GB/T 5686.1-1988Methods for chemical analysis of silicomanganese alloy--The potentiometric titration method for the determination of manganese content (English PDF)
锰硅合金化学分析方法 电位滴定法测定锰量
GB/T 5686.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 5686.1-2022 | Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method, titrimetric method after ammonium nitrate oxidation and titrimetric method after perchloric acid oxid | Valid |
| GB/T 5686.1-2008 | Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric method after ammonium nitrate and perchloric acid oxidation | Obsolete |
| GB/T 5686.1-1988 | Methods for chemical analysis of silicomanganese alloy--The potentiometric titration method for the determination of manganese content | Obsolete |
GB/T 5686.1-1988 is obsolete. It has been replaced by GB/T 5686.1-2008. 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
September 20, 1988
Implementation date
January 1, 1990
Scope
GB/T 5686.1-1988 is the English-translated version of 锰硅合金化学分析方法 电位滴定法测定锰量.
GB/T 5686.1-1988 is the Chinese national standard "Methods for chemical analysis of silicomanganese alloy--The potentiometric titration method for the determination of manganese content".
It was issued on September 20, 1988 by the State Bureau of Technical Supervision, and took effect on January 1, 1990. It is obsolete: it has been replaced by GB/T 5686.1-2008.
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Document preview — GB/T 5686.1-1988
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: 1988-09-20.
Date of implementation: 1990-01-01.
Status: obsolete, replaced by GB/T 5686.1-2008.
......
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
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Related Standards
GB/T 5686.2-2022 — Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric method
GB/T 5686.2-2008 — Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of silicon content - Molybdenum blue photometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetri
GB/T 5686.2-1985 — Methods for chemical analysis of silicomanganese alloy--The gravimetric method for the determination of silicon content
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GB/T 5686.1-1988
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