GB/T 223.63-1988: Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content

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Scope

After the specimen is dissolved in the acid, use sodium (potassium) periodate to
oxidize the manganese in the sulfuric acid or phosphoric acid medium into heptavalent;
then measure its absorbance.

Basic Data

Standard ID	GB/T 223.63-1988 (GB/T223.63-1988)
Description (Translated English)	Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H11
Classification of International Standard	77.08
Word Count Estimation	4,463
Date of Issue	2/5/1988
Date of Implementation	2/1/1989
Older Standard (superseded by this standard)	GB 223.4-1981
Issuing agency(ies)	National Bureau of Standards
Summary	This standard applies to pig iron, iron, carbon steel, alloy steel, high temperature alloys, precision determination of the amount of manganese alloys. Measuring range: 0. 010% to 2. 00%.