GB/T 19720-2005Platinum jewellery alloys - Determination of platinum and palladium - Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime (English PDF)
铂合金首饰 铂、钯含量的测定 氯铂酸铵重量法 丁二酮肟重量法
GB/T 19720 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 19720-2024 | Jewellery and precious metals - Determination of platinum and palladium - Gravimetry using ammonium chloride and dimethylglyoxime | Valid |
| GB/T 19720-2005 | Platinum jewellery alloys - Determination of platinum and palladium - Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime | Obsolete |
GB/T 19720-2005 is obsolete. It has been replaced by GB/T 19720-2024. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
March 23, 2005
Implementation date
September 1, 2005
Scope
GB/T 19720-2005 is the English-translated version of 铂合金首饰 铂、钯含量的测定 氯铂酸铵重量法 丁二酮肟重量法.
GB/T 19720-2005 is the Chinese national standard "Platinum jewellery alloys - Determination of platinum and palladium - Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime".
It was issued on March 23, 2005 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on September 1, 2005. It is obsolete: it has been replaced by GB/T 19720-2024.
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Document preview — GB/T 19720-2005
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2005-03-23.
Date of implementation: 2005-09-01.
Status: obsolete, replaced by GB/T 19720-2024.
......
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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