
Optics And Optical Instruments - Contact Lenses - Part 2: Determination Of Oxygen Permeability And Transmissibility By The Coulometric Method
出版:Osterreichisches Normungsinstitut

专家解读视频
Defines a coulometric procedure to determine oxygen permeability of rigid and non-hydrogel flexible contact lens materials and oxygen transmissibility of rigid and non-hydrogel flexible contact lenses. Describes methods for measurements and defines the conditions in which measurements are taken. Does not apply to hydrogel materials or hydrogel contact lenses.
DIN EN ISO 9913-2 (2000-04) - Identical
BS EN ISO 9913-2:2000 - Identical
SN EN ISO 9913-2:2000 - Identical
NEN EN ISO 9913-2:2000 - Identical
SS EN ISO 9913-2 Ed. 1 (2000) - Identical
UNE EN ISO 9913-2:2000 - Identical
ISO 9913-2:2000 - Identical
NS EN ISO 9913-2 Ed. 1 (2000) - Identical
UNI EN ISO 9913-2:2000 - Identical
NF EN ISO 9913-2:2000 - Identical
NBN EN ISO 9913-2:2000 - Identical
I.S. EN ISO 9913-2:2000 - Identical