This part specifies the method for the determination of arsenic content in gold ore. This section applies to the determination of the amount of arsenic in gold ore.
GB/T 20899.3-2007 history
2019GB/T 20899.3-2019 Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content
2007GB/T 20899.3-2007 Methods for chemical analysis of gold ores Part 3: Determination of arsenic contents