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GB/T 223.4-1988
GB/T 223.4-1988 Methods for chemical analysis of iron, steel and alloy The volumetric method for determination of manganese content by ammonium nitrate oxidation
General Product Information
| Committee | Technical research of the General Research Institute of Steel of the Ministry of Metallurgical Industry |
|---|---|
| Document Type | National standards |
| Publisher Name | National Standards Bureau |
| Standard Status | Replaced |
| Standard Code | GB/T 223.4-1988 |
| CCS | Analysis methods for steel and iron alloys |
| ICS | Black metals |
| Implement Date | 1989-02-01 |
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