GB 2139-1980

Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method

STANDARD published on 1.1.1980

English, Chinese -
electronic design (pdf) (248.80 USD)

The information about the standard:

Designation standards: GB 2139-1980
Note: WITHDRAWN
Publication date standards: 1.1.1980
Country: Chinese technical standard
Category: Technical standards GB