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| Chinese National Standard Category: Precious metal ore |
| English Title: | Gold lump ores－Increment sampling and sample preparation－Manual method |
| Chinese Title: | 块矿取样和制样方法 手工方法 |
| Standard No.: | GB/T 13449-1992 |
| Category No.: | D46 |
| Issued by: | State Technical Supervision Bureau |
| Issued on: | 1992-04-24 |
| Implemented on: | 1992-12-1 |
| Status: | superseded |
| Superseded by: | GB/T 13449-2021 Method for sampling and sample preparation of gold lump ores |
| Superseded on: | 2021-11-1 |
| Abolished on: | 2021-11-01 |
| Superseding: | |
| Word Count: | 3500 words |
| Similar Standards: | T/CGA 39-2023 GB/T 20899.15-2023 GB/T 20899.8-2022 GB/T 7739.8-2022 GB/T 20899.7-2022 GB/T 7739.7-2022 GB/T 14352.24-2022 YS/T 3044-2022 YS/T 3045-2022 GB/T 20899.5-2021 GB/T 20899.4-2021 GB/T 20899.6-2021 GB/T 7739.4-2021 GB/T 7739.1-2019 GB/T 20899.1-2019 GB/T 20899.2-2019 GB/T 20899.3-2019 GB/T 7739.3-2019 GB/T 7739.2-2019 GB/T 7739.14-2019 |
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