GB/T 223.10-1991Methods for chemical analysis of iron, steel and alloy--The cupferron separation-chrome azurol S photometric method for the determination of aluminium content (English PDF)
GB/T 223.10 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 223.10-2000 | Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content | Obsolete |
| GB/T 223.10-1991 | Methods for chemical analysis of iron, steel and alloy--The cupferron separation-chrome azurol S photometric method for the determination of aluminium content | Obsolete |
GB/T 223.10-1991 is obsolete. It has been replaced by GB/T 223.10-2000. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Recommended
Scope
GB/T 223.10-1991 (Methods for chemical analysis of iron, steel and alloy--The cupferron separation-chrome azurol S photometric method for the determination of aluminium content) is available as an English-translated PDF.
GB/T 223.10-1991 is the Chinese national standard "Methods for chemical analysis of iron, steel and alloy--The cupferron separation-chrome azurol S photometric method for the determination of aluminium content". It is obsolete: it has been replaced by GB/T 223.10-2000.
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Document preview — GB/T 223.10-1991
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Status: obsolete, replaced by GB/T 223.10-2000.
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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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Related Standards
GB/T 223.11-2025 — Iron, steel and alloy - Determination of chromium content - Titrimetric method and spectrophotometric method
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
GB/T 223.11-2008 — Iron, steel and alloy -- Determination of chromium content -- Visual titration or potentiometric titration method
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GB/T 223.10-1991
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