GB/T 12689.1-1990Zinc and zinc alloys--Determination of aluminium content--EDTA titrimetric method (English PDF)
锌及锌合金化学分析方法 EDTA滴定法测定铝量
GB/T 12689.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 12689.1-2010 | Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chrome azurol S-polyethylene glycol octyl phenyl ether-ethyl pyridine bromine spectrophotometry, Chrome azurol S spectrophotometric method and EDTA titri | Valid |
| GB/T 12689.1-2004 | The methods for chemical analysis of zinc and zinc alloys - The determination of aluminum content - The chrome azurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometric method and chrome azurol S spectrophotometric method | Obsolete |
| GB/T 12689.1-1990 | Zinc and zinc alloys--Determination of aluminium content--EDTA titrimetric method | Obsolete |
GB/T 12689.1-1990 is obsolete. It has been replaced by GB/T 12689.1-2004. 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
December 30, 1990
Implementation date
January 1, 1992
Scope
GB/T 12689.1-1990 is the English-translated version of 锌及锌合金化学分析方法 EDTA滴定法测定铝量.
GB/T 12689.1-1990 is the Chinese national standard "Zinc and zinc alloys--Determination of aluminium content--EDTA titrimetric method". It was issued on December 30, 1990 by the State Bureau of Technical Supervision, and took effect on January 1, 1992. It is obsolete: it has been replaced by GB/T 12689.1-2004.
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Document preview — GB/T 12689.1-1990
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: 1990-12-30.
Date of implementation: 1992-01-01.
Status: obsolete, replaced by GB/T 12689.1-2004.
......
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 17101-2026Hot-dip zinc or zinc-base-alloy coated steel wires for bridge cables
- GB/T 13818-2024Die casting zinc alloys
- GB/T 13821-2023Zinc alloy die castings
- GB/T 1174-2022Cast bearing alloy
- GB/T 17101-2019Hot-dip zinc or zinc-aluminium coated steel wires for bridge cables
- GB/T 1175-2018Casting zinc alloys
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Related Standards
GB/T 12689.2-2004 — The methods for chemical analysis of zinc and zinc alloys--The determination of arsenic content--The atomic fluorescence spectrometer method
GB/T 12689.2-1990 — Zinc and zinc alloys--Determination of copper content--Lead diethyldithio-carbamate spectrophotometric method
GB/T 12689.3-2004 — The methods forchemical analysis of zinc and zinc alloys--The determination of cadmium content--The flame atomic absorption spectrometric method
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GB/T 12689.1-1990
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