SN/T 0838.5-1999Boric acid and borax for export. Determination of copper content (English PDF)
出口硼酸和硼砂 铜含量的测定
SN/T 0838.5 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| SN/T 0838.5-2015 | Determination of copper in boric acid and borax for import and export. Flame atomic absorption spectrometry | Valid |
| SN/T 0838.5-1999 | Boric acid and borax for export. Determination of copper content | Obsolete |
SN/T 0838.5-1999 is obsolete. It has been replaced by SN/T 0838.5-2015. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
CIQ
Level / Type
National · Recommended
Issue date
December 30, 1999
Implementation date
May 1, 2000
Scope
SN/T 0838.5-1999 is the English-translated version of 出口硼酸和硼砂 铜含量的测定.
SN/T 0838.5-1999 is the Chinese industry standard "Boric acid and borax for export. Determination of copper content". It was issued on December 30, 1999 by CIQ, and took effect on May 1, 2000. It is obsolete: it has been replaced by SN/T 0838.5-2015.
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Document preview — SN/T 0838.5-1999
National Standard of the People's Republic of China
Issued by: CIQ
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Issuing body: CIQ.
Date of issue: 1999-12-30.
Date of implementation: 2000-05-01.
Status: obsolete, replaced by SN/T 0838.5-2015.
......
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
SN/T 0838.4-1999 — Boric acid and borax for export. Determination of manganese content
SN/T 0838.4-2015 — Determination of manganese in boric acid and borax for import and export - Flame atomic absorption spectrometry
SN/T 0838.3-1999 — Boric acid and borax for export. Determination of nickel content
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SN/T 0838.5-1999
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