 |
Chinese Classification
Professional Classification
ICS Classification
Latest
News
Value-added Services
|
LoginRegister |
| Position: Chinese Standard in English/GB/T 7731.1-2021 |
| GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method (English Version) | |||
| Standard No.: | GB/T 7731.1-2021 | Status: | valid remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 5500 words | Price(USD): | 165.00 remind me the price change |
| Implemented on: | 2022-3-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 7731.1-2021 |
| English Name: | Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method |
| Chinese Name: | 钨铁 钨含量的测定 辛可宁重量法和硝酸铵重量法 |
| Professional Classification: | GB National Standard |
| Issued by: | SAMR; SAC |
| Issued on: | 2021-08-20 |
| Implemented on: | 2022-3-1 |
| Status: | valid |
| Superseding: | GB/T 7731.1-1987 Methods for chemical analysis of ferrotungsten. The cinchonine gravimetric method for the determination of tungsten content GB 7731.1-1987 Methods for chemical analysis of ferrotungsten-The cinchonine gravimetric method for the determination of tungsten content |
| Language: | English |
| File Format: | |
| Word Count: | 5500 words |
| Price(USD): | 165.00 |
| Delivery: | via email in 1~3 business day |