. "25310" . . "\u010Cerven\u00E9 perovskitov\u00E9 pigmenty pro keramick\u00FD pr\u016Fmysl"@cs . "RIV/00216275:25310/05:00002763!RIV08-MSM-25310___" . . "1"^^ . . . . . "V sou\u010Dasn\u00E9 dob\u011B existuje v keramick\u00E9m pr\u016Fmyslu velk\u00E1 snaha o v\u00FDvoj a v\u00FDzkum vysoko teplotn\u011B stabiln\u00EDch pigment\u016F, kter\u00E9 maj\u00ED velmi intenzivn\u00ED barevn\u00FD t\u00F3n a kter\u00E9 jsou v souladu s ekologick\u00FDmi a technologick\u00FDmi po\u017Eadavky. Dne\u0161n\u00ED v\u00FDzkum je zam\u011B\u0159en k rozvoji pigment\u016F s intenzivn\u00EDm \u010Derven\u00FDm odst\u00EDnem, jen\u017E se dnes jev\u00ED jako probl\u00E9mov\u00FD. N\u011Bkter\u00E9 oxidy lanthanoid\u016F a hlin\u00EDku tvo\u0159\u00ED pevn\u00E9 roztoky se strukturou perowskitu obecn\u00E9ho vzorce ABO3. Intenzivn\u00EDho \u010Derven\u00E9ho odst\u00EDnu je doc\u00EDleno \u010D\u00E1ste\u010Dnou n\u00E1hradou kationtu Al3+ kationtem Cr3+. Zamezen\u00ED vzniku toxick\u00E9ho Cr6+ zaji\u0161\u0165uje vysok\u00E1 teplota synt\u00E9zy (1350 ? 1500 \u00B0C). Pro synt\u00E9zu perowskitov\u00FDch pigment\u016F byl pou\u017Eit jak jednostup\u0148ov\u00FD zp\u016Fsob synt\u00E9zy v tuh\u00E9 f\u00E1zi, tak rovn\u011B\u017E dvoustup\u0148ov\u00FD suspenzn\u00ED SMS proces. V pr\u016Fb\u011Bhu studie byl zkoum\u00E1n vliv kalcina\u010Dn\u00ED teploty, druhu v\u00FDchoz\u00EDch surovin, velikosti \u010D\u00E1stic a obsahu chromu na celkov\u00FD barevn\u00FD odst\u00EDn. Nejsyt\u011Bj\u0161\u00ED \u010Derven\u00E9 odst\u00EDny vznikaj\u00ED p\u0159i pou\u017Eit\u00ED oxid\u016F Y2O3, Er2O3, Gd2O3 a nejnov\u011Bji i Ho2O3- Perovskitov\u00E9 pigmenty je mo\u017Eno bez"@cs . "P(GA104/05/2081), Z(MSM0021627501)" . . "Now is in a ceramic industry a big effort about the development and investigation of high temperature stable pigments, that have very intensive color tone and that are ecologically innocuous. Presently investigation is concentrated to development of intensive red pigments, that are problematic now. The solid solutions of some lathanide oxides and Al2O3 create the perowskite structure with base formula ABO3. To obtain of intensive red tone the particial substitution Al3+ via Cr3+ was used. The high temperatur of synthese (1350 ? 1500 \u00B0C) does not allow a formation of toxic Cr6+. The typical method of solid phase synthesis and as well the MDR method (mixed drived reaction) was used. The influence of reaktion temperatur, type of starting matter, particles size, chromium content to the resultant color tone was investigated. The deepest red tones result by using of Y2O3, Er2O3, Gd2O3 and nowly Ho2O3 too. Perovskit pigments is possible to aplicate into various ceramic glazes. These pigments create a"@en . "\u010Cerven\u00E9 perovskitov\u00E9 pigmenty pro keramick\u00FD pr\u016Fmysl" . "RIV/00216275:25310/05:00002763" . "perovskite; ceramic pigments; chromium oxide"@en . "V sou\u010Dasn\u00E9 dob\u011B existuje v keramick\u00E9m pr\u016Fmyslu velk\u00E1 snaha o v\u00FDvoj a v\u00FDzkum vysoko teplotn\u011B stabiln\u00EDch pigment\u016F, kter\u00E9 maj\u00ED velmi intenzivn\u00ED barevn\u00FD t\u00F3n a kter\u00E9 jsou v souladu s ekologick\u00FDmi a technologick\u00FDmi po\u017Eadavky. Dne\u0161n\u00ED v\u00FDzkum je zam\u011B\u0159en k rozvoji pigment\u016F s intenzivn\u00EDm \u010Derven\u00FDm odst\u00EDnem, jen\u017E se dnes jev\u00ED jako probl\u00E9mov\u00FD. N\u011Bkter\u00E9 oxidy lanthanoid\u016F a hlin\u00EDku tvo\u0159\u00ED pevn\u00E9 roztoky se strukturou perowskitu obecn\u00E9ho vzorce ABO3. Intenzivn\u00EDho \u010Derven\u00E9ho odst\u00EDnu je doc\u00EDleno \u010D\u00E1ste\u010Dnou n\u00E1hradou kationtu Al3+ kationtem Cr3+. Zamezen\u00ED vzniku toxick\u00E9ho Cr6+ zaji\u0161\u0165uje vysok\u00E1 teplota synt\u00E9zy (1350 ? 1500 \u00B0C). Pro synt\u00E9zu perowskitov\u00FDch pigment\u016F byl pou\u017Eit jak jednostup\u0148ov\u00FD zp\u016Fsob synt\u00E9zy v tuh\u00E9 f\u00E1zi, tak rovn\u011B\u017E dvoustup\u0148ov\u00FD suspenzn\u00ED SMS proces. V pr\u016Fb\u011Bhu studie byl zkoum\u00E1n vliv kalcina\u010Dn\u00ED teploty, druhu v\u00FDchoz\u00EDch surovin, velikosti \u010D\u00E1stic a obsahu chromu na celkov\u00FD barevn\u00FD odst\u00EDn. Nejsyt\u011Bj\u0161\u00ED \u010Derven\u00E9 odst\u00EDny vznikaj\u00ED p\u0159i pou\u017Eit\u00ED oxid\u016F Y2O3, Er2O3, Gd2O3 a nejnov\u011Bji i Ho2O3- Perovskitov\u00E9 pigmenty je mo\u017Eno bez" . . . "Zborn\u00EDk pr\u00EDspevkov 57. ZCHS ChemZi" . "\u010Cerven\u00E9 perovskitov\u00E9 pigmenty pro keramick\u00FD pr\u016Fmysl"@cs . "Trojan, Miroslav" . "Red Perovskite Pigments for a Ceramic Industry"@en . "195" . . "Red Perovskite Pigments for a Ceramic Industry"@en . "2"^^ . "Tatransk\u00E9 Matliare" . . "3"^^ . "[C717790A39AF]" . . . "Slovensk\u00E1 chemick\u00E1 spolo\u010Dnos\u0165 pri SAV" . "514680" . "Hrabica, Jaroslav" . . "1336-7242" . "\u0160ulcov\u00E1, Petra" . . . "Bratislava" . "\u010Cerven\u00E9 perovskitov\u00E9 pigmenty pro keramick\u00FD pr\u016Fmysl" . . . "2005-09-04+02:00"^^ .