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| Chinese National Standard Category: Other non-metal ore |
| English Title: | Gems testing—Ultraviolet-visible absorbtion spectroscopy |
| Chinese Title: | 珠宝玉石鉴定 紫外-可见吸收光谱法 |
| Standard No.: | GB/T 42645-2023 |
| Category No.: | D59 |
| Issued by: | SAMR; SAC |
| Issued on: | 2023-05-23 |
| Implemented on: | 2023-12-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 33000 words |
| Similar Standards: | GB/T 45611-2025 DB32/T 4613-2023 GB/T 42433-2023 GB/T 42437-2023 GB/T 42438-2023 GB/T 42645-2023 DB15/T 325-2023 DB15/T 502-2023 GB/T 41760-2022 DZ/T 0064.59-2021 DZ/T 0064.4-2021 DZ/T 0064.91-2021 DZ/T 0064.9-2021 DZ/T 0064.90-2021 DZ/T 0064.89-2021 DZ/T 0064.88-2021 DZ/T 0064.87-2021 DZ/T 0064.86-2021 DZ/T 0064.85-2021 DZ/T 0064.84-2021 |
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