I.S. EN ISO 10339:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
OPHTHALMIC OPTICS - CONTACT LENSES - DETERMINATION OF WATER CONTENT OF HYDROGEL LENSES
Hardcopy , PDF
15-06-2007
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Definitions
4 Procedure
5 Test report
Annex A (normative) Gravimetric determination of water content
of hydrogel lens by loss on drying using conventional oven
Annex B (informative) Gravimetric determination of water content
of hydrogel lens by loss on drying using microwave oven
Annex C (informative) Determination of water content of hydrogel
lens by refractive index
ANNEX ZA (normative) Normative references to international
publications with their corresponding European
publications
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