The influence of pH on organovermiculite structure stability
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F14%3A86092429" target="_blank" >RIV/61989100:27640/14:86092429 - isvavai.cz</a>
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0169131714000866" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0169131714000866</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.clay.2014.03.008" target="_blank" >10.1016/j.clay.2014.03.008</a>
Alternative languages
Result language
angličtina
Original language name
The influence of pH on organovermiculite structure stability
Original language description
There is a large amount of research and application studies in the topic of organically modified vermiculites and their properties. In this work, the stability of two organovermiculites, one modified with hexadecyltrimethylammonium (HDTMA(+)) and the other modified with hexadecylpyridinium (HDP+) ions, was investigated at pH values from 1 to 14 at laboratory temperature. The organovermiculites in the pH range of 4-10 were stable. In addition, the HDTMA(+)-vermiculite was stable in strong alkaline mediaand under extreme acidic conditions as well. However, HDP+-vermiculite underwent significant decomposition when exposed to strong acidic or alkaline conditions (pH 1,2 and 12,14). The prepared and tested materials were investigated using X-ray diffraction (XRD) method, Fourier transform infrared (FTIR) spectrometry, total organic carbon content (TOC), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The leaching of structural cations was determined as well.
Czech name
—
Czech description
—
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
—
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Applied Clay Science
ISSN
0169-1317
e-ISSN
—
Volume of the periodical
93-94
Issue of the periodical within the volume
květen 2014
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
6
Pages from-to
17-22
UT code for WoS article
000335618100004
EID of the result in the Scopus database
—