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| Position: Chinese Standard in English/GB 7731.4-1987 |
| GB 7731.4-1987 Methods for chemical analysis of ferrotungsten-The molybdenum blue photometric method for the determination of phosphorus content (English Version) | |||
| Standard No.: | GB 7731.4-1987 | Status: | superseded remind me the status change |
| Target Language: | English | File Format: | |
| Word Count: | 1500 words | Translation Price(USD): | 45.0 remind me the price change |
| Implemented on: | 1988-3-1 | Delivery: | via email in 1~3 business day |
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| Standard No.: | GB 7731.4-1987 |
| English Name: | Methods for chemical analysis of ferrotungsten-The molybdenum blue photometric method for the determination of phosphorus content |
| Chinese Name: | 钨铁化学分析方法 钼蓝光度法测定磷量 |
| Chinese Classification: | H11 Steel and iron alloy analysis method |
| Professional Classification: | GB National Standard |
| Source Content Issued by: | Ministry of Metallurgical Industry |
| Issued on: | 1987-03-31 |
| Implemented on: | 1988-3-1 |
| Status: | superseded |
| Superseded by: | GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method |
| Superseded on: | 2022-3-1 |
| Superseding: | YB 583-1965 |
| Target Language: | English |
| File Format: | |
| Word Count: | 1500 words |
| Translation Price(USD): | 45.0 |
| Delivery: | via email in 1~3 business day |