Riswaka Sudjaswadi
Department of Pharmaceutics, Faculty of Pharmacy, Universitas Gadjah Mada. Yogyakarta, Indonesia.

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The micromeritics parameter changing of three inhalation dosage forms Riswaka Sudjaswadi; Agatha Budi Susiana Lestari
Indonesian Journal of Pharmacy Vol 16 No 1, 2005
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (231.892 KB) | DOI: 10.14499/indonesianjpharm0iss0pp20-27

Abstract

Droplet and particle size measurements obtained after spraying of three inhalation aerosols dosage forms by microscopic methods, had been carried out, and their distributions had also been reported.The results showed that the geometric mean diameter ( dg ) is getting higher since the first spray to the last. Whilst the geometric standard deviation ( τg ) fluctuated preferably to the moderate polydispersity.Key words : inhalation aerosols, geometric diameter and standard deviation