This part specifies the method for the determination of lead content in gold ore. This section applies to the determination of lead content in gold ore.
GB/T 20899.5-2007 history
2021GB/T 20899.5-2021 Methods for chemical analysis of gold ores—Part 5: Determination of lead content
2007GB/T 20899.5-2007 Methods for chemical analysis of gold ores Part 5: Determination of lead contents