GB/T 13747.8-1992Zirconium and zirconium alloys. Determination of cobalt content. 1-Nitroso-2-hydroxy-3, 6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method (English PDF)
锆及锆合金化学分析方法 亚硝基R盐分光光度法测定钴量
GB/T 13747.8 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 13747.8-2017 | Methods for chemical analysis of zirconium and zirconium alloys - Part 8: Determination of cobalt content - Nitroso-R-salt spectrophotometry | Valid |
| GB/T 13747.8-1992 | Zirconium and zirconium alloys. Determination of cobalt content. 1-Nitroso-2-hydroxy-3, 6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method | Obsolete |
GB/T 13747.8-1992 is obsolete. It has been replaced by GB/T 13747.8-2017. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
November 5, 1992
Implementation date
June 1, 1993
Scope
GB/T 13747.8-1992 is the English-translated version of 锆及锆合金化学分析方法 亚硝基R盐分光光度法测定钴量.
GB/T 13747.8-1992 is the Chinese national standard "Zirconium and zirconium alloys. Determination of cobalt content. 1-Nitroso-2-hydroxy-3, 6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method".
It was issued on November 5, 1992 by the State Bureau of Technical Supervision, and took effect on June 1, 1993. It is obsolete: it has been replaced by GB/T 13747.8-2017.
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Document preview — GB/T 13747.8-1992
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1992-11-05.
Date of implementation: 1993-06-01.
Status: obsolete, replaced by GB/T 13747.8-2017.
......
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 13747.9-2022 — Methods for chemical analysis of zirconium and zirconium alloys - Part 9: Determination of magnesium content - Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
GB/T 13747.7-1992 — Zirconium and zirconium alloys. Determination of manganese content. Potassium periodate spectrophotometric method
GB/T 13747.9-1992 — Zirconium and zirconium alloys. Determination of magnesium content. Flame absorption spectrometric method
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GB/T 13747.8-1992
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