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Database: 189759 (19 Oct 2025)
GB/T 223.20-1994 English PDF
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GB/T 223.20-1994
: Methods for chemical analysis of iron steel and alloy. The Potentiometric titration method for the determination of cobalt content
GB/T 223.20: Evolution and historical versions
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Standard Title (Description)
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GB/T 223.20-1994
English
179
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Methods for chemical analysis of iron steel and alloy. The Potentiometric titration method for the determination of cobalt content
GB/T 223.20-1994
GB 223.20-1982
English
199
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Chemical analysis of iron, steel and alloy--The determination of cobalt by the potentiometric titration method
Obsolete
GB 223.20-1982
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Basic data
Standard ID
GB/T 223.20-1994 (GB/T223.20-1994)
Description (Translated English)
Methods for chemical analysis of iron steel and alloy. The Potentiometric titration method for the determination of cobalt content
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H11
Classification of International Standard
77.08
Word Count Estimation
5,582
Date of Issue
1/17/1994
Date of Implementation
10/1/1994
Older Standard (superseded by this standard)
GB 223.20-1982
Issuing agency(ies)
State Bureau of Technical Supervision
Summary
This standard specifies the determination of potentiometric titration of cobalt content. This standard applies to steel, high temperature alloys and precise determination of cobalt alloys. Measuring range: 3. 00% or more.