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GB/T 23277-2009 Active
GB/T 23277-2009 Chemical analysis methods of catalysts containing precious metals—Determination of platinum,palladium and rhodium in automobile exhaust-purifying catalysts—Spectrophotometry
Abstract
This standard specifies the method for determining the amount of platinum, palladium, and rhodium in automotive exhaust purification catalysts.
This standard is applicable to the determination of the platinum, palladium, and rhodium content in new and failed automotive exhaust purification catalysts. The measurement range is Pt, Pd 20 g/t to 5,000 g/t, and Rh 20 g/t to 600 g/t.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 23277-2009 |
| CCS | Precious metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2009-11-01 |
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