NBN T 94-501-1980
Determination of flueride content in ambient air

Standard No.

NBN T 94-501-1980

Release Date

1980

Published By

BE-NBN

Status

Be replaced

Replace By

NBN T 94-501-1984

Latest

NBN T 94-501-1984

Scope

This standard describes a sampling method as well as a process for determining the average concentration of gaseous fluorides and the average concentration of particulate fluorides soluble in the Tis B solution (4.3) in the ambient air for at least 4 a.m. The method is applicable for fluoride concentrations (in gaseous or particulate form) greater than 0.1 ug/m3.

NBN T 94-501-1980 history

• 1984 NBN T 94-501-1984 Determination of fluoride content in ambient air
• 1980 NBN T 94-501-1980 Determination of flueride content in ambient air