1. Assessment of inner filter effect corrections in fluorimetry

   • M. M. Puchalski
   • M. J. Morra
   • R. von Wandruszka

   Original Papers Pages: 341 - 344

2. Multifunctional substances — Determination of pK_a-values by various methods

   • N. Sistovaris
   • Y. Hamachi
   • T. Kuriki

   Original Papers Pages: 345 - 349

3. Multifunctional substances — Determination of pK_a-values in overlapping ranges using an iteration procedure

   • N. Sistovaris

   Original Papers Pages: 350 - 352

4. Determination of the complete stoichiometry of Bi-Pb-Sr-Ca-Cu-O-superconductors

   • S. Scheurell
   • E. Kemnitz
   • Y. N. Badun

   Original Papers Pages: 353 - 356

5. Spectrophotometric determination of trace and ultratrace levels of boron in silicon and chlorosilane samples

   • J. S. Chen
   • H. M. Lin
   • M. H. Yang

   Original Papers Pages: 357 - 362

6. Application of adsorptive stripping voltammetry (AdSV) for the analysis of trace metals in brine

   • Axel Romanus
   • Helmut Müller
   • Dietmar Kirsch

   Original Papers Pages: 363 - 370

7. Application of adsorptive stripping voltammetry (AdSV) for the analysis of trace metals in brine

   • Axel Romanus
   • Helmut Müller
   • Dietmar Kirsch

   Original Papers Pages: 371 - 376

8. The identification and determination of cationic dyes in dye liquors for acrylic fibre and extracted from finished products

   • D. Thorburn Burns
   • A. A. McGuigan

   Original Papers Pages: 377 - 379

9. Absorption spectra of hexachlorobenzene adsorbed on SiO₂ powders

   • A. Alebić-Juretić
   • H. Güsten
   • C. Zetzsch

   Original Papers Pages: 380 - 383

10. The quality control chart principle: application to the routine analysis of pesticide residues in water

    • Jürgen Vogelgesang

    Original Papers Pages: 384 - 388

11. Contributions to residue analysis in soils

    • H. Steinwandter

    Original Papers Pages: 389 - 391

12. Micromolar ammonia analysis and atmospheric contamination

    • G. T. Richardson
    • J. A. Davies
    • J. G. Edwards

    Original Papers Pages: 392 - 394

13. Determination of sulphate in natural waters by ICP/OES — comparative studies with ion chromatography

    • Brigitte Raue
    • Heinz-Jürgen Brauch
    • Fritz H. Frimmel

    Original Papers Pages: 395 - 398