1. Development of pork fat reference material for OCPs BCR-CRM 430

   • C. G. van der Paauw
   • A. M. J. Rietveld
   • E. A. Maier

   Original Papers Pages: 297 - 300

2. Separation of Cr(III) and Cr(VI) using complexation of Cr(III) with 8-hydroxyquinoline and determination of both species in waters by ETA-AAS

   • E. Beceiro-Gonzalez
   • J. Barciela-Garcia
   • A. Bermejo-Barrera

   Original Papers Pages: 301 - 305

3. Advanced quality control for zinc speciation investigations in human breast milk

   • B. Michalke
   • D. C. Münch
   • P. Schramel

   Original Papers Pages: 306 - 310

4. Coulometric titrations with an ion exchange separation step

   • M. Hahn
   • C. Voigt
   • H. Matschiner

   Original Papers Pages: 311 - 315

5. New chelating sorbents of the pyrazolone type based on styrene-divinylbenzene copolymer

   • E. Ivanova
   • O. Todorova
   • M. Stoimenova

   Original Papers Pages: 316 - 318

6. Particle size distribution of mineral phases and metals in dusts collected at different workplaces

   • J. Hlavay
   • K. Polyák
   • G. Wesemann

   Original Papers Pages: 319 - 321

7. Spectrofluorimetric determination of aluminium in silicon and in electronic grade reagents

   • Q. Zini

   Original Papers Pages: 322 - 325

8. Group separation by solvent extraction from silicate rock matrix of Nb, Mo, Ta, and W at low levels for ICP-MS

   • Reiner Goguel

   Original Papers Pages: 326 - 333

9. Study of the correlation between trace elements, sterols and fatty acids in brown algae from the Saronikos gulf of Greece

   • G. D. Kanias
   • H. Skaltsa
   • J. Bitis

   Original Papers Pages: 334 - 339

10. Direct solid vs. slurry analysis of tobacco leaves for some trace metals by graphite furnace AAS

    • R. Dobrowolski
    • J. Mierzwa

    Original Papers Pages: 340 - 344

11. Determination of fluazifop-butyl and fluazifop with the use of disposable solid phase extraction columns for selective clean-up and concentration of Soxhlet soil extracts

    • Marco Zanco
    • Gerd Pfister
    • Antonius Kettrup

    Original Papers Pages: 345 - 349

12. Spectrophotometric determination of Zineb (a dithiocarbamate fungicide) by the methylene blue method

    • V. Agrawal
    • P. Shivhare
    • V. K. Gupta

    Original Papers Pages: 350 - 352

13. Does analytics produce facts? — an inter-disciplinary approach

    • J. Herion

    Short Communications Pages: 353 - 354

14. A straightforward algorithm to estimate the dead time in GC from the retention behavior of homologous series

    • H. Wätzig
    • S. Ebel
    • A. Holley

    Short Communications Pages: 354 - 356

15. Separation of Co(II), Ni(II) and Pd(II) with 2-(5-nitro-2-pyridylazo)-5-dimethylaminobenzoic acid by high-performance liquid chromatography

    • Liu Qi-Ping
    • Zhang Hua-Shan
    • Cheng Jie-Ke

    Short Communications Pages: 356 - 357

16. The determination of tin in zirconium alloys using slotted atom trap (STAT) flame atomic absorption spectrophotometry

    • D. Thorburn Burns
    • Narong Chimpalee
    • Michael Harriott

    Short Communications Pages: 357 - 359

17. Chemical amplification method for the determination of selenious acid with bismuthiol II

    • Minori Kamaya
    • Kunio Nagashima
    • Eizen Ishii

    Short Communications Pages: 359 - 360

18. Photographic homogeneous immunoassay based on luminol chemiluminescence catalyzed by hemoglobins leaked from complement-hemolyzed red blood cells

    • Yoshiro Tatsu
    • Soichiro Yamamura
    • Susumu Yoshikawa

    Short Communications Pages: 360 - 361