GB/T 223.49-1994 English PDF
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 |
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Older Standard (superseded by this standard): GB 223.49-1985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%.