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| International Standard Category: Cadmium, cobalt and their alloys |
YS/T 540.2-2006 Vanadium -- Determination of chromium content -- Diphenylcarbazide spectrophotometric method
钒化学分析方法 二苯基碳酰二肼光度法测定铬量 ;
| Category No.: | 77.120.70 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 2006-7-27 | |
| Implemented Date: | 2006-10-11 | Abolished Date: | |
| Superseded Standard.: | YS/T 540.2-2018 Methods for chemical analysis of vanadium-Patr 2:Determination of chromium content-Diphenylcarbazide spectrophtometry |
Superseded Date: | 2019-4-1 |
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