples—Part 1:General rules and regulations 120.0 via email in 1~3 business day valid
GB/T 20899.7-2007 Methods for chemical analysis of gold ores—Part 7:Determination of iron contents 90.0 via email in 1~3 business day valid
GB/T 20899.1-2007 Methods for chemical analysis of gold ores—Part 1:Determination of gold contents 180.0 via email in 1~3 business day valid
YB/T 2430-1988 Gold concentrates 30.0 via email in 1 business day abolished
GB/T 17418.2-2010 Methods for analysis of noble metals in geochemical samples—Part 2:Determination of platinum and rhodium content—Preconcentration by thiourea-catalytic polarographic method 180.0 via email in 1~3 business day valid
YS/T 3015.1-2013 Methods for chemical analysis of gold-loaded carbon—Part 1:Determination of moisture content—Desiccation gravimetric method 120.0 via email in 1~3 business day valid
YS/T 3016-2013 Special reactor for ozone oxidation process 180.0 via email in 1~3 business day valid
GB/T 13449-1992 Gold lump ores-Increment sampling and sample preparation-Manual method 105.0 via email in 1~3 business day valid
YS/T 3015.4-2013 Methods for chemical analysis of gold-loaded carbon—Part 4:Determination of copper、iron、calcium and magnesium contents—Inductively coupled plasma-atomic emission spectrometry 180.0 via email in 1~3 business day valid
GB/T 20899.11-2007 Methods for chemical analysis of gold ores—Part 11:Determination of arsenic and bismuth contents 90.0 via email in 1~3 business day valid
GB/T 20899.8-2007 Methods for chemical analysis of gold ores—Part 8:Determination of sulfur contents 120.0 via email in 1~3 business day valid
GB/T 20899.5-2007 Methods for chemical analysis of gold ores—Part 5:Determination of lead contents 120.0 via email in 1~3 business day valid
GB/T 20899.6-2007 Methods for chemical analaysis of gold ores—Part 6:Determination of zinc contents 120.0 via email in 1~3 business day valid
GB/T 7739.6-2007 Methods for chemical analysis of gold concentrates—Part 6:Determination of zinc contents 180.0 via email in 1~3 business day valid
GB/T 20899.2-2007 Methods for chemical analysis of gold ores—Part 2:Determination of silver contents 90.0 via email in 1~3 business day valid
YS/T 3008-2012 The norm of energy consumption per unit product of fuel(diesel) activated carbon regeneration process 180.0 via email in 1~3 business day valid
GB/T 7739.1-2007 Methods for chemical analysis of gold concentrates—Part 1:Determination of gold and silver contents 60.0 via email in 1 business day valid
GB/T 17418.5-2010 Methods for analysis of noble metals in geochemical samples - Part 5: Determination of ruthenium and osmium content - Separationby distillation-catalytic spectrophotometric method 180.0 via email in 1~3 business day valid
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