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GB/T 223.66-1989 PDF English

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GB/T 223.66-1989: Methods for chemical analysis of iron, steel and alloy - The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content
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GB/T 223.66-1989English209 Add to Cart 3 days [Need to translate] Methods for chemical analysis of iron, steel and alloy - The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content

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Basic data

Standard ID GB/T 223.66-1989 (GB/T223.66-1989)
Description (Translated English) Methods for chemical analysis of iron, steel and alloy - The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H11
Classification of International Standard 77.08
Word Count Estimation 6,665
Date of Issue 3/31/1989
Date of Implementation 7/1/1990
Issuing agency(ies) State Bureau of Technical Supervision
Summary This standard specifies the thiocyanate - chlorpromazine hydrochloride - chloroform extraction spectrophotometric determination of tungsten content. This standard applies to carbon steel, measuring the amount of tungsten in low alloy steel. Measurement range 0. 0020% to 0. 100%.

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