 |
Chinese Classification
Professional Classification
ICS Classification
Latest
News
Value-added Services
|
LoginRegister |
| Position: Chinese Standard in English/GB/T 7731.1-1987 |
| GB/T 7731.1-1987 Methods for chemical analysis of ferrotungsten. The cinchonine gravimetric method for the determination of tungsten content (English Version) | |||
| Standard No.: | GB/T 7731.1-1987 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | Price(USD): | 110.00 remind me the price change | |
| Implemented on: | Delivery: | ||
| Standard No.: | GB/T 7731.1-1987 |
| English Name: | Methods for chemical analysis of ferrotungsten. The cinchonine gravimetric method for the determination of tungsten content |
| Professional Classification: | GB National Standard |
| Status: | superseded |
| Superseded by: | GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method |
| Superseded on: | 2022-3-1 |
| Language: | English |
| File Format: | |
| Price(USD): | 110.00 |