UNE 77216:1995 STATIONARY SOURCE EMISSIONS. DETERMINATION OF THE MASS CONCENTRATION OF SULFUR DIOXIDE. HYDROGEN PEROXIDE/BARIUM PERCHLORATE/THORIN METHOD.
2000UNE 77216/1M:2000 Stationary source emissions. Determination of the mass concentration of sulfur dioxide. Hydrogen peroxide/barium perchlorate/thorin method.
1995UNE 77216:1995 STATIONARY SOURCE EMISSIONS. DETERMINATION OF THE MASS CONCENTRATION OF SULFUR DIOXIDE. HYDROGEN PEROXIDE/BARIUM PERCHLORATE/THORIN METHOD.