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GB/T 12690.22-1990 English PDF

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GB/T 12690.22-1990: Rare-earth metals and their oxides--Determination of silicon oxide--Molybdenum blue spectrophotometric method
Status: Obsolete
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 12690.22-1990199 Add to Cart 2 days Rare-earth metals and their oxides--Determination of silicon oxide--Molybdenum blue spectrophotometric method Obsolete

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GB/T 11064.9   GB/T 11064.2   GB/T 13747.5   GB/T 12690.21   GB/T 12690.20   GB/T 12690.19   

Basic data

Standard ID: GB/T 12690.22-1990 (GB/T12690.22-1990)
Description (Translated English): Rare-earth metals and their oxides--Determination of silicon oxide--Molybdenum blue spectrophotometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H14
Word Count Estimation: 4,481
Date of Issue: 12/30/1990
Date of Implementation: 1/1/1992
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