
WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).
NORMA vydaná dňa 14.6.1994
Designation standards: UNE-EN 25663:1994
Publication date standards: 14.6.1994
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE