GB/T 7493-1987

Water quality--Determination of nitrogen(nitrite)--Spectrophotometric method

STANDARD published on 6.3.1987

English, Chinese -
electronic design (pdf) (250.80 USD)

The information about the standard:

Designation standards: GB/T 7493-1987
Publication date standards: 6.3.1987
Country: Chinese technical standard
Category: Technical standards GB