1. Spectrophotometric Estimation of Nimesulide and its Formulations

   • Chilukuri S. R. Lakshmi
   • Manda N. Reddy

   Pages: 1 - 6

2. Electrochemical Study of 4-Nitrophenol at a Modified Carbon Paste Electrode

   • María del Mar Cordero-Rando
   • Manuel Barea-Zamora
   • José L. Hidalgo-Hidalgo de Cisneros

   Pages: 7 - 11

3. A Rapid HPLC Determination of C₂–C₇ Aliphatic Diamines by Precolumn Derivatization with Acetylacetone in Methanol-Water

   • A. Asan
   • I. Isildak

   Pages: 13 - 16

4. Derivative Spectrophotometric Determination of Nd, Ho and Er in Rare Earth Mixtures with 1-Ethyl-6,8-difluoro-7-(3-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinoline carboxylic acid

   • Naixing Wang
   • Lei Wang
   • Yuzhi Wang

   Pages: 17 - 23

5. Determination of As and Sb in Steels by Electrothermal Atomic Absorption Spectrometry after Reduction, Complexation and Sorption on Activated Carbon

   • Maria Bertília Oss Giacomelli
   • José Bento Borba da Silva
   • Adilson José Curtius

   Pages: 25 - 29

6. Development of a HPLC Method for Analysis of Linear Alkylbenzene Sulphonates and Detection by UV and FTIR Spectroscopy Using Thermospray Interface

   • Mohammad A. Mottaleb

   Pages: 31 - 39

7. XRF Analysis of Microsamples of Semiconductor Type Multielement Materials by the Thin Layer Method. Determination of Cr, Co, Ni, Cu, Zn, Ga, Se, Sb, Yb

   • Jerzy Jurczyk
   • Rafał Sitko
   • Ewa Malicka

   Pages: 41 - 47

8. Preconcentration and Voltammetric Study of Nicergoline at a Carbon Paste Electrode

   • A. Radi

   Pages: 49 - 53

9. Ion-Channel – Mimetic Sensors Based on Self-Assembled Monolayers of Phosphate Esters: High Selectivity for Trivalent Cations

   • Mitsutoshi Takaya
   • Philippe Bühlmann
   • Yoshio Umezawa

   Pages: 55 - 60

10. A Bulk Acoustic Wave Viscosity Sensor for Determination of Lysozyme Based on Lysis of Micrococcus Lysodeikeicus

    • Lili Bao
    • Xiaoge Qu
    • Wanzhi Wei

    Pages: 61 - 65

11. Voltammetry of Organic Microparticles

    • Šebojka Komorsky-Lovrič
    • Valentin Mirčeski
    • Fritz Scholz

    Pages: 67 - 77

12. Estimation of Li⁺, K⁺ and Ca²⁺ Complexation with [12] crown-4, [15] crown-5 and [18] crown-6 Using a Na⁺ ISE in Dioxane-Water, Part IV^*

    • Ümit Çakır
    • Baki Çiçek

    Pages: 79 - 82

13. Amineptine Plastic Membrane Electrode Based on its Ion Associate with Tetraphenylborate and Phosphomolybdic Acid

    • Yousry M. Issa
    • Nour T. Abdel-Ghani
    • Howayda M. Ahmed

    Pages: 83 - 88

14. Determination of Wear Metals in Marine Lubricating Oils by Microwave Digestion and Atomic Absorption Spectrometry

    • Celestino Sanz-Segundo
    • María P. Hernández-Artiga
    • Ignacio Naranjo-Rodriguez

    Pages: 89 - 94

15. Direct Analysis of Coffee and Tea for Aluminium Determinationby Electrothermal Atomic Absorption Spectrometry

    • Carlos E. C. Magalhães
    • Éder C. Lima
    • Marco A. Z. Arruda

    Pages: 95 - 100

16. Indirect Complexometric Determination of Bismuth Using 2-Mercaptoethanol as Masking Agent

    • B. Muralidhara Rao

    Pages: 101 - 103

17. Chemiluminescence Method for the Determination of DNA Using the Ru(bipy)₃ ²⁺-Ce(IV) System

    • Heyon Han
    • Xiaoyan Li
    • Yun’e Zeng

    Pages: 105 - 109