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International Standard Category: Oxides

GB/T 2590.1-1981    Zirconium and hafnium oxides;Determination of zirconium(hafnium)oxide contents;Mandelic acid gravimetric method
氧化锆,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:abolished
Issued Organization:chinania Issued Date:1981-06-07
Implemented Date:1982-3-1 Abolished Date:2007-09-29
Superseded Standard.:YS/T 568.1-2006 Zirconium and hafnium oxides--Determination of zirconium(hafnium)oxide contents--Mandelic acid gravimetric method
Superseded Date:2006-10-11
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