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| Position: Chinese Standard in English/GB/T 1831-1979 |
| GB/T 1831-1979 Determination of silicon dioxide content in tin concentrates--Silicon molybdenum blue photometric method (English Version) | |||
| Standard No.: | GB/T 1831-1979 | Status: | abolished |
| Language: | English | File Format: | |
| Word Count: | 5500 words | Price(USD): | 180.00 remind me the price change |
| Implemented on: | 1980-9-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 1831-1979 |
| English Name: | Determination of silicon dioxide content in tin concentrates--Silicon molybdenum blue photometric method |
| Chinese Name: | 锡精矿中二氧化硅量的测定(硅钼蓝吸光光度法) |
| Chinese Classification: | D41 Light metal ore |
| Professional Classification: | GB National Standard |
| ICS Classification: | 17.180.20 Colours and measurement of light |
| Issued on: | 1979-01-02 |
| Implemented on: | 1980-9-1 |
| Status: | abolished |
| Superseded by: | GB/T 1819.12-2004 Methods for chemical analysis of tin concentrates - Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometric method |
| Superseded on: | 2004-7-1 |
| Abolished on: | 2004-07-01 |
| Language: | English |
| File Format: | |
| Word Count: | 5500 words |
| Price(USD): | 180.00 |
| Delivery: | via email in 1~3 business day |