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| Position: Chinese Standard in English/GB 6730.31-1986 |
| GB 6730.31-1986 Methods for chemical analysis of iron ores; The benzoylphenylhydroxylamine extraction photometric method for the determination of vanadium content (English Version) | |||
| Standard No.: | GB 6730.31-1986 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 2000 words | Price(USD): | 60.00 remind me the price change |
| Implemented on: | 1987-8-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 6730.31-1986 |
| English Name: | Methods for chemical analysis of iron ores; The benzoylphenylhydroxylamine extraction photometric method for the determination of vanadium content |
| Chinese Name: | 铁矿石化学分析方法 N-苯甲酰苯胲萃取光度法测定钒量 |
| Chinese Classification: | D31 Iron ore |
| Professional Classification: | GB National Standard |
| Issued by: | China State Bureau of Standards |
| Issued on: | 1986-08-19 |
| Implemented on: | 1987-8-1 |
| Status: | superseded |
| Superseded by: | GB/T 6730.31-2017 Iron ores--Determination of vanadium--N-benzoyl-N-phenylhydroxylamine extraction spectrophotometric method |
| Superseded on: | 2018-6-1 |
| Superseding: | GB 1376-1978 |
| Language: | English |
| File Format: | |
| Word Count: | 2000 words |
| Price(USD): | 60.00 |
| Delivery: | via email in 1~3 business day |