Improved separation of amino acids by thin-layer chromatography T. DaleW. E. Court Originals Pages: 617 - 620
Ready detection of small amounts of lactulose in dairy products by thin-layer chromatography I. Martinez-CastroA. Olano Originals Pages: 621 - 622
Qualitätskontrolle vonα-Acetyldigoxin mit Umkehrphasen-Dünnschichtchromatographie K. WinsauerW. Buchberger Originals Pages: 623 - 625
Multiple linear regression analysis of RF values of chlorinated catechols and guaiacols E. KolehmainenJ. Knuutinen Originals Pages: 626 - 628
TLC as a pilot technique for the optimization of gradient HPLC II. Use of data obtained from RP-18 plates for the prediction of gradient programs in reversed-phase liquid chromatography W. Gołkiewicz Originals Pages: 629 - 632
Separation of epimeric monohydroxylated metabolites of testosterone, androstenedione and thep-nitrobenzyl esters of hydroxylated 5β-cholanic acid using the same HPLC conditions J. C. KawalekK. -K. HwangM. I. Kelsey Originals Pages: 633 - 637
Regularities in the retention of isomeric aromatic hydrocarbons in liquid chromatography II. Analysis of polymethyl- and monoalkylbenzenes on silanized silica gel A. N. AgeevA. V. KiselevYa. I. Yashin Originals Pages: 638 - 640
The selection of optimum conditions in HPLC I. The determination of external band spreading in LC instruments H. H. LauerG. P. Rozing Originals Pages: 641 - 647
Blending bulk dissolution and gas-liquid-adsorption with the mixing of two liquid stationary phases to increase selectivity M. Lafosse Originals Pages: 648 - 652
The median of the chromatographic peak as the best measure of retention time J. Å. Jönsson Originals Pages: 653 - 654
Chromatographic separation of benzo(a)pyrene isomers on nematic liquid crystal GC and polymeric reversed-phase HPLC phases H. J. IssaqG. M. JaniniG. M. Muschik Originals Pages: 655 - 660
An exchange of letters capillary gas chromatography of esters: Correlations between structure and retention index J. K. HakenF. Saura CalixtoA. Garcia-Raso Letter Pages: 662 - 662