DS DS/EN ISO 9913-2
DS DSEN SO 9913-2 2000-MAY-05 Optcs and optcal nstruments - Contact lenses - Part 2 Determnaton of oxygen permeablty and transmssblty by the coulometrc method Replaced by DS DSEN SO 18369-4
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This part of ISO 9913 describes a coulometric method for the determination of oxygen permeability of both rigid and non-hydrogel flexible contact lens materials and oxygen transmissibility of rigid and non-hydrogel flexible contact lenses.