The Determination of Low-Level Water in Transdermal Dosage Forms as Tyvek Laminates with an Evaporator Oven |
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Authors: | Stanton de Riel Imrana Mahmood Francisco Alvarez Shashank Mahashabde Sharad Govil |
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Affiliation: |
a Schering-Plough Research Institute, Kenilworth, New Jersey |
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Abstract: | An assay of water in adhesive monolithic transdermal drug dosage forms ('patches'), using lamination to Tyvek, and gaseous extraction in an evaporator oven into a Karl Fischer titrator, is described. The method is simple, linear, accurate, specific and more sensitive than alternatives. |
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