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2.3. Attenuated Total Reflectance Infrared Spectroscopy (ATR-IR)

SZ Siti Zarina Zakuwan
IA Ishak Ahmad
NT Nurfaizah Abu Tahrim
FM Faizal Mohamed
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Infrared spectra of the membrane samples were recorded with an ATR mode at ambient temperature in the range of 4000–700 cm–1 on a model 2000 Perkin Elmer instrument (Hopkinton, MA, USA) equipped with a diamond ATR crystal. For characterization, samples were cut into specimens of dimensions 1 cm × 1 cm × 0.2 cm and placed on the ATR plate to determine the possible interactions between the functional groups in the crosslinked gelatin–chitosan blend.

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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