کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
610550 | 880652 | 2009 | 10 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: pH-dependent surface charging and points of zero charge. IV. Update and new approach pH-dependent surface charging and points of zero charge. IV. Update and new approach](/preview/png/610550.png)
The recently published points of zero charge (PZC) and isoelectric points (IEPs) of various materials are compiled to update the previous compilation [M. Kosmulski, Surface Charging and Points of Zero Charge, CRC Press, Boca Raton, FL, 2009]. Unlike in previous compilations by the same author [Chemical Properties of Material Surfaces, Dekker, New York, 2001; J. Colloid Interface Sci. 253 (2002) 77; J. Colloid Interface Sci. 275 (2004) 214; J. Colloid Interface Sci. 298 (2006) 730], the materials are sorted not only by the chemical formula, but also by specific product, that is, by brand name (commercially available materials), and by recipe (home-synthesized materials). This new approach indicated that the relatively consistent PZC/IEP reported in the literature for materials having the same chemical formula are due to biased choice of specimens to be studied. Specimens which have PZC/IEP close to the “recommended” value are selected more often than other specimens (PZC/IEP not reported before or PZC/IEP reported, but different from the “recommended” value). Thus, the previously published PZC/IEP act as a self-fulfilling prophecy.
Specimens of goethite, for which PZC/IEP has been reported.Figure optionsDownload as PowerPoint slide
Journal: Journal of Colloid and Interface Science - Volume 337, Issue 2, 15 September 2009, Pages 439–448