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GB/T 223.49-1994 PDF English

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GB/T 223.49-1994: Methods for chemical analysis of iron, steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare earth content
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GB/T 223.49: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
GB/T 223.49-1994English179 Add to Cart 2 days [Need to translate] Methods for chemical analysis of iron, steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare earth content
GB 223.49-1985EnglishRFQ ASK 3 days [Need to translate] Methods for chemical analysis of iron, steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements

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Basic data

Standard ID GB/T 223.49-1994 (GB/T223.49-1994)
Description (Translated English) Methods for chemical analysis of iron, steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare earth content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H11
Classification of International Standard 77.08
Word Count Estimation 5,589
Date of Issue 9/26/1994
Date of Implementation 6/1/1995
Older Standard (superseded by this standard) GB 223.49-1985
Issuing agency(ies) State Bureau of Technical Supervision
Summary This standard specifies the PMBP-benzene extraction separation - Chlorophosphonazo mA Determination of total rare earths. This standard applies to carbon steel, alloy steel, high temperature alloys and precision determination of total rare earth alloys. Measurement range: 0. 0010% to 0. 20%.

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