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| International Standard Category: Oxides |
GB/T 2590.11-1981 Zirconium oxide;Determination of nickel content;2,2
氧化锆中镍量的测定(α-联呋喃甲酰二肟吸光光度法) ;
| Category No.: | 71.060.20 | Valid Status: | superseded |
| Issued Organization: | chinania | Issued Date: | 1981-06-07 |
| Implemented Date: | 1982-3-1 | Abolished Date: | 2007-09-29 |
| Superseded Standard.: | YS/T 568.11-2006 Zirconium oxide--Determination of nickel content--2 2-furil dioxime absorption photometric method |
Superseded Date: | 2006-10-11 |
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