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GB/T 4324.21-1984
GB/T 4324.21-1984 Methods for chemical analysis of tungsten--The diphenylcarbazide photometric method for the determination of chromium content
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Abolished |
| Standard Code | GB/T 4324.21-1984 |
| CCS | Analysis methods for rare metals and their alloys |
| ICS | Black metals |
| Implement Date | 1985-03-01 |
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