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| Position: Chinese Standard in English/GB 6730.21-1986 |
| GB 6730.21-1986 Method for chemical analysis of iron ores - The potassium periodate photometric method for the determination of manganese content (English Version) | |||
| Standard No.: | GB 6730.21-1986 | Status: | abolished remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 3000 words | Price(USD): | 90.0 remind me the price change |
| Implemented on: | 1987-8-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 6730.21-1986 |
| English Name: | Method for chemical analysis of iron ores - The potassium periodate photometric method for the determination of manganese content |
| Chinese Name: | 铁矿石化学分析方法 高碘酸钾光度法测定锰量 |
| Chinese Classification: | D31 Iron ore |
| Professional Classification: | GB National Standard |
| Issued by: | SAC |
| Issued on: | 1986-8-19 |
| Implemented on: | 1987-8-1 |
| Status: | abolished |
| Superseded by: | GB/T 6730.21-2016 Iron ores―Determination of manganse content―Potassium periodate spectrophotometric method |
| Superseded on: | 2017-9-1 |
| Abolished on: | 2017-09-01 |
| Superseding: | GB 1370-1978 |
| Language: | English |
| File Format: | |
| Word Count: | 3000 words |
| Price(USD): | 90.0 |
| Delivery: | via email in 1~3 business day |