1. Fundamental and practical aspects in the design of nanoscaled SnO2 gas sensors: a status report

   • N. Barsan
   • Markus Schweizer-Berberich
   • Wolfgang Göpel†

   Review Pages: 287 - 304

2. New applications of the retention index concept in gas and high performance liquid chromatography

   • I. G. Zenkevich

   Original paper Pages: 305 - 309

3. A sensor for the in situ determination of acidity levels in concentrated sulfuric acid

   • B. Hammouti
   • H. Oudda
   • A. Benayada

   Original paper Pages: 310 - 313

4. Preparation of an ion-selective electrode by chemical treatment of copper wire for the measurement of copper(II) and iodide by batch and flow-injection potentiometry

   • D. Dobčnik
   • M. Kolar
   • Nj. Radić

   Original paper Pages: 314 - 319

5. Laser ablation-atomic fluorescence approach for the determination of mercury

   • C. M. Rico
   • J. M. Fernández-Romero
   • M. D. Luque de Castro

   Original paper Pages: 320 - 324

6. Optimization of the gravimetric determination method of nickel as dimethylglyoximate for nickel raw materials

   • P. Junnila
   • M. Latvala
   • J. Tummavuori

   Original paper Pages: 325 - 331

7. Elemental analysis of airborne dust samples with TXRF: Comparison of oxygen-plasma ashing on sapphire carriers and acid digestion for sample preparation

   • M. Theisen
   • R. Niessner

   Original paper Pages: 332 - 337

8. A multiresidue method with mobile on-site sampling based on SPE for ultratrace analysis of plant protectants in environmental waters

   • K. Pittertschatscher
   • Norbert Inreiter
   • Hans Malissa

   Original paper Pages: 338 - 350

9. Direct solventless supercritical fluid extraction of chlorbiphenyls from aqueous solutions at 0.1 × 10–12 g/g level and whole extract analysis by GC/ECD

   • I. N. Glazkov
   • I. A. Revelsky
   • Yu. A. Zolotov

   Original paper Pages: 351 - 354

10. Investigation of SFE/SFC grade carbon dioxide

    • Dirk C. Hinz
    • B. W. Wenclawiak

    Technical note Pages: 355 - 360

11. Collaborative study to improve the quality control of trace element determinations in polymers. Part 1. Interlaboratory study

    • W. Van Borm
    • A. Lamberty
    • Ph. Quevauviller

    Current research note Pages: 361 - 363

12. Novel photolytic decomposition method of organic compounds with a high output low-pressure mercury lamp for voltammetric trace metal analysis

    • K. Yokoi
    • Maki Yakushiji
    • Tsutomu Koide

    Short communication Pages: 364 - 367

13. Determination of metal traces in wine by argon stabilized d.c. arc

    • S. Ražić
    • Marija Todorović
    • Milovan Stoiljković

    Short communication Pages: 367 - 370

14. Indirect atomic absorption spectrometric determination of citric acid by continuous precipitation

    • M. C. Yebra
    • R. M. Cespón

    Short communication Pages: 370 - 373

15. Application of fluoroxidants for the decomposition and analysis of platinum metals and gold in black shale ores

    • V. N. Mitkin
    • A. A. Galitsky
    • T. M. Korda

    Short communication Pages: 374 - 376

16. Sequential determination of carbon dioxide and free sulfur dioxide in wine by flow-injection pervaporation with in series potentiometric-photometric detection

    • E. Mataix
    • M. D. Luque de Castro

    Short communication Pages: 377 - 380

17. A novel chemiluminescence flow-through sensor for the determination of analgin

    • Yu-Ming Huang
    • Chao Zhang
    • Zhu-Jun Zhang

    Short communication Pages: 381 - 383

18. Rapid spectrophotometric method to resolve ternary mixtures of Tartrazine, Quinoline Yellow and Patent Blue V in commercial products

    • J. J. Berzas Nevado
    • J. Rodríguez Flores
    • N. Rodríguez Fariñas

    Short communication Pages: 383 - 388