TCVN 7172-2002
Stationary source emissions.Determination of the mass concentration of nitrogen oxides.Naphthylethylenediamine photometric method

Standard No.

TCVN 7172-2002

Release Date

2002

Published By

VN-TCVN

Latest

TCVN 7172-2002

TCVN 7172-2002 history

• 2002 TCVN 7172-2002 Stationary source emissions.Determination of the mass concentration of nitrogen oxides.Naphthylethylenediamine photometric method