NEN-EN-ISO 9913-2
Optics and optical instruments - Contact lenses - Part 2: Determination of oxygen permeability and transmissibility by the coulometric method
inactive
| Organization: | NEN |
| Publication Date: | 1 October 1997 |
| Status: | inactive |
| Page Count: | 20 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
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. It specifies the procedure for making the measurements and establishes the conditions under which measurements are made.
Document History
March 1, 2000
Optics and optical instruments - Contact lenses - Part 2: Determination of oxygen permeability and transmissibility by the coulometric method
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...
NEN-EN-ISO 9913-2
October 1, 1997
Optics and optical instruments - Contact lenses - Part 2: Determination of oxygen permeability and transmissibility by the coulometric method
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...