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| International Standard Category: Oxides |
YS/T 568.1-2006 Zirconium and hafnium oxides--Determination of zirconium(hafnium)oxide contents--Mandelic acid gravimetric method
氧化锆、GB文本氧化铪中氧化锆和氧化铪含量的测定(苦杏仁酸重量法) ;
| Category No.: | 71.060.20 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 2006-07-27 | |
| Implemented Date: | 2006-10-11 | Abolished Date: | |
| Superseded Standard.: | YS/T 568.1-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of zirconium oxide and hafnium oxide total content-Mandelic acid gravimetric method |
Superseded Date: | 2008-9-1 |
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