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GB/T 12690.10-2003 English PDF

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GB/T 12690.10-2003: Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides -- Determination of phosphorus content by molybdenum blue spectrophotometric method
Status: Valid

GB/T 12690.10: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 12690.10-2003English159 Add to Cart 3 days [Need to translate] Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides -- Determination of phosphorus content by molybdenum blue spectrophotometric method Valid GB/T 12690.10-2003
GB/T 12690.10-1990English199 Add to Cart 2 days [Need to translate] Gadolinium oxide--Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide and yttrium oxide contents--Emission spectrographic method Obsolete GB/T 12690.10-1990

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Basic data

Standard ID GB/T 12690.10-2003 (GB/T12690.10-2003)
Description (Translated English) Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides. Determination of phosphorus content by molybdenum blue spectrophotometric method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H14;H65
Classification of International Standard 77.120.99
Word Count Estimation 6,694
Date of Issue 2003-11-18
Date of Implementation 2004-06-01
Older Standard (superseded by this standard) GB/T 12690.21-1990
Regulation (derived from) Chinese national standard approved by the announcement in 2004 No. 1 (No. 63 overall)
Summary This standard specifies: phosphorus content of rare earth metals and their oxides Determination. This standard applies to: rare earth metals and their oxides phosphorus content determined. Measuring range (mass fraction)

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