16/30310665 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN ISO 18369-4 - OPHTHALMIC OPTICS - CONTACT LENSES - PART 4: PHYSICOCHEMICAL PROPERTIES OF CONTACT LENS MATERIALS
Hardcopy , PDF
31-10-2017
English
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Physicochemical properties of contact
lenses
5 Test report
Annex A (informative) - Determination of oxygen
permeability using the coulometric method
Annex B (informative) - Determination of water
content by refractive index
Annex C (informative) - Calculation of oxygen permeability
of hydrogel lenses based on water content
Annex D (informative) - Measurement of refractive
index using a prism coupling device
Bibliography
BS EN ISO 18369-4.
| Committee |
CH/172/9
|
| DocumentType |
Draft
|
| Pages |
43
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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