Abstract / scope
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.
Qualité de l'air — Détermination des composés soufrés gazeux dans l'air ambiant — Appareillage d'échantillonnage
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.