GB/T 8151.19 - 2012 is the 19th part of the standard for chemical analysis of zinc concentrates. It stipulates the determination of gold and silver content in zinc concentrates by lead precipitation or ash blowing test JINHE flame atomic absorption spectroscopy (AAS) method. The gold and silver content is related to the value of zinc concentrates and subsequent processes. The standard specifies the operation process, can accurately detect, provide key data for zinc concentrate production, trade and smelting enterprises, help them rationally evaluate the ore value and optimize the process, and play an important role in the mass control and cost accounting of the zinc concentrate industry chain.
| Status | Active |
|---|---|
| CCS | H13 | ICS | 77.120.60 |
| Release Date | 2012-12-31 00:00:00 | Implementation Date | 2013-10-01 00:00:00 |