GB/T 223.9-1989Methods for chemical analysis of iron, steel and alloy - The chrome azurol S photometric method for the determination of aluminium content (English PDF)

GB/T 223.9-1989 (Methods for chemical analysis of iron, steel and alloy - The chrome azurol S photometric method for the determination of aluminium content) is available as an English-translated PDF.

GB/T 223.9-1989 is the Chinese national standard "Methods for chemical analysis of iron, steel and alloy - The chrome azurol S photometric method for the determination of aluminium content". It is obsolete: it has been replaced by GB/T 223.9-2000.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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