Published
Specifies general requirements. Is primarily intended to be used in conjunction with ISO 4220 and ISO 4221 which give supplement details relating to means of sampling, the absorbing solution and the sampling procedure.
PUBLISHED
ISO 4219:1979
90.93
Standard confirmed
Sep 18, 2023
ABANDON
ISO/WD 4219
Air quality — Determination of gaseous sulphur compounds in ambient air — Sampling equipment
90.93 Standard confirmed