
Recommended practice for spectrophotometric measurement of concentrations of organic direct dyes based on 4,4`-diaminodiphenyl - pure blue and black S - in the air of the working zone
STANDARD published on 30.12.1999
Designation standards: MUK 4.1.953-99
Publication date standards: 30.12.1999
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Russian technical standard
Category: MUK