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I.S. EN ISO 10339:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

OPHTHALMIC OPTICS - CONTACT LENSES - DETERMINATION OF WATER CONTENT OF HYDROGEL LENSES

Available format(s)

Hardcopy , PDF

Superseded date

15-06-2007

Superseded by

I.S. EN ISO 18369-4:2007

Language(s)

English

Published date

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.

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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

Covers procedures for determining water content of hydrogel contact lenses. Defines methods and determines conditions for making measurements.

DocumentType
Standard
Pages
22
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

EN ISO 10344 : 1998 OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - SALINE SOLUTION FOR CONTACT LENS TESTING
ISO 8320:1986 Optics and optical instruments — Contact lenses — Vocabulary and symbols
ISO 10344:1996 Optics and optical instruments Contact lenses Saline solution for contact lens testing

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