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Chinese National Standard Category: Artistic handicrafts |
English Title: | Platinum jewellery alloys--Determination of platinum and palladium--Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime |
Chinese Title: | 铂合金首饰 铂、钯含量的测定 氯铂酸铵重量法和丁二酮肟重量法 |
Standard No.: | GB/T 19720-2005 |
Category No.: | Y88 |
Issued by: | AQSIQ; SAC |
Issued on: | 2005-03-23 |
Implemented on: | 2005-9-1 |
Status: | superseded |
Superseded by: | GB/T 19720-2024 Jewellery and precious metals—Determination of platinum and palladium—Gravimetry using ammonium chloride and dimethylglyoxime |
Superseded on: | 2024-10-1 |
Abolished on: | 2024-10-01 |
Superseding: | |
Word Count: | 3000 words |
Similar Standards: | T/CAQI 221-2021 GB/T 19959-2005 T/CAQI 134-2020 T/CAQI 76-2019 GB/T 11887-2000 GB/T 18043-2000 DB37/T 4115-2020 T/CAQI 222-2021 T/CSSGA 1030-2021 DB43/T 1296-2017 T/CSSGA 1030-2020 DB37/T 4114-2020 DZ/T 0224-2007 SN/T 3057.3-2013 GB/T 43447-2023 GB/T 18781-2023 GB/T 42220-2022 GB/T 42221-2022 GB/T 41609-2022 GB/T 41644-2022 |
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