1. Working Party on Analytical Chemistry (WPAC)

   • Lauri Niinistö
   • R. Kellner
   • Federation of European Chemical Societies (FECS)

   BriefCommunication Pages: 1 - 2

2. Estimation of the degree of ionization and the proportion of excited atoms in flame atomic spectrometry: a steady state approach

   • Mark F. Zaranyika

   Original Papers Pages: 3 - 7

3. Graphical analysis of K/Na/Rb-interferences in AES

   • R. Henrion
   • G. Henrion
   • A. Arndt

   Original Papers Pages: 8 - 11

4. Certified reference material (CRM 414) for the quality control of trace element analysis in plankton

   • P. Quevauviller
   • K. Vercoutere
   • B. Griepink

   Original Papers Pages: 12 - 17

5. Reduction of matrix interferences and improvement of detection power in flame AAS by a high-performance flow/hydraulic high-pressure nebulization system for sample introduction (HPF/HHPN)

   • H. Berndt
   • A. Müller

   Original Papers Pages: 18 - 24

6. Voltammetric determination of trace amounts of mercury with a carbon paste electrode modified with an anion-exchanger

   • X. Cai
   • K. Kalcher
   • R. J. Magee

   Original Papers Pages: 25 - 31

7. Properties of amperometric HPLC detectors based on mercury electrodes

   • P. Just
   • M. Karakaplan
   • F. Scholz

   Original Papers Pages: 32 - 35

8. Separation and determination of the sulph-hydryl flotation collectors using ion-interaction chromatography

   • D. E. Barnes
   • C. Pohlandt-Watson

   Original Papers Pages: 36 - 42

9. Separation of uranium from uraniferous coaly clays using a selective ion-exchange two-step elution system

   • M. Ochsenkühn-Petropulu
   • G. Parissakis

   Original Papers Pages: 43 - 47

10. Interferences of nitrogen dioxide in the determination of aldehydes and ketones by sampling on 2,4-dinitrophenylhydrazine-coated solid sorbent

    • Uwe Karst
    • Norbert Binding
    • Ute Witting

    Original Papers Pages: 48 - 52

11. Determination of atmospheric iodine species using a system of specifically prepared filters and IDMS

    • Hans-Eike Gäbler
    • Klaus G. Heumann

    Original Papers Pages: 53 - 59

12. Direct determination of tin in tap waters by electrothermal atomization atomic absorption spectroscopy

    • P. Bermejo-Barrera
    • R. M. Soto-Ferreiro
    • A. Bermejo-Barrera

    Original Papers Pages: 60 - 62

13. Simultaneous determination of halogenated benz(a)anthracenes in water by HPLC with fluorometric detection

    • Yasuaki Mori
    • Sumio Goto
    • Hidetsuru Matsushita

    Original Papers Pages: 63 - 67

14. Influence of digestion methods on the determination of total Al in food samples by ICP-ES

    • R. Schelenz
    • E. Zeiller

    Original Papers Pages: 68 - 71

15. Interlaboratory comparison study on PCDDs and PCDFs in cow's milk

    • A. P. de Jong
    • A. Dross
    • J. R. Startin

    Original Papers Pages: 72 - 77