1. Influence of medium on the kinetics of oxidation of iron(II) ion with t-butyl hydroperoxide

   • B. Mihaljević
   • D. Ražem

   OriginalPaper Pages: 253 - 267

2. Synthesis of new thiazolo[2,3-b]pyrimidine derivatives of pharmaceutical interest

   • H. H. Abdel-Razik

   OriginalPaper Pages: 268 - 273

3. Enthalpic analysis of the CaTiSiO₅ system

   • I. Nerád
   • L. Kosa
   • K. Adamkovičová

   OriginalPaper Pages: 274 - 278

4. Kinetic, spectrophotometric determination of nanogram levels of manganese(II) using catalytic azo dye—potassium periodate—1,10-phenanthroline system

   • K. L. Mutaftchiev

   OriginalPaper Pages: 279 - 282

5. Application of a ternary complex of tungsten(VI) with 4-nitrocatechol and thiazolyl blue for extraction-spectrophotometric determination of tungsten

   • V. D. Lekova
   • K. B. Gavazov
   • A. N. Dimitrov

   OriginalPaper Pages: 283 - 287

6. Determination of risperidone at picogram level in human urine by luminol—H₂O₂ chemiluminescence

   • X. F. Xie
   • X. D. Shao
   • Z. H. Song

   BriefCommunication Pages: 288 - 292

7. Electrochemical dissolution of chalcopyrite studied by voltammetry of immobilized microparticles

   • L’. Pikna
   • L. Lux
   • T. Grygar

   OriginalPaper Pages: 293 - 296

8. Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients

   • P. Hornik
   • D. Milde
   • V. Stužka

   OriginalPaper Pages: 297 - 301

9. Structure of tetrakis(pyridinioacetate) neodymium(III) tetrahydrate perchlorate

   • Y. M. Song
   • X. Q. Yao
   • Q. Wu

   OriginalPaper Pages: 302 - 305

10. Thermally stable oligomer—Metal complexes based on oligo-ortho-aminophenol and oligophenylazomethinephenol

    • H. Mart
    • M. C. Koç
    • H. Yürük

    OriginalPaper Pages: 306 - 310

11. Adsorption of SO₂ on alumina

    • P. Fellner
    • J. Jurišová
    • J. Thonstad

    OriginalPaper Pages: 311 - 314

12. One-pot, three-component synthesis of secondary amines and trisubstituted hydrazines from ketones

    • H. Tavakol
    • S. Zakery

    Short Communication Pages: 315 - 317

13. Synthesis of α,α′-bis(R-benzylidene)cycloalkanones catalyzed by potassium hydrogen sulfate under solvent-free conditions

    • X. H. Cai
    • B. Xie
    • H. Guo

    Short Communication Pages: 318 - 320

14. Electrical conductivity of the molten KF—K₂TaF₇ system

    • M. Korenko
    • S. Kuznetsov

    Short Communication Pages: 321 - 323

15. New substituted mono-and bis(imidazolyl)pyridines and their application in nitroaldolisation reaction

    • R. Keder
    • P. Drabina
    • M. Sedlák

    Short Communication Pages: 324 - 326