JB/T 6237.1-1992The electrical contact with the chemical analysis of silver chloride, silver precipitation - photometric measurements for silver content of dimethyl benzyl Kiro aminoalkylene tannins spectroscopic (English PDF)
电触头用银粉化学分析方法--氯化银沉淀--对二甲替氨基亚苄基罗丹宁分光光度法测定银量
JB/T 6237.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| JB/T 6237.1-2008 | Test methods for chemical analysis of silver powder for electric contact material—Part 1:Determination of silver content | Valid |
| JB/T 6237.1-1992 | The electrical contact with the chemical analysis of silver chloride, silver precipitation - photometric measurements for silver content of dimethyl benzyl Kiro aminoalkylene tannins spectroscopic | Obsolete |
JB/T 6237.1-1992 is obsolete. It has been replaced by JB/T 6237.1-2008. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Machinery Industry
Level / Type
Industry · Recommended
Issue date
June 26, 1992
Implementation date
January 1, 1993
Scope
JB/T 6237.1-1992 is the English-translated version of 电触头用银粉化学分析方法--氯化银沉淀--对二甲替氨基亚苄基罗丹宁分光光度法测定银量.
JB/T 6237.1-1992 is the Chinese industry standard "The electrical contact with the chemical analysis of silver chloride, silver precipitation - photometric measurements for silver content of dimethyl benzyl Kiro aminoalkylene tannins spectroscopic".
It was issued on June 26, 1992 by the Ministry of Machinery Industry, and took effect on January 1, 1993. It is obsolete: it has been replaced by JB/T 6237.1-2008.
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Document preview — JB/T 6237.1-1992
National Standard of the People's Republic of China
Issued by: Ministry of Machinery Industry
Contents
- Document data
1 Document data
Sector: Machinery (industry standard).
Issuing body: Ministry of Machinery Industry.
Date of issue: 1992-06-26.
Date of implementation: 1993-01-01.
Status: obsolete, replaced by JB/T 6237.1-2008.
......
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
JB/T 6237.2-2008 — Methods for chemical analysis of silver powder for contact materials - Part 2: Determination of copper content by cuprizone spectrophotometry
JB/T 6237.2-1992 — Electrical contact with the chemical analysis of silver. Bicyclic ketone has oxalyl dihydrazone spectrophotometric determination of copper content
JB/T 6237.3-2008 — Methods for chemical analysis of silver powder for contact materials - Part 3: Determination of iron content by phenanthroline spectrophotometry
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JB/T 6237.1-1992
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