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Database: 189759 (19 Oct 2025)
GB/T 223.50-1994 English PDF
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GB/T 223.50-1994
: Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMAB direct photometric method for the determination of tin content
GB/T 223.50: Evolution and historical versions
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GB/T 223.50-1994
English
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Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMAB direct photometric method for the determination of tin content
GB/T 223.50-1994
GB 223.50-1985
English
199
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Methods for chemical analysis of iron, steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
Obsolete
GB 223.50-1985
PDF similar to GB/T 223.50-1994
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Basic data
Standard ID
GB/T 223.50-1994 (GB/T223.50-1994)
Description (Translated English)
Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMAB direct photometric method for the determination of tin content
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H11
Classification of International Standard
77.08
Word Count Estimation
5,520
Date of Issue
9/26/1994
Date of Implementation
6/1/1995
Older Standard (superseded by this standard)
GB 223.50-1985
Issuing agency(ies)
State Bureau of Technical Supervision
Summary
This standard specifies the use phenylfluorone - spectrophotometric determination of tin content directly cetyl trimethyl ammonium bromide. This standard applies to the determination of iron, carbon and low alloy steel tin content. Measurement range: 0. 0050% to 0. 20%.