Delamination of natural vermiculite using oxalic acid

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F11%3A86080336" target="_blank" >RIV/61989100:27640/11:86080336 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Delamination of natural vermiculite using oxalic acid

Original language description

The present paper deals with influence of oxalic acid on vermiculite structure. The particles size less than 0.2 mm of natural powdered vermiculite from Brazil was used. Powdered natural vermiculite sample were treated for 60 and 180 minutes in water solution with oxalic acid at define temperature. Using the same condition the vermiculite particles was treated in deionised water. The cations Ca, Mg, K, Si and Al concentrations in filtrate were determined by the spectroscopy methods. The changes of vermiculite structure using X-ray diffraction analysis, infra-red spectroscopy and scanning electron microscopy with EDS detector were studied. Sample particle size and specific surface area were detected using laser granulometr. It was found that the oxalicacid solution has an impact on vermiculite structure and size of particle. Significant influence has an experimental temperature.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

JI - Composite materials

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

3rd International Conference NANOCON 2011

ISBN

978-80-87294-27-7

ISSN

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e-ISSN

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Number of pages

6

Pages from-to

287-292

Publisher name

Tanger

Place of publication

Ostrava

Event location

Brno

Event date

Sep 21, 2011

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

000306686700042