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Analysis of Cosmetic Products Using Different IR Spectroscopy Techniques

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Pasieczna-Patkowska S., Olejnik T.
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
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2013
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vol. 68
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issue 1-2
EN
This article describes the application of IR spectroscopic methods in the study of the composition of finished cosmetic products. Four spectroscopic techniques: TS (transmission spectroscopy), PAS (photoacoustic spectroscopy), ATR (attenuated total reflectance) and DRS (diffuse reflectance spectroscopy) were used for this purpose. Tested cosmetic products were of different consistency and application. The choice of spectroscopic techniques was dictated by the physical state and consistency of the sample.
2
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FT-IR/PAS Study of Surface EDTA-ZnO Interactions

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Kuśmierz M., Pasieczna-Patkowska S.
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
|
2013
|
vol. 68
|
issue 1-2
EN
The interaction of EDTA disodium salt with zinc oxide was investigated by photoacoustic (PA) FT-IR. It was demonstrated that EDTA-III adsorbs on ZnO, and the process mimics behaviour of EDTA-oxide systems, in which IEPS of oxide catalytic supports is higher than 9. Model of the interaction, described in literature, was discussed.
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