Effect of Plasticizer on the Performance of the Surfactant-Selective Electrode Based on a Poly(Vinyl Chloride) Membrane with no Added Ion-Exchanger Takashi MasadomeJi-guang YangToshihiko Imato Original Paper 13 February 2004 Pages: 217 - 220
Properties and Application of a Chelating Sorbent Prepared by Modification of LiChroprep-NH2 with Calcon Ryszard KocjanAnna BłażewiczDariusz Matosiuk Original Paper 20 January 2004 Pages: 221 - 226
On-Line Separation and Preconcentration of Trace Metals in Biological Samples Using a Microcolumn Loaded with PAN-Modified Nanometer-Sized Titanium Dioxide, and Their Determination by ICP-AES Lanhao YangBin HuHuilin Pan Original Paper 13 February 2004 Pages: 227 - 231
Silica Gel Loaded with o-Dihydroxybenzene: Design, Metal Sorption Equilibrium Studies and Application to Metal Enrichment Prior to Determination by Flame Atomic Absorption Spectrometry Gopalan VenkateshAjai K. SinghBalakrishnan Venkataramani Original Paper 20 January 2004 Pages: 233 - 241
Electrocatalysis of Tryptophan at Multi-Walled Carbon Nanotube Modified Electrode Fang-Hui WuGuang-Chao ZhaoZhou-Sheng Yang Original Paper 20 January 2004 Pages: 243 - 247
Ultra-Sensitive Anodic Stripping Voltammetry for the Determination of Xanthine at a Glassy Carbon Electrode Mohamed S. IbrahimYassien M. TemerkHossieny S. M. Ibrahim Original Paper 13 February 2004 Pages: 249 - 256
Determination of Lead Using a New Chromogenic Reagent 2-(2-Sulfo-4-acetylphenylazo)-7-(2,4,6-trichlorophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic Acid Yong GuoBingjun DinShuangming Meng Original Paper 20 January 2004 Pages: 257 - 261
Potentiometric Flow Injection Analysis of Anionic Surfactants in Industrial Products and Wastes Saad S. M. HassanI. H. A. BadrH. S. M. Abd-Rabboh Original Paper 13 February 2004 Pages: 263 - 269
PROZA and CALIBRATION CURVES for Quantitative X-Ray Microanalysis of Biological Samples Grzegorz TylkoZuzanna BanachWincenty Kilarski Original Paper 13 February 2004 Pages: 271 - 276
Matrix Digestion of Soil and Sediment Samples for Extraction of Lead, Cadmium and Antimony and Their Direct Determination by Inductively Coupled Plasma-Mass Spectrometry and Atomic Emission Spectrometry Partha ChattopadhyayAndrew S. FisherSteve J. Hill Original Paper 20 January 2004 Pages: 277 - 283
Solid Phase Extractive Preconcentration of Cobalt and Nickel in Hair Samples Using Ethyl Xanthate Modified Benzophenone Paramesamangalam GopikrishnaKota Sreenivasa RaoGurijala Ramakrishna Naidu Original Paper 13 February 2004 Pages: 285 - 289
A Simple Sensitive Spectrophotometric Method for the Determination of Ce4+ Using Variamine Blue as a Chromogenic Reagent Mendalin MathewBadiadka NarayanaKuttamath Vipin Original Paper 13 February 2004 Pages: 291 - 295
Determination of Heavy Metal Ions in Chinese Herbal Medicine by Microwave Digestion and RP-HPLC with UV-Vis Detection Yaling YangYan GuangyuQiang Lin Original Paper 13 February 2004 Pages: 297 - 302