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GB/T 223.21-1994 Active
GB/T 223.21-1994 Methods for chemical analysis of iron, steel and alloy The 5-Cl-PADAB spectrophotometric method for the determination of cobalt content
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 223.21-1994 |
| CCS | Analysis methods for steel and iron alloys |
| ICS | Black metals |
| Implement Date | 1994-10-01 |
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