ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7

Published monthly

Volume 53, Number 1 / 1999, Pages 3 – 84

Enthalpy of Mixing of Melts in the KF—K₂TiF₆ System	3	–	5
I. Nerád, L. Kosa, E. Mikšíková, and K. Adamkovičová
Incomplete Dissociation and Electrical Conductivity in Binary Molten Salt Mixtures with Common Ion	6	–	10
M. Olteanu and P. M. Pavel
Solution Chemistry of Molten Amide-Nitrate Eutectics	11	–	15
E. I. Eweka and D. H. Kerridge
Optical Transmittance Changes of Solid Preforms with Temperature. I. High Pressure Densified Hydroxyapatite Gels	16	–	21
R. Ďurovčíková, V. Kremničan, Š. Kovalík, Š. Svetík, J. Krištín, P. M. Marquis, and J. Majling
Dialysis of NiS0₄ in Cylindrical Cation-Exchange Membrane	22	–	25
M. Handlířová, P. Čičmanec, and Z. Palatý
Determination of Inorganic Selenium Species in Natural Waters by Preconcentration and Cathodic Stripping Voltammetry	26	–	33
D. Rúriková and E. Tóthová
Spectrophotometric Analysis of α- and β-Naphthol Mixtures Applying Partial Least-Squares Method	34	–	39
A. L. Revilla, G. Vargas, and J. Havel
Novel Porous Carbons and their Utilization in Trace Analysis	40	–	48
E. Matisová, S. Hrouzková, I. Nováak, D. Berek, and J. Kozánková
A Convenient Synthesis of Polyfunctionally Substituted (Acridin-9-yl)imino-l,3-thiazolidin-4-ones and Spiro[9,10-dihydroacridine-9,4'-thiazolidines]	49	–	52
P. Kristian, I. Chomča, J. Bernát, and J. Imrich
New Quinolones and Naphthyridinones Bearing Heterocyclic Rings	53	–	64
S. S. Ibrahim, Z. M. El-Gendy, H. A. Allimony, and E. S. Othman
(E)-Cinnamoylferrocene 5-Benzylcarbodithioylhydrazone and its Chelates	65	–	68
Guo-Sheng Huang, Yong-Hong Liu, Bao-Hua Chen, and Yong-Xiang Ma
Electronic Spectra and Structure of 2,6-Dimethyl-3-halo-4-nitropyridine N-Oxides	69	–	74
H. Ban-Oganowska
Regulation of Denitrification Using Continually Measured O R P and pH Signal	75	–	81
M. Drtil, P. Németh, J. Buday, I. Bodík, and M. Hutňan
Carbohydrates in the Mahonia aquifolium Antipsoriatic Extract	82	–	83
A. Kardošová and D. Košťálová
Július Surový Celebrates his 70th Birthday	84	–	84
M. Polakovič and E. Kossaczký