YS/T 254.7-1994Methods for chemical analysis of beryllium concentrates-beryl The gravimetric method for the determination of water content (English PDF)
铍精矿-绿柱石化学分析方法 重量法测定水分量
YS/T 254.7 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 254.7-2025 | Methods for chemical analysis of beryllium concentrate and beryl—Part 7: Determination of moisture content—Gravimetry | Valid |
| YS/T 254.7-2011 | Methods for chemical analysis of beryllium concentrate and beryl—Part 7:Determination of water content—Gravimetric method | Obsolete |
| YS/T 254.7-1994 | Methods for chemical analysis of beryllium concentrates-beryl The gravimetric method for the determination of water content | Obsolete |
YS/T 254.7-1994 is obsolete. It has been replaced by YS/T 254.7-2011. 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 254.7-1994 is the English-translated version of 铍精矿-绿柱石化学分析方法 重量法测定水分量.
YS/T 254.7-1994 is the Chinese industry standard "Methods for chemical analysis of beryllium concentrates-beryl The gravimetric method for the determination of water content". It is obsolete: it has been replaced by YS/T 254.7-2011.
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Document preview — YS/T 254.7-1994
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Status: obsolete, replaced by YS/T 254.7-2011.
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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 254.8-2023 — Methods for chemical analysis of beryllium concentrate and beryl - Part 8: Determination of beryllium oxide, ferric oxide, calcium oxide and phosphorus content Inductively coupled plasma atomic emission spectrometry
YS/T 254.6-1994 — Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for the determination of calcium oxide content
YS/T 254.6-2011 — Methods for chemical analysis of beryllium concentrate and beryl. Part 6: Determination of calcium oxide content. Flame atomic absorption spectrometry
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YS/T 254.7-1994
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