1. Reduction of systematic errors in quantitative analysis by isotope dilution mass spectrometry (IDMS): an iterative method

   • A. Henrion

   Original Papers Pages: 657 - 658

2. Application of the photoionization detector for single determinations of hydride forming elements

   • Steffen Mergemeier
   • Fritz Scholz

   Original Papers Pages: 659 - 661

3. Continuous flow hydride generation for the preconcentration and determination of arsenic and antimony by GFAAS

   • Maciej Walcerz
   • Slawomir Garboś
   • Adam Hulanicki

   Original Papers Pages: 662 - 666

4. Preconcentration of inorganic selenium species (Se (IV) and Se (VI)) in an alumina filled microcolumn and on-line determination by hydride generation atomic absorption spectrometry

   • A. Larraya
   • M. G. Cobo-Fernández
   • C. Cámara

   Original Papers Pages: 667 - 670

5. Study on the retention behaviour of platinum metal complexes in reversed-phase high-performance liquid chromatography

   • Liu Wuping
   • Liu Qiping

   Original Papers Pages: 671 - 673

6. Spectrophotometric determination of ruthenium after extraction of perruthenate with benzyltributylammonium chloride

   • M. S. El-Shahawi
   • A. Z. Abu Zuhri
   • S. M. Al-Daheri

   Original Papers Pages: 674 - 677

7. A study of HPLC separation and spectrophotometric, polarographic and voltammetric detection of 4-substituted derivatives of N-nitroso-N-methylaniline

   • Jiří Barek
   • Pham Tuan Hai
   • Jiří Zima

   Original Papers Pages: 678 - 683

8. Qualitative analysis of dental resin composites by gas and liquid chromatography/mass spectrometry

   • W. Spahl
   • H. Budzikiewicz

   Original Papers Pages: 684 - 691

9. Multicomponent determination of the pesticide naptalam and its metabolites in river water, by applying partial least squares calibration to the derivative spectrophotometric signals

   • T. Galeano Díaz
   • M. I. Acedo Valenzuela
   • F. Salinas

   Original Papers Pages: 692 - 701

10. Sulfate determination in lagoon water (venice) by reversed-phase ion-interaction chromatography — a method validation

    • M. C. Gennaro
    • C. Abrigo
    • H. Geiss

    Original Papers Pages: 702 - 705

11. Use of the Apparent Content Curves for the spectrophotometric identification of substances: identification of amphetamines

    • A. Cerdán Vidal
    • A. R. Maurí Aucejo
    • J. Simeón Martí

    Original Papers Pages: 706 - 711

12. Determination of methylated globin and albumin for biomonitoring of exposure to methylating agents using HPLC with precolumn fluorescent derivatization

    • Andreas M. F. Müller
    • Ernst Hallier
    • Hermann M. Bolt

    Original Papers Pages: 712 - 715

13. Improvement of reproducibility in capillary zone electrophoresis by sequential application of high voltage and pressure

    • K. Bächmann
    • B. Göttlicher
    • W. Hensel

    Current Research Note Pages: 716 - 717

14. Determination of oxygen in the new high-temperature superconductor HgBa₂CuO_4+x

    • G. N. Maso
    • V. M. Ivanov
    • A. V. Kumkova

    Short Communications Pages: 718 - 719

15. Rapid separation of dinucleotides with ion-pair high performance liquid chromatography

    • B. Brüggemann
    • H. Schlüter
    • W. Zidek

    Short Communications Pages: 719 - 721

16. Liquid chromatographic determination of the plasticizer di(2-ethylhexyl) phthalate (DEHP) in PVC plastics

    • Ying-Sing Fung
    • Andrew Shin-Kwan Tang

    Short Communications Pages: 721 - 723

17. Environmental pollution study by multielemental neutron activation analysis of garden soil samples from Nagpur City, India

    • N. L. Chutke
    • M. N. Ambulkar
    • A. N. Garg

    Short Communications Pages: 723 - 726