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| Position: Chinese Standard in English/GB 2139-1980 |
| GB 2139-1980 Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method (English Version) | |||
| Standard No.: | GB 2139-1980 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 1000 words | Price(USD): | 184.00 remind me the price change |
| Implemented on: | 1981-10-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 2139-1980 |
| English Name: | Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method |
| Chinese Name: | 碲中铅量的测定(双硫腙-四氯化碳萃取吸光光度法) |
| Chinese Classification: | H17 Semimetal and semiconductor material analysis method |
| Professional Classification: | GB National Standard |
| Implemented on: | 1981-10-1 |
| Status: | superseded |
| Superseded by: | YS/T 227.3-1994 Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method |
| Superseded on: | 1996-3-12 |
| Language: | English |
| File Format: | |
| Word Count: | 1000 words |
| Price(USD): | 184.00 |
| Delivery: | via email in 1~3 business day |