GB/T 43719-2024
首饰和贵金属 钯含量的测定 丁二酮肟重量法
Jewellery and precious metals—Determination of palladium—Gravimetry using dimethylglyoxime
- 实施日期
- 2024-10-01
- ICS 分类
- 39.060
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 181 条
GB/T 43719-2024
Jewellery and precious metals—Determination of palladium—Gravimetry using dimethylglyoxime
GB/T 19720-2024
Jewellery and precious metals—Determination of platinum and palladium—Gravimetry using ammonium chloride and dimethylglyoxime
GB/T 43589-2023
Gold alloys adornment—Determination of multi-element contents—Laser ablation-inductively coupled plasma mass spectrometry
GB/T 43569-2023
Jewellery and precious metals—Sampling of precious metals and precious metal alloys
GB/T 43447-2023
Jewellery—Colours of gold alloys—Definition,range of colours and designation
GB/T 34837-2017
GB/T 26716-2023
Horology—Magnetic resistant watches
GB/T 42826-2023
Radio-controlled clocks—Signal receiving measurement method
GB/T 42951-2023
Timekeeping instruments—Watch external parts made of hard material—General requirements and test methods
GB/T 42947-2023
Test methods of reliability for watch movements
GB/T 42438-2023
Service specification for gems and jade traceability system
GB/T 42437-2023
Nanhong—Testing
GB/T 42433-2023
Gem testing—Infrared spectroscopy method
GB/T 42645-2023
Gems testing—Ultraviolet-visible absorbtion spectroscopy
GB/T 18781-2023
Cultured pearl grading
GB/T 42220-2022
Appraisal for precious metal besetting jades process quality
GB/T 42221-2022
Jewellery—Consumer confidence in the diamond industry
GB/T 6046-2016
GB/T 6044-2016
GB/T 22780-2017