1. Dynamic calibration and automated instrumental analysis

   • A. Müller
   • G. Staats
   • V. Tröbs

   Original Papers Pages: 615 - 625

2. Evolutionary determination of physico-chemical parameters and concentrations of analytes from titration data

   • A. Parczewski
   • C. B. Lucasius
   • G. Kateman

   Original Papers Pages: 626 - 632

3. pH-dependence of ³¹P-NMR spectroscopic parameters of monofluorophosphate, phosphate, hypophosphate, phosphonate, phosphinate and their dimers and trimers

   • Norimasa Yoza
   • Nobuyuki Ueda
   • Sachiko Nakashima

   Original Papers Pages: 633 - 638

4. Liquid secondary ion mass spectrometry of several β-diketonates of cobalt(III) and chromium(III)

   • Lothar Plaggenborg
   • Wayne D. Buchannon
   • John B. Westmore

   Original Papers Pages: 639 - 643

5. Simultaneous determination of zinc and mercury with 5,10,15,20-tetrakis(3-chloro-4-sulfophenyl)porphine by differential rate kinetics and flow injection analysis

   • Xue-jun Peng
   • Qun-kai Mao
   • Jie-ke Cheng

   Original Papers Pages: 644 - 647

6. Rapid sample preparation and voltammetric determination of lead, cadmium and copper traces in calcium fluoride

   • T. Nedeltcheva
   • L. Costadinnova
   • K. Minneva

   Original Papers Pages: 648 - 649

7. Rapid gas-chromatographic determination of hydrocarbon types by selective absorption and flame ionization detection

   • E. Šepic
   • H. Leskovsek

   Original Papers Pages: 650 - 653

8. Gas-chromatographic determination of phenols in aqueous samples after solid phase extraction

   • P. Mußmann
   • K. Levsen
   • W. Radeck

   Original Papers Pages: 654 - 659

9. Simultaneous determination of uric acid, xanthine and hypoxanthine with an electrochemically pretreated carbon paste electrode

   • X. Cai
   • K. Kalcher
   • C. Neuhold

   Original Papers Pages: 660 - 665

10. Electroanalytical study of diethyl and dibutyl phthalate in micellar and oil-in-water emulsified media

    • A. González
    • P. Sánchez
    • L. M. Polo

    Original Papers Pages: 666 - 673

11. Determination of aromatic sulfonic acids in industrial waste water by ion-pair chromatography

    • B. Bastian
    • T. P. Knepper
    • H. M. Ortner

    Original Papers Pages: 674 - 679

12. Analysis of oxonic acid, uric acid, creatine, allantoin, xanthine and hypoxanthine in poultry litter by reverse phase HPLC

    • M. A. Eiteman
    • R. M. Gordillo
    • M. L. Cabrera

    Original Papers Pages: 680 - 683

13. Extended water starvation; an improved method for sample preparation of lumbricidae in ecotoxicological studies

    • W. D. Denneman

    Original Papers Pages: 684 - 687

14. A collaborative study for intermethod comparison

    • H. Steinwandter

    Original Papers Pages: 688 - 691

15. A collaborative study for intermethod comparison

    • H. Steinwandter

    Short Communications Pages: 692 - 693

16. Quantification of polychlorinated biphenyls (PCBs) and hexachlorobenzene (HCB) in the picogram/liter range in water of the river Elbe

    • R. Götz
    • P. Enge
    • H. Wunsch

    Short Communications Pages: 694 - 695

17. Influence of temperature and short-term storage on the stability of norepinephrine in plasma samples

    • Manfred Volz
    • Gisela Gottschalk
    • Martin Schlepper

    Short Communications Pages: 696 - 698

18. Amplification method for the spectrophotometric determination of phosphorus

    • Irena Baranowska
    • Katarzyna Barszczewska

    Short Communications Pages: 698 - 700

19. Ion-chromatographic determination of phosphates in castables

    • Yeqiu Wang
    • Guoliang Zhao
    • Zhiyi Yan

    Short Communications Pages: 700 - 702