1. Chromatographic preconcentration of copper in environmental and biological samples using 2,4,6-tri(2-pyridyl)-1,3,5-triazine-tetraphenylborate-naphthalene adsorbent

   • Shiro Usami
   • Shigeaki Yamada
   • Masatada Satake

   Original Papers Pages: 263 - 270

2. Direct lead determination in wine by hydride generation-atomic absorption spectrometry

   • Jesus Sanz
   • Puy Basterra
   • Juan R. Castillo

   Original Papers Pages: 271 - 279

3. Primary amine drug sensitive electrodes based on macrocyclic polyethers with 2,2′-dinaphthyl subunits

   • Kun-Yuan Liu
   • Zeng-Rong Zhang
   • Ru-Qin Yu

   Original Papers Pages: 281 - 291

4. Reflectometric study of oxidation-reduction equilibria of indicators immobilized on a non-ionic polymer

   • Ramaier Narayanaswamy
   • Fortunato Sevilla III

   Original Papers Pages: 293 - 301

5. Simultaneous determination of cobalt(III)-copper(II) and cobalt(III)-nickel(II) mixtures by differential kinetic methods

   • Juan Jose Arias
   • Ana Isabel Jiménez
   • Francisco Jiménez

   Original Papers Pages: 303 - 311

6. Spectrophotometric and first-derivative spectrophotometric determination of cadmium witho-hydroxybenzenediazoaminoazobenzene (HDAA)

   • Chung-Gin Hsu
   • Wei Wang
   • Yu-Fang Wang

   Original Papers Pages: 313 - 320

7. Spectrophotometric determination of some pharmaceutically-important aminoquinoline antimalarials

   • Fawzia A. Ibrahim
   • Amina El-Brashy
   • Fathalla Belal

   Original Papers Pages: 321 - 327

8. Complex compounds of tetracycline with WO ₄ ²⁻ and MoO ₄ ²⁻ ions. Investigation by pH-metric and conductometric methods

   • Dragan Veselinović
   • Milena Jelikić-Stankov

   Original Papers Pages: 329 - 336

9. The reaction of Se(IV) with 2-aminodiphenylamine and its application to spectrophotometric determination of selenium in a strongly acidic medium

   • Barbara Kasterka

   Original Papers Pages: 337 - 347

10. Determination of antimony in waste water by micelle solubilization spectrophotometry

    • Xing-Chu Qiu
    • Ying-Quan Zhu
    • Guo-Ping Liu

    Original Papers Pages: 349 - 354

11. Spectrophotometric titration of phenothiazines using 2,3-dichloro-5,6-dicyano-1,4-benzoquinone

    • Mohamed Rizk
    • Nashaat A. Zakhari
    • Mohamed I. Walash

    Original Papers Pages: 355 - 363

12. An improved laser fluorimeter for the detection of traces of uranium

    • Rui Zhang
    • Yu Lin
    • Jianhua Cheng

    Original Papers Pages: 365 - 372

13. Thermal analytical and infrared spectroscopic investigations on polymorphic organic compounds-III

    • Maria Kuhnert-Brandstätter
    • Monika Riedmann

    Original Papers Pages: 373 - 385

14. Haematoxylin, a novel indicator by the determination of phosphorus

    • Rákosi Éva Dávid

    Original Papers Pages: 387 - 391

15. 2-(α-Pyridyl)-thioquinaldinamide (PTQA)-A novel fluorimetric reagent in inorganic trace analysis. I: The nonextractive, nonquenching fluorescent method for the determination of chromium(VI)

    • Bijoli K. Pal
    • Anil K. Chakrabarti
    • Mohamed J. U. Ahmed

    Original Papers Pages: 393 - 401

16. Indirect determination of thionic compounds by nephelometric determination of barium sulfate

    • Prokopios Kofos
    • Michael Sofoniou
    • Anastasios Voulgaropoulos

    Original Papers Pages: 403 - 405

17. Coulometric redox titrations of some biologically active thiols with iodine in methanol and bromine in acetic acid

    • Tibor J. Pastor
    • Jiří Barek

    Original Papers Pages: 407 - 413

18. Announcement of meeting

    Announcement Pages: 415 - 415

19. Conference calendar

    Events Pages: 416 - 418