GB/T 19719-2026
首饰 镍释放量的测定 光谱法
Jewellery—Determination of the release of nickel—Method of spectrometry
- 实施日期
- 2026-11-01
- 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。
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GB/T 19719-2026
Jewellery—Determination of the release of nickel—Method of spectrometry
GB/T 14459-2026
Sampling inspection rules by attributes for precious metal adornment
GB 28480-2026
Jewellery—Technical requirements for safety
GB/T 45611-2025
Diamond—Testing and classification
GB/T 45030-2024
Shoushan stone—Tianhuang—Testing
GB/T 44910-2024
Amber grading
GB/T 44914-2024
Hetianyu grading
GB/T 44913-2024
Filled monocrystal gemstones—Identification and classification
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 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