GB/T 223.18-1994: Methods for chemical analysis of iron steel and alloy - The sodium thiosulfate separation iodometric method for the determination of copper content

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Scope

This Standard specifies the sodium thiosulfate separation iodimetric method
for the determination of copper content.
This Standard is applicable to the determination of copper content in pig iron,
carbon steel, alloy steel, super alloy and precision alloy. The determination
range. 0.10% ~ 5.00%.

Basic Data

Standard ID	GB/T 223.18-1994 (GB/T223.18-1994)
Description (Translated English)	Methods for chemical analysis of iron steel and alloy - The sodium thiosulfate separation iodometric method for the determination of copper content
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H11
Classification of International Standard	77.08
Word Count Estimation	5,554
Date of Issue	1/17/1994
Date of Implementation	10/1/1994
Older Standard (superseded by this standard)	GB 223.18-1982
Issuing agency(ies)	State Bureau of Technical Supervision
Summary	This standard specifies the sodium thiosulfate separation - iodometric method for the determination of copper content. This standard applies to iron, carbon steel, alloy steel, high temperature alloys and copper alloys precision determination of the amount. Measuring range: 0. 10% to 5. 00%.