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within the range of temperature 20–1,000 °C. The conditions were: mass of sample 200 mg, air atmosphere, heating rate 10 K min −1 , platinum crucible and Al 2 O 3 as the reference material. XRD analysis of examined samples was carried out using a Seifert

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derivatograph type Q-1500, samples of 100 mg, α-Al 2 O 3 served as reference material in air static atmosphere. From TG, DTA and DTG curves the solid intermediate products decomposition were determined and were confirmed by the IR spectra of sinters. In sinters

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as reference material, temperature range 20–1,000 °C. The phase composition of the samples was checked by XRD method using a diffractometer HZG-4/A2 (Carl Zeiss, Germany) with Cu-K α /Ni radiation. The identification of phases occurring in the

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. Hyung , S. W. ; Lee , C. H. ; Kim , B. Development of certified reference materials for accurate

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the mass measurement was calibrated using reference materials according to the manufacturer's instructions. Approximately 5–20 mg of bulk HPMC 603, HPMC 615 and PVA 4–98 stored in the saturated salts solutions ambient were placed in alumina crucibles

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Central European Geology
Authors: Zsófia Pálos, István János Kovács, Dávid Karátson, Tamás Biró, Judit Sándorné Kovács, Éva Bertalan, Anikó Besnyi, György Falus, Tamás Fancsik, Martina Tribus, László Előd Aradi, Csaba Szabó, and Viktor Wesztergom

filled up to 250 ml. These diluted samples were analyzed with ICP-OES by using a Jobin Yvon Ultima 2C spectrometer. For calibration, a suite of international rock reference materials, and for S and P synthetic solutions, were used. Typically, the

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Acta Archaeologica Academiae Scientiarum Hungaricae
Authors: Beáta Tugya, Katalin Náfrádi, Sándor Gulyás, Tünde Törőcsik, Balázs Pál Sümegi, Péter Pomázi, and Pál Sümegi

punt et al. 2007 , kozáková– pokorny 2007 , supplemented by examination of photographs in Reille 1992 , Reille 1995 , Reille 1998 and of reference material held in the Hungarian Geological Institute, Budapest. Percentages of terrestrial pollen taxa

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