YS/T 248.2-1985Methods for chemical analysis of crude lead pyrocatechol violet spectrophotometric determination of tin content (English PDF)
YS/T 248.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 248.2-2007 | Methods for chemical analysis of crude lead. Determination of tin content. Phenylfuorone photometric method and potassium iodate titrimetric method | Valid |
| YS/T 248.2-1985 | Methods for chemical analysis of crude lead pyrocatechol violet spectrophotometric determination of tin content | Obsolete |
YS/T 248.2-1985 is obsolete. It has been replaced by YS/T 248.2-2007. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Recommended
Scope
YS/T 248.2-1985 (Methods for chemical analysis of crude lead pyrocatechol violet spectrophotometric determination of tin content) is available as an English-translated PDF.
YS/T 248.2-1985 is the Chinese industry standard "Methods for chemical analysis of crude lead pyrocatechol violet spectrophotometric determination of tin content". It is obsolete: it has been replaced by YS/T 248.2-2007.
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Document preview — YS/T 248.2-1985
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Status: obsolete, replaced by YS/T 248.2-2007.
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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
YS/T 248.3-2007 — Methods for chemical analysis of crude lead. Determination of antimony content. Flame atomic absorption spectrometric method
YS/T 248.1-1985 — Determination of lead content of crude lead EDTA volumetric method for chemical analysis
YS/T 248.3-1985 — Determination of the amount of crude lead antimony chemical analysis of cerium sulfate volumetric method
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YS/T 248.2-1985
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