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JB/T 9493.2-1999 Active
JB/T 9493.2-1999 The chemical analysis methods for the resistance alloys of manganese copper and new kangkang copper involve the determination of manganese using the nitrate ammonium oxidation method combined with the ammonium ferrous sulfate titration method
General Product Information
| Document Type | Industry standards-Mechanical |
|---|---|
| Standard Status | Active |
| Standard Code | JB/T 9493.2-1999 |
| Implement Date | 2000-01-01 |
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