Use of membrane extraction disks for on-line trace enrichment of organic compounds from aqueous samples E. R. BrouwerH. LingemanU. A. Th. Brinkman Originals Pages: 415 - 418
Liquid chromatography with charge transfer complexation J. M. RousselA. M. SiouffiM. Chanon Originals Pages: 419 - 428
Accurate determination of retention indices in programmed temperature gas chromatography D. MessadiF. HelaimiaM. Boumahraz Originals Pages: 429 - 434
Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize N. BradburnR. D. CokerK. I. Tomlins Originals Pages: 435 - 440
Headspace analysis of 1,4-dioxane in products containing polyethoxylated surfactants by GC-MS S. C. Rastogi Originals Pages: 441 - 445
Information theory of optimization in chromatography: Correlation of information functions in optimization Y. HayashiR. Matsuda Originals Pages: 446 - 448
L-porretine (L-3-carboxy-1,2,3,4-tetrahydroisoquinoline) as chiral selector for the resolution of chiral α-amino-acids G. Jeanneret-GrisJ. PorretK. Bernauer Originals Pages: 449 - 452
Comparison of the efficiency of packed and capillary columns to be used in supercritical fluid chromatography for the analysis of nonvolatile compounds S. ShahL. T. Taylor Originals Pages: 453 - 458
A comparative study of different multiresidue methods for the determination of pesticides in fruit samples by gas chromatography F. Hernández HernándezJ. M. GrasesJ. V. Sancho Originals Pages: 459 - 466
Application of a thermalin situ reaction for fluorimetric detection of carbohydrates on NH2-layers R. KlausW. FischerH. E. Hauck Originals Pages: 467 - 472
Effect of acid pretreatment of the silica substrate on the stability of octadecyl modified reversed phases M. HetemJ. de HaanC. Cramers Originals Pages: 473 - 481
Computerized optimization of the mobile phase composition in gradient elution reversed-phase HPLC S. HeinischJ. -L. RoccaM. Kolosky Originals Pages: 482 - 488
Comparison of two anthryl-modified silica stationary phases for the HPLC separation of PAHs and nitro-PAHs C. Große-RhodeH. G. KicinskiA. Kettrup Originals Pages: 489 - 494
Outer-sphere ligand-exchange chromatography with copper-loaded macrocyclic-bonded silica column M. A. BagnoudW. HaerdiJ. L. Veuthey Originals Pages: 495 - 499
Chromatographic behaviour of flavonoid compounds in reversed-phase HPLC systems F. DondiG. BloP. Reschiglian Corrigendum Pages: 506 - 506
High-performance liquid chromatographic analysis in dinitrobenzene isomers S. R. RaverkarN. V. Rama Rao Erratum Pages: 506 - 506
