Zeta potential of Organic soil in Presence of Calcium Chloride, Cement and Polyvinyl Alcohol

In this study the influence of varoius dosage of cement, polyvinyl alcohol (PVA), and calcium chloride (CaCl2) on the zeta potential of organic soil has been examined. Two different PVA species were used, fully hydrolyzed (PVA-F) as well as partially hydrolyzed (PVA-T). As results, adding the PVA an...

Full description

Saved in:
Bibliographic Details
Published in:International journal of electrochemical science 2011-10, Vol.6 (10), p.4493-4503
Main Authors: Moayedi, Hossein, Asadi, Afshin, Huat, Bujang B K, Kazemian, Sina
Format: Article
Language:English
Subjects:
Cement
isoelectric point
organic soil
polyvinyl alcohol
zeta potential
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this study the influence of varoius dosage of cement, polyvinyl alcohol (PVA), and calcium chloride (CaCl2) on the zeta potential of organic soil has been examined. Two different PVA species were used, fully hydrolyzed (PVA-F) as well as partially hydrolyzed (PVA-T). As results, adding the PVA and cement dosage into the suspended colloids led to an increase of zeta potential in their surfaces, contrary to measuring done in water. In absence of CaCl2, zeta potential of organic soil immersed in PVA or cement showed a range between +22 to +211 mV at pH ~ 1.7 to 11.3, while, in presence of CaCl2 the variation of zeta potential was in a range of +25 to -110mV at pH ~2.2 to 10.3. Although, there was no IEP in presence of CaCl2 additives, a peak in zeta potential was observed for organic soil immersed in various electrolytes. Moreover, iso-electric point (IEP), for soil samples suspended in water is at pH about 3.1 to 3.3. However, the IEP of organic soil when is suspended in cement and/or PVA solution significantly decrease to the values about pH~1.9 to 2.0.
ISSN:1452-3981
1452-3981
DOI:10.1016/S1452-3981(23)18344-1