On the determination of the column dead volume from homologous series H. J. MöckelU. DreyerH. Melzer Original Papers Pages: 673 - 677
Polymer coated cation exchanger in ion chromatography: preparation, properties and applications Gernot HuhnGeorg SchwedtHelmut Müller Original Papers Pages: 678 - 683
Evaluation of thermionic detector for packed capillary supercritical fluid chromatography of nitrogen-containing compounds M. Ashraf-KhorassaniJ. M. Levy Original Papers Pages: 688 - 691
Preatomization behaviour of Se(-II), Se(IV), and Se(VI) in the graphite furnace without and with matrix modifiers V. KrivanM. Kückenwaitz Original Papers Pages: 692 - 697
Use of less polar organic solvents for the polarographic determination of metals after extraction of their diethyldithiocarbamates Yukio NagaosaKiyoshi HoritaSeiichi Nishimoto Original Papers Pages: 698 - 701
Speciation study of trace elements by HPLC Part III. The effect of alcohols on the retention behaviour of Cr(III, VI)-APDC co-ordination complexes Yao Xin-dongLiu Jin-chunZeng Yun'e Original Papers Pages: 702 - 705
Determination of traces of lanthanides in cerium oxide by liquid chromatography with on-column preconcentration V. KubáňI. JančářováR. Šulová Original Papers Pages: 706 - 710
Trace analysis of cationic surfactants in water using HPLC with conductometric detection L. NitschkeR. MüllerL. Huber Original Papers Pages: 711 - 713
Comparison of different microwave-based digestion techniques in view of their application to fat-rich foods Lothar DunemannMaria Meinerling Original Papers Pages: 714 - 718
1H and 13C NMR spectral analysis of some necines of toxic pyrrolizidine alkaloids E. RöderK. LiuT. Bourauel Original Papers Pages: 719 - 722
Determination of sulfamethoxazole and trimethoprim by ratio spectra derivative spectrophotometry J. J. Berzas NevadoJ. M. Lemus GallegoG. Castañeda Peñalvo Original Papers Pages: 723 - 728
Interference-free glucose sensor based on glucose-oxidase immobilized in an overoxidized non-conducting polypyrrole film D. CentonzeA. GuerrieriP. G. Zambonin Original Papers Pages: 729 - 733
Spectrophotometric determination of phosphorus as phosphate in organic compounds and materials of biological origin using a flow-injection manifold with a mixing chamber D. Thorburn BurnsN. ChimpaleeM. Harriott Original Papers Pages: 734 - 736
Voltammetric trace determination of ubiquinones at mercury electrodes H. EmonsG. WittstockH. Seidel Original Papers Pages: 737 - 739
Determination of aluminium and chromium in serum by atomic absorption spectrometry Ewa BulskaKatarzyna WróbelAdam Hulanicki Original Papers Pages: 740 - 743
Determination of 1-vinyl-2-pyrrolidone in human serum by high-performance liquid chromatography Wolfgang WillGerhard HoffmannAndreas Zober Original Papers Pages: 744 - 745
Gas-chromatographic determination of propylene- and diethylene glycol ethers in urine B. HubnerK. GeibelJ. Angerer Original Papers Pages: 746 - 748
The use of thermospray-liquid chromatography/mass spectrometry for the verification of chemical warfare agents E. R. J. WilsA. G. Hulst Original Papers Pages: 749 - 758