GB/T 4134-2021 Gold ingots

GB/T 4134-2015 Gold ingots

GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 11066.1-1989 Gold—Determination of gold content—Fire assaying method GB/T 11066.1-2008 Methods for chemical analysis of gold─Determination of gold content—Fire assaying method GB/T 11066.2-1989 Gold—Determination of silver content—Flame atomic absorption spectrometric method GB/T 11066.2-2008 Methods for chemical analysis of gold—Determination of silver content—Flame atomic absorption spectrometry GB/T 11066.3-1989 Gold—Determination of iron content—Flame atomic absorption spectrometric method GB/T 11066.3-2008 Methods for chemical analysis of gold—Determination of iron content—Flame atomic absorption spectrometry GB/T 11066.4-1989 Gold—Determination of copper, lead, bismuth and antimony contents—Flame atomic absorption spectrometric method GB/T 11066.4-2008 Methods for chemical analysis of gold—Determination of copper,lead and bismuth contents—Flame atomic absorption spectrometry GB/T 11066.5-1989 Gold—Determination of silver, copper, iron, lead, antimony and bismuth contents—Emission spectrometric method GB/T 11066.5-2008 Methods for chemical analysis of gold—Determination of silver,copper,iron,lead,antimony and bismuth contents—Atomic emission spectrometry GB/T 11066.6-2009 Methods for chemical analysis of gold—Determination of magnesium,nickel,manganese,palladium contents—Flame atomic absorption spectrometry GB/T 11066.7-2009 Methods for chemical analysis of gold─Determination of silver,copper,iron,lead,antimony,bismuth,palladium,magnesium,tin,nickel,manganese and chromium contents─Spark atomic emission spectrometry GB/T 11066.8-2009 Method for chemical analysis of gold—Determination of silver,copper,iron,lead,antimony,bismuth,palladium, magnesium,nickel,manganese and chromium content—Ethyl acetate extration-inductively coupled plasma-atomic emission spectrometry GB/T 11066.9-2009 Methods for chemical analysis of gold—Determination of arsenic and tin contents—Hydride generation-atomic fluorescence spectrometry GB/T 11066.10-2009 Methods for chemical analysis of gold—Determination of silicon content—Molybdenum blue spectrophotometry GB/T 11066.11-2021 Methods for chemical analysis of gold—Part 11:Determination of magnesium,chromium,manganese,iron,nickel,copper,palladium,silver,tin,antimony,lead and bismuth contents—Inductively coupled plasma mass spectrometry GB/T 11066.12-2024 Methods for chemical analysis of gold—Part 12:Determination of silver,copper,iron,lead,bismuth,antimony,magnesium,nickel,manganese,palladium,chromium,platinum,rhodium,titanium,zinc,arsenic,tin,silicon,cobalt,calcium,potassium,lithium,sodium,tellurium,vanadium,zirconium,cadmium,molybdenum,rhenium,aluminum contents—Inductively coupled plasma atomic emission spectrometry