UNE 77228:2002

Stationary source emissions. Determination of the mass concentration of nitrogen oxides. Naphthylethylenediamine photometric method.

NORMA vydaná dňa 22.1.2002

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The information about the standard:

Designation standards: UNE 77228:2002
Publication date standards: 22.1.2002
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE