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Journal of Thermal Analysis and Calorimetry
Authors: M. Prochon, G. Janowska, A. Przepiorkowska, and A. Kucharska-Jastrzabek

Waste keratin, K, was examined by means of elementary analysis, particle size, thermal analysis, Zeta potential, and IR spectroscopy. The presented absorption maxima confirm the presence of characteristic bands derived from peptide bonds of

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/or mixing, and subsequently, to the zeta potential specially originated as PC hydration progresses), respectively; in pozzolan C , by contrast, the value was not only lower than in PC1, but also lower than would be expected if the 40% pozzolan in the blend

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, zeta potential, dielectric constant, and migration time. Methanol is usually added to the BGE solution to increase the solubility of the solute or other additives and also to affect the ionization degree of the sample components. However, its

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time. Peaks: (■) 5-HT; (●) Tyr; (▲) DA The pH value of the sodium citrate buffer can influence the Zeta potential and the charge of the solute, resulting in the difference of separation effect. Different pH values (7.8, 8.5, 9.1, 9.6, 10.0, 10.6) of

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method, Zeta potential stability Experimental ( k , µ ) TiO 2 20 nm [ 20 ] Two step method Experimental and correlations Al 2 O 3 40–50 nm [ 21 ] Co-precipitation methods. Use sodium dodecyl Correlations Fe 2 O 3 10 nm [ 22 ] Two step method Not clear

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that are negatively charged, which causes repulsion to occur. The coagulant is added to stabilize the colloid particles so that there is no repulsive force. Usually, the added coagulant is a poly-electrolyte that causes the zeta potential of the colloid

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.M ., Gaysinksy , S ., Davidson , P.M ., Bruce , B.D . & Weiss , J . ( 2007 ): Characterization of antimicrobial bearing liposomes by zeta-potential, vesicle size and encapsulation efficiency . Food Biophys ., 4 , 1 – 9 . 10.1007/s11483-007-9023-x

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