About: The study of the apatite porosity changes during nitric acid dissolution

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The nitric acid dissolution of apatite is a primary technology operation in combined fertilizer production. For the engineering calculations it is necessary to understand the kinetics of dissolving process. The change of apatite grain structure caused bythe chemical reaction has been studied by the mercury porosimetry method (measuring apparatus PoreSizer 9320, Micromeritics, U.S.). The porosity and the pore size distribution were measured for original and partially reacted samples. From the obtained d ata it follows, that the chemical reaction causes the porosity changes during the nitric acid decomposition of apatite. Apart from the external apatite surface reaction the process is also influenced by the reaction inside grains on the pore walls already during the initial reaction stage. The nitric acid dissolution of apatite is a primary technology operation in combined fertilizer production. For the engineering calculations it is necessary to understand the kinetics of dissolving process. The change of apatite grain structure caused bythe chemical reaction has been studied by the mercury porosimetry method (measuring apparatus PoreSizer 9320, Micromeritics, U.S.). The porosity and the pore size distribution were measured for original and partially reacted samples. From the obtained d ata it follows, that the chemical reaction causes the porosity changes during the nitric acid decomposition of apatite. Apart from the external apatite surface reaction the process is also influenced by the reaction inside grains on the pore walls already during the initial reaction stage. (en)
Title	The study of the apatite porosity changes during nitric acid dissolution The study of the apatite porosity changes during nitric acid dissolution (en)
skos:prefLabel	The study of the apatite porosity changes during nitric acid dissolution The study of the apatite porosity changes during nitric acid dissolution (en)
skos:notation	RIV/60461373:22310/02:00006563!RIV/2004/MSM/223104/N
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223100001)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Vídenský, Jan Sedlářová, Ivona
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	665768
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/02:00006563
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	apatite; dissolution; changes of porosity; nitric acid (en)
http://linked.open.../riv/klicoveSlovo	apatite dissolution nitric acid changes of porosity
http://linked.open...i/riv/kodPristupu	L
http://linked.open...ontrolniKodProRIV	[4294AF68F155]
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...n/vavai/riv/nosic	80-86059-33-2
http://linked.open...telVyzkumneZpravy	Magic WARE Ltd.
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
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http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	Sedlářová, Ivona Vídenský, Jan Plát, Petr
http://linked.open...rzeVyzkumneZpravy	1
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223100001
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https://schema.org/isbn	80-86059-33-2
http://localhost/t...ganizacniJednotka	22310

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