Rapid method for the clean-up of extracts of cottonseed prior to aflatoxin determination by bi-directional HPTLC N. BradburnK. JewersI. I. Tomlins Originals Pages: 541 - 544
An experimental study of residual chemicals in elastomeric stoppers for injectables: a MS/GC survey and a headspace/GC purity test L. GramiccioniM. R. MilanaC. Gesumundo Originals Pages: 545 - 550
Immobilized enzymes as chromatographic phases for HPLC: The chromatography of free and derivatized amino acids on immobilized trypsin Sylvie ThelohanPh. JadaudI. W. Wainer Originals Pages: 551 - 555
Colloid stationary phases including nematic liquid crystals and high-disperse mineral particles M. S. VigdergauzL. A. OnuchakG. B. Senitskaya Originals Pages: 556 - 560
Chromatography based on membrane separation with vesicular packing material R. EhwaldG. FuhrR. Kleine Originals Pages: 561 - 564
Evaluation of synthetic procedures for the chemical modification of alumina for HPLC J. J. PesekH. -D. Lin Originals Pages: 565 - 568
Packed column supercritical fluid chromatographic comparison of conventional and polymer-coated silica bonded phases M. Ashraf-KhorassaniL. T. TaylorR. A. Henry Originals Pages: 569 - 573
Effect of destruction of chemically bonded reversed phases by hexamethyldisilazane during end-capping B. Buszewski Originals Pages: 574 - 578
Positive and negative chemical ionization GC/MS and GC/MS/MS for chromatographic studies of vetiveryl acetate. Use of MS/MS for the differentiation of isomeric sesquiterpenes Annie CazaussusP. Y. RozéNicole Sellier Originals Pages: 579 - 584
Semi-preparative high-performance liquid chromatographic separation of four 1.1-dimethylethyl 4- and 5-bromo-trans-2-methylcyclohexane-1-carboxylate isomers J. D. Warthen Jr.T. P. McGovern Originals Pages: 585 - 587
Characterization of specific interaction capacity of solid surfaces by adsorption of alkanes and alkenes. Part I: Adsorption on open surfaces M. SidqiG. LignerE. Papirer Originals Pages: 588 - 592
Rapid liquid chromatographic analysis of carboxylic acid-5-hydroxytryptamides in coffee A. LaganàL. CuriniA. Marino Originals Pages: 593 - 596
Determination of chlorotriazine herbicides, their dealkylated degradation products and organophosphorus pesticides in soil samples by means of two different clean up procedures G. DurandR. FortezaD. Barceló Originals Pages: 597 - 604
Simultaneous determination of pseudouridine and creatinine in urine by HPLC with polarographic detection F. PalmisanoA. GuerrieriP. G. Zambonin Originals Pages: 605 - 609
Separation of adenosine triphosphate and its degradation products in innervated muscle of the frog by reverse phase high-performance liquid chromatography R. A. CunhaAna M. SebastiãoJ. A. Ribeiro Originals Pages: 610 - 612
Quantitative supercritical fluid extraction coupled to capillary gas chromatography J. M. LevyA. C. Rosselli Originals Pages: 613 - 616
Sampling and analysis of airborne chlorinated methanes — Comparison of FID and ECD Y. MoreleC. LefevreJ. Muller Originals Pages: 617 - 619
Thin-layer chromatography of inorganic ions on polyethyleneimine cellulose in mixed sulfuric acid — Organic solvent media T. ShimizuH. HirataK. Nakajima Originals Pages: 620 - 622
Applications of chromatographic and spectrometric techniques to the study of dexamethasone related compounds Ph. GaignageG. LognayPh. Dreze Originals Pages: 623 - 630
Sample plug tailing and cold trap effect in hot split sampling G. LiuZ. Xin Originals Pages: 639 - 642
