Gas chromatographic study of the urea—Cetyl alcohol adduct and its components E. SmolkováL. FeltlJ. Všetečka Originals Pages: 621 - 626
The early period of the development of gas chromatography in the U.S.S.R. M. S. Vigdergauz Originals Pages: 627 - 633
Polystyrene fractionation by liquid chromatography and identification of the compounds by spectroscopy P. Holt SackettR. W. HannahW. Slavin Originals Pages: 634 - 639
Preparative liquid chromatography: History and trends E. GeeraertM. Verzele Originals Pages: 640 - 644
Application of 4-methyl-7-methoxycoumarin derivatives to the high pressure liquid chromatographic analysis of fatty acids S. G. ZelenskiJ. W. Huber III Originals Pages: 645 - 646
Paper chromatography of noble metals in mixed chloride-nitrate media with use of solutions of liquid anion exchangers as mobile phases S. PrzeszlakowskiA. Flieger Originals Pages: 647 - 652
Application of thin layer and high performance liquid chromatography to the separation and determination of cephalexin in cephradine, in bulk powder and in pharmaceuticals E. CrombezG. A. BensP. De Moerloose Originals Pages: 653 - 657
Dünnschicht-chromatographische Untersuchung von dissoziierenden Verbindungen in programmierter gasphase M. Bidló-Iglóy Originals Pages: 658 - 661
Gas chromatographic behaviour of monosubstituted pyridines on polysiloxane and polyester liquid phases A. E. HabboushS. M. FarrohaR. I. Al-Bayati Originals Pages: 662 - 665
Distribution studies of metal ions on stannic arsenate in butanol-HNO3 systems: Quantitative separation of Ni−Fe, Ni−Cu, Cd−Hg and Pb−Hg M. QureshiK. G. VarshneyS. Naheed Originals Pages: 666 - 670
A simple method for urine estrogen determination of nonpregnant women H. T. JoeC. S. LeachC. B. Lassiter Short Communication Pages: 671 - 672