JOURNAL OF CHROMATOGRAPHY A VOL. 757, NOS. 1 + 2 3 JANUARY 1997 CONTENTS (Abstracts/Contents Lists published in Analytical Abstracts, Biochemical Abstracts, Biological Abstracts, Chemical Abstracts, Chemi- cal Titles, Chromatography Abstracts, Current Awareness in Biological Sciences (CABS), Current Contents/Life Sciences, Current Contents / Physical, Chemical & Earth Sciences, Deep-Sea Research/Part B: Oceanographic Literature Review, Excerpta Medica, Index Medicus, Mass Spectrometry Bulletin, PASCAL-CNRS, Referativnyi Zhurnal, Research Alert and Science Citation Index) INIT 2525 AR oS RN gies mn ae a ake eLearn et ei Pe ete Mg ami gh gag ORY 8 le Ra a hag REGULAR PAPERS Column Liquid Chromatography Stationary phases with chemically bonded fluorene ligands: A new approach for environmental analysis of m-electron containing solutes by R. Brindle and K. Albert (Tiibingen, Germany) (Received 1 August 1996) ... 2... 2... 2.2.2 eee eee eee ee 3 Optimization of end-capping of octadecyl-silylated silica gels by high-temperature silylation ay 5. ee CE, SO) COMED er PN SD a io A a ER We ES EPO is 21 Temperature dependence of carotenoids on C,,, C,, and C,, bonded stationary phases by C.M. Bell, L.C. Sander and S.A. Wise (Gaithersburg, MD, USA) (Received 23 June 1996) ................04. 29 Direct purification of lysozyme using continuous counter-current expanded bed adsorption Oy RC). Owen and 71.A. Chase (Cambridgc, UR) (Received 23 daly 1996) ww ee ee wew ee 4] Determination of Staphylococcal Enterotoxin B by on-line (micro) liquid chromatography—electrospray mass spectrometry by C.E. Kientz, A.G. Hulst and E.R.J. Wils (Rijswijk, The Netherlands) (Received 31 July 1996) ................ 51 Chiral separations of B-blocking drug substances using the Pirkle-type a-Burke | chiral stationary phase by PV. Petersen, J. Ekelund, L. Olsen and SV. Ovesen (Brgnshgj, Denmark) (Received 11 June 1996) .............. 65 Enantiomeric separation of diols and B-amino alcohols by chiral stationary phase derived from (R,R)-tartramide by Y. Machida, H. Nishi, K. Nakamura, H. Nakai and T. Sato (Osaka, Japan) (Received 11 July 1996) ............. ik Analysis of lignan constituents from Schisandra chinensis by liquid chromatography—electrospray mass spectrometry by X.-g. He, L.-z. Lian and L.-z. Lin (Eugene, OR, USA) (Received 24 July 1996) .. 2... 2. eee ee eee 81 Isocratic non-aqueous reversed-phase high-performance liquid chromatographic separation of capsanthin and capsorubin in red peppers (Capsicum annuum L.), paprika and oleoresin by M. Weissenberg, I. Schaeffler, E.M enagem, M. Barzilai and A. Levy (Bet Dagan, Israel) (Received 29 July 1996) ..... 89 Gas Chromatography Theoretical and practical aspects of flow control in programmed-temperature gas chromatography by F.R. Gonzalez and A.M. Nardillo (La Plata, Argentina) (Received 16 July 1996) .. 2... 2... eee ee ees 97 Retention in multistep programmed-temperature gas chromatography and flow control. Linear head pressure programs by F.R. Gonzalez and A.M. Nardillo (La Plata, Argentina) (Received | August 1996) .. 2... 2. ee eee ee ee ee 109 Approach to the thermodynamics of enantiomer separation by gas chromatography. Enantioselectivity between the chiral inhalation anesthetics enflurane, isoflurane and desflurane and a diluted y-cyclodextrin derivative by V. Schurig and M. Juza (Tibingen, Germany) (Received 24 July 1996) .. 2... 2. ee es 119 Chemically bonded chelates as selective complexing sorbents for gas chromatography v. Silica chemically modified by Cu(II) complexes via amino groups by W. Wasiak and W. Urbaniak (Poznan, Poland) (Received 23 July 1996) .. 2... 1. ee es 137 (Continued overleaf) Contents (continued) Clean-up procedures for the unbiased estimation of C,, alkenone sea surface temperatures and terrigenous n-alkane inputs in paleoceanography by J. Villanueva, C. Pelejero and J.O. Grimalt (Barcelona, Spain) (Received 19 July 1996) Phenol and methylphenol isomers determination in soils by in-situ microwave-assisted extraction and derivatisation by M.P. Llompart, R.A. Lorenzo and R. Cela (Santiago de Compostela, Spain) and J.R. Jocelyn Paré, J.M.R. Bélanger and K. Li (Ottawa, Canada) (Received 31 July 1996) Trace enrichment of phenols by on-line solid-phase extraction and gas chromatographic determination by M.A. Crespin, E. Ballesteros, M. Gallego and M. Valcarcel (Cordoba, Spain) (Received 31 July 1996) Application of solid-phase microextraction to the headspace gas chromatographic analysis of semi-volatile organochlorine con- taminants in aqueous matrices by B. Denis Page and G. Lacroix (Ottawa, Ont. K1A OL2, Canada) (Received 5 August 1996) Supercritical Fluid Chromatography Chemiluminescence nitrogen detection for packed-column supercritical fluid chromatography with methanol modified carbon dioxide by H. Shi and L.T. Taylor (BlacksburgV,A , USA) and E.M. Fujinari (Houston, TX, USA) (Received 22 July 1996) Electrophoresis Continuous-flow electrophoresis in the Taylor regime: a new possibility for preparative electrophoresis by M.J. Clifton (Toulouse, France) (Received 19 June 1996) Determination of chlorophenols by micellar electrokinetic chromatography with electrochemical detection by M. van Bruijnsvoort, S.K. Sanghi, H. Poppe and W.Th. Kok (Amsterdam, Netherlands) (Received 22 July 1996) Capillary zone electrophoresis of oligosaccharides derivatized with N-(4-aminobenzoyl)-.-glutamic acid for ultraviolet absorbance detection by J. Plocek and MV. Novotny (Bloomington, IN, USA) Separation of enantiomers and isomers of amino compounds by capillary electrophoresis and high-performance liquid chromatography utilizing crown ethers by H. Nishi, K. Nakamura, H. Nakai and T. Sato (Osaka, Japan) (Received 29 July 1996) Capillary isoelectric focusing: the problem of protein solubility by M. Conti, M. Galassi, A. Bossi and P.G. Righetti (Arcavacata di Rende, Italy) (Received 30 July 1996) Development of a high-performance capillary isoelectric focusing technique with application to studies of microheterogeneity in chicken conalbumin by T.-L. Huang (Fullerton, CA, USA) and M. Richards (Beltsville, MD, USA) (Received 2 August 1996) Capillary electrophoretic separation of acidic and basic proteins in the presence of cationic and anionic fluorosurfactants by E.L. Hult, A. Emmer and J. Roeraade (Stockholm, Sweden) (Received 3 July 1996) Capillary electrophoresis of herbicides. II. Evaluation of alkylglucoside chiral surfactants in the enantiomeric separation of phenoxy acid herbicides by Y. Mechref and Z. El Rassi (Stillwater, OK, USA) (Received 6 August 1996) Analysis of cationic surfactants by capillary electrophoresis by E. Piera, P. Erra and M.R. Infante (Barcelona, Spain) (Received 31 July 1996) Large-volume stacking for quantitative analysis of anions in capillary electrophoresis. I. Large-volume stacking with polarity switching by M. Albert (Vernaison, France) and L. Debusschere, C. Demesmay and J.L. Rocca (Villeurbanne, France) (Received 5 September 1996) Large-volume stacking for quantitative analysis of anions in capillary electrophoresis. II. Large-volume stacking without polarity switching by M. Albert (Vernaison, France) and L. Debusschere, C. Demesmay and J.L. Rocca (Villeurbanne, France) (Received 24 June Trace determination of iron in water at the wg/!l level by on-line coupling of capillary isotachophoresis and capillary zone electrophoresis with UV detection of the EDTA—Fe(III) complex by P. Blatny and F. Kvasnicka (Prague, Czech Republic) and E. Kenndler (Vienna, Austria) (Received 30 July 1996) Contents (continued) SHORT COMMUNICATIONS Column Liquid Chromatography Quantitative determination of protolichesterinic- and fumarprotocetraric acids in Cetraria islandica by high-performance liquid chromatography by G.A. Gudjonsdottir and K. Ingolfsdottir (Reykjavik, Iceland) (Received 26 June 1996) .................0.. 303 Quantitative evaluation of carbon isotopic fractionation during reversed-phase high-performance liquid chromatography by R.J. Caimi and J.T. Brenna (Ithaca, NY, USA) (Received 30 July 1996) ©... 2... .. eee eee eee eee ee 307 Determination of biogenic amines in wines by high-performance liquid chromatography with on-column fluorescence derivatization by O. Busto, M. Miracle, J. Guasch and F. Borrull (Tarragona, Spain) (Received 29 July 1996) ...............0.. 311 Gas Chromatography Measurement of trace phosphorus in dichlorosilane by high-temperature hydrogen reduction gas chromatography by W. Ruimei and L. Junwu (Beijing, China), Z. Shujun (Luo Yang, China) and Z. Zhenhuan (Beijing, China) (Received 16 TE Fk Oe hee Oe eS ekg oie 28 ee TR ES be ee Pw PCR SOE See soe % 319 Electrophoresis Development of the isotachophoretic method for determinaton of aldonic acids produced after alkaline oxidation of hexoses with palladium(II) chloride by L. Petrushevska-Tozi, T. Ristov and Z. Kavrakovski (Skopje, Macedonia) (Received 1 August 1996) ............ 324 Enantiomeric separations of primary amino compounds by non-aqueous capillary zone electrophoresis with a chiral crown ether by Y. Mori, K. Ueno and T. Umeda (Osaka, Japan) (Received 29 July 1996) ... 2... .. 2. ee ee eee eee eee eee 328 IDI Eas FEE: 8 yk We ee Ae eS PRO A oe POO eee hee Ae eS oe ae Re 334 The table of contents of Journal of Chromatography is included in ESTOC — Elsevier Science Tables of Contents service — which can be accessed on the World Wide Web at the following URL addresses: http: //www.elsevier.nl/locate/estoc or http://www.elsevier.com/locate/estoc