GB/T 12690.23-1990 English PDF

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GB/T 12690.23-1990: Rare-earth metals and their oxides--Determination of acid soluble silicon oxide--Molybdenum blue spectrophotometric method
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12690.23-1990	199	Add to Cart	2 days	Rare-earth metals and their oxides--Determination of acid soluble silicon oxide--Molybdenum blue spectrophotometric method	Obsolete

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Basic data

Standard ID: GB/T 12690.23-1990 (GB/T12690.23-1990)
Description (Translated English): Rare-earth metals and their oxides--Determination of acid soluble silicon oxide--Molybdenum blue spectrophotometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H14
Word Count Estimation: 3,385
Date of Issue: 12/30/1990
Date of Implementation: 1/1/1992
Older Standard (superseded by this standard): YB 1509-1977

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