Comparison of the results for the analysis of individual chlorobiphenyl congeners in various interlaboratory exercises Louis G. M. Th. TuinstraArie H. RoosBen Griepink Original Papers Pages: 1 - 7
A glucose sensor made by chemically crosslinking glucose oxidase directly on the surface of a carbon electrode modified with Pd/Au for hydrogen peroxide electrocatalysis Xiurong YangGillis JohanssonLo Gorton Original Papers Pages: 9 - 16
Oxidized haematoxylin, a new reagent for the spectrophotometric determination of penicillins and cephalosporins Chilukuri S. P. SastryPonnada SatyanarayanaNidiguntapalem Rajendra Prasad Singh Original Papers Pages: 17 - 24
Unipolar conductivity of donor or acceptor solutions Francis D. de Kőrösy Original Papers Pages: 25 - 29
Electron probe microanalysis of SiO2-coated minerals: Subsurface phases in quartz Pieter Maaskant Original Papers Pages: 31 - 39
Differential polarography of copper(II) complex Ray F. WilsonRobert C. Daniels Original Papers Pages: 51 - 56
A simple nebulization reflux system for use in ICP-AES Francesco PetrucciPietro Delle FemmineSergio Caroli Original Papers Pages: 57 - 63
A solid-phase enzyme-linked assay for vitamin B12 Catherine D. TsaltaSara A. RosarioMark E. Meyerhoff Original Papers Pages: 65 - 73
Spectrophotometric investigation of protolytic equilibria of rutin Piotr TopolewskiSabina Zommer-Urbańska Original Papers Pages: 75 - 80
Thermal analytical and infrared spectroscopic investigations on polymorphic organic compounds-II Maria Kuhnert-BrandstätterMonika Riedmann Original Papers Pages: 81 - 95
Determination of thorium by adsorptive type chemically modified electrode with a polycomplex system Li -Tong JinYing ShanYu -Zhi Fang Original Papers Pages: 97 - 104
Comment on “Determination of Chromium(VI) in Dialysis Fluids by Alternating Current and Differential Pulse Voltammetry” Rita CornelisBart Wallaeys Exchange of Comments Pages: 105 - 106
Response to the comment by R. Cornells and B. Wallaeys Clinio LocatelliFrancesco Fagioli Exchange of Comments Pages: 106 - 107
Response to the comment by C. Locatelli and F. Fagioli Rita CornelisBart Wallaeys Exchange of Comments Pages: 107 - 108