GB/T 223.49-1994 English PDF

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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

GB/T 223.49: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 223.49-1994	179	Add to Cart	2 days	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 223.49-1985	RFQ	ASK	3 days	Methods for chemical analysis of iron, steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements	Obsolete

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GB/T 223.54   GB/T 223.5   GB/T 223.59   GB/T 223.60   GB/T 223.63   GB/T 223.37   

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 tarth content
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.08
Word Count Estimation: 5,562
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Older Standard (superseded by this standard): GB 223.49-1985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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