GB/T 12690.5-1990

Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--X ray fluorescence spectrometric method

STANDARD published on 1.1.1990

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The information about the standard:

Designation standards: GB/T 12690.5-1990
Note: WITHDRAWN
Publication date standards: 1.1.1990
Country: Chinese technical standard
Category: Technical standards GB