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Database: 189759 (19 Oct 2025)
GB/T 223.7-2002 English PDF
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GB/T 223.7-2002
: Iron powder -- Determination of iron content -- Potassium dichromate titration method
Status: Valid
GB/T 223.7: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
GB/T 223.7-2002
English
209
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Iron powder -- Determination of iron content -- Potassium dichromate titration method
Valid
GB/T 223.7-2002
GB/T 223.7-1981
English
199
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2 days [Need to translate]
Determination of iron content in alloy and powder
Obsolete
GB/T 223.7-1981
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Basic data
Standard ID
GB/T 223.7-2002 (GB/T223.7-2002)
Description (Translated English)
Iron powder. Determination of iron content. Potassium dichromate titration method
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H11
Classification of International Standard
77.040.30
Word Count Estimation
8,860
Date of Issue
9/11/2002
Date of Implementation
2/1/2003
Older Standard (superseded by this standard)
GB/T 223.7-1981
Quoted Standard
GB/T 5314-1985; GB/T 12805-1991; GB/T 6379-1986
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary
This Standard specifies iron in iron content determined by potassium dichromate titration method. This Standard is applicable to the determination of the mass fraction of iron content greater than 96% of the iron powder.