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Determination of unpolymerized methyl methacrylate in contact lenses by headspace gas chromatography (1993)

Tashkov, W. ; Getchev, V.

Springer

Chromatographia 37 (1993), S. 546-548

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ISSN: 1612-1112

Keywords: Gas chromatography ; Headspace sampling ; Methyl methacrylate monomer ; Contact lens

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary A modified gas chromatographic method is described for the determination of free monomer in contact lenses, irrespective of the method of production. It thus becomes possible to assess very quickly the conformity of such lenses with hygiene regulations. This method allows direct supervision of production or determination of the quality of a product of unknown origin in only 15 min. Production tests of new polymerization initiators, reactors for polymerization, etc. can also be carried out.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02275795

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