Source:http://linkedlifedata.com/resource/pubmed/id/19091552
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
2009-1-12
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pubmed:abstractText |
The guava seed (SEGUVE) was characterized by ultimate and proximate analysis. In SEGUVE the principal thermal effect occurred at 363 degrees C and this can be attributed to the cellulose degradation, which was the main component ( approximately 61%). The guava seed has an acidic character with a high content of bulk functional groups (CO) and these characteristics were affected by carbonization. Two samples of carbon were prepared from the seeds at 600 and 1000 degrees C without chemical activation. Adsorption of eight acid dyes belonging to the monoazo and anthraquinone class was studied at 25 degrees C. The non-carbonized SEGUVE adsorbed the acid dyes more efficiently than SEGUVE-C600 and SEGUVE-C1000 although the specific surface of the raw material SEGUVE was low.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1873-2976
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:volume |
100
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2111-7
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pubmed:meshHeading |
pubmed-meshheading:19091552-Acids,
pubmed-meshheading:19091552-Adsorption,
pubmed-meshheading:19091552-Biodegradation, Environmental,
pubmed-meshheading:19091552-Carbon,
pubmed-meshheading:19091552-Coloring Agents,
pubmed-meshheading:19091552-Differential Thermal Analysis,
pubmed-meshheading:19091552-Models, Chemical,
pubmed-meshheading:19091552-Nitrogen,
pubmed-meshheading:19091552-Psidium,
pubmed-meshheading:19091552-Seeds,
pubmed-meshheading:19091552-Spectroscopy, Fourier Transform Infrared,
pubmed-meshheading:19091552-Surface Properties,
pubmed-meshheading:19091552-Temperature,
pubmed-meshheading:19091552-Thermogravimetry
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pubmed:year |
2009
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pubmed:articleTitle |
Guava seed as an adsorbent and as a precursor of carbon for the adsorption of acid dyes.
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pubmed:affiliation |
Centro de Química, Instituto de Ciencias, Universidad Autónoma de Puebla, Puebla Pue, Mexico. melizald@siu.buap.mx
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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