Normas ISO

Air quality -- Determination of mass concentration of sulphur dioxide in ambient air -- Thorin spectrophotometric method

Ambient air -- Determination of a gaseous acid air pollution index -- Titrimetric method with indicator or potentiometric end-point detection

Air quality -- Determination of gaseous sulphur compounds in ambient air -- Sampling equipment

Furniture -- Tests for surfaces-- Part 4: Assessment of resistance to impact

Furniture -- Tests for surface finishes-- Part 3: Assessment of resistance to dry heat

Furniture -- Tests for surfaces-- Part 2: Assessment of resistance to wet heat