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YS/T 990.2-2014 Active
YS/T 990.2-2014 Methods for chemical analysis of copper matte—Part 2:Determination of gold and silver contents—Atomic absorption spectrmetry and fire assay method
Abstract
This part of YS/T 990 specifies the method for determining the silver content in bullion.
This part is applicable to the determination of silver content in bullion. Method 1 has a determination range of Ag 20.0 g/t~500.0 g/t; Method 2 has a determination range of Au 1.00 g/t~50.00 g/t; and Ag 50.0 g/t~3,700.0 g/t.
General Product Information
| Document Type | Industry standards-Non-ferrous metals |
|---|---|
| Standard Status | Active |
| Standard Code | YS/T 990.2-2014 |
| CCS | Analysis methods for heavy metals and their alloys |
| ICS | Copper and copper alloys |
| Implement Date | 2015-04-01 |
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