GB/T 5686.4-1985Methods for chemical analysis of silicomanganese alloy--The molybdenum blue photometric method for the determination of phosphorus content (English PDF)
GB/T 5686.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 5686.4-2022 | Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue spectrophotometric method and bismuth phosphomolybdate blue spectrophotometric method | Valid |
| GB/T 5686.4-2008 | Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content titrimetric method | Obsolete |
| GB/T 5686.4-1998 | Methods for chemical analysis of silicomanganese --The phosphomolybdenum blue phtometric method for the determination of phosphorus content | Obsolete |
| GB/T 5686.4-1985 | Methods for chemical analysis of silicomanganese alloy--The molybdenum blue photometric method for the determination of phosphorus content | Obsolete |
GB/T 5686.4-1985 is obsolete. It has been replaced by GB/T 5686.4-1998. 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 5686.4-1985 (Methods for chemical analysis of silicomanganese alloy--The molybdenum blue photometric method for the determination of phosphorus content) is available as an English-translated PDF.
GB/T 5686.4-1985 is the Chinese national standard "Methods for chemical analysis of silicomanganese alloy--The molybdenum blue photometric method for the determination of phosphorus content". It is obsolete: it has been replaced by GB/T 5686.4-1998.
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Document preview — GB/T 5686.4-1985
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Status: obsolete, replaced by GB/T 5686.4-1998.
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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 5686.5-2023 — Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of carbon content—The Infrared absorption method,the gasometric method,the gravimetric method and the coulometric method
GB/T 5686.2-1985 — Methods for chemical analysis of silicomanganese alloy--The gravimetric method for the determination of silicon content
GB/T 5686.5-2008 — Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of carbon content - The infrared absorption method, the gasometric method, the gravimetric and the coulometric method
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GB/T 5686.4-1985
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