YB/T 4220-2010Vanadium pentoxide. Determination of sodium oxide and potassium oxide content. The inductively coupled plasma atomic emission spectrometry (English PDF)
五氧化二钒 氧化钾、氧化钠含量的测定 电感耦合等离子体原子发射光谱法
YB/T 4220 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YB/T 4220-2026 | Vanadium pentoxide. Determination of sodium oxide and potassium oxide content. The inductively coupled plasma atomic emission spectrometry | Valid |
| YB/T 4220-2010 | Vanadium pentoxide. Determination of sodium oxide and potassium oxide content. The inductively coupled plasma atomic emission spectrometry | Obsolete |
YB/T 4220-2010 is obsolete. It has been replaced by YB/T 4220-2026. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
November 22, 2010
Implementation date
March 1, 2011
Scope
YB/T 4220-2010 is the English-translated version of 五氧化二钒 氧化钾、氧化钠含量的测定 电感耦合等离子体原子发射光谱法.
YB/T 4220-2010 is the Chinese industry standard "Vanadium pentoxide. Determination of sodium oxide and potassium oxide content. The inductively coupled plasma atomic emission spectrometry".
It was issued on November 22, 2010 by the Ministry of Industry and Information Technology, and took effect on March 1, 2011. It is obsolete: it has been replaced by YB/T 4220-2026.
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Document preview — YB/T 4220-2010
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology
Contents
- Document data
1 Document data
Sector: Ferrous Metallurgy (industry standard).
Issuing body: Ministry of Industry and Information Technology.
Date of issue: 2010-11-22.
Date of implementation: 2011-03-01.
Status: obsolete, replaced by YB/T 4220-2026.
......
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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