GB/T 223.31-1994Methods for chemical analysis of iron, steel and alloy. The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content (English PDF)
钢铁及合金化学分析方法 蒸馏分离-钼蓝分光光度法测定砷量
GB/T 223.31 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 223.31-2026 | Iron, steel and alloy - Determination of arsenic content - spectrophotometric method and iodimetric method | Valid |
| GB/T 223.31-2008 | Iron, steel and alloy - Determination of arsenic content - Distillation-molybdenum blue spectrophotometric method | Obsolete |
| GB/T 223.31-1994 | Methods for chemical analysis of iron, steel and alloy. The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content | Obsolete |
GB/T 223.31-1994 is obsolete. It has been replaced by GB/T 223.31-2008. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
January 17, 1994
Implementation date
October 1, 1994
Scope
GB/T 223.31-1994 is the English-translated version of 钢铁及合金化学分析方法 蒸馏分离-钼蓝分光光度法测定砷量.
GB/T 223.31-1994 is the Chinese national standard "Methods for chemical analysis of iron, steel and alloy. The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content".
It was issued on January 17, 1994 by the State Bureau of Technical Supervision, and took effect on October 1, 1994. It is obsolete: it has been replaced by GB/T 223.31-2008.
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Document preview — GB/T 223.31-1994
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1994-01-17.
Date of implementation: 1994-10-01.
Status: obsolete, replaced by GB/T 223.31-2008.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 34204-2025Coiled tubing
- GB/T 45981.3-2025Heavy casting and forging for heavy-duty gas turbine - Part 3: Steel castings
- GB/T 28417-2023Carbon bearing steel
- GB/T 42785-2023Bearing steel wire rod
- GB/T 24180-2020Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip
- GB/T 38885-2020General specification for ultra-high cleanliness of high carbon chromium bearing steel
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GB/T 223.31-1994
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