Pure and Applied Chemistry

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• Sanli Nurullah, Sanli Senem, Sızır Umit, Gumustas Mehmet, Ozkan Sibel A.: Determination of pK a Values of Cefdinir and Cefixime by LC and Spectrophotometric Methods and Their Analysis in Pharmaceutical Dosage Forms. Chroma 2011, 73, 1171. <http://dx.doi.org/10.1007/s10337-011-2013-7>
• Sanli Senem, Sanli Nurullah, Gumustas Mehmet, Ozkan Sibel A., Karadas Nurgul, Aboul-Enein Hassan Y.: Simultaneous Estimation of Ceftazidime and Ceftizoxime in Pharmaceutical Formulations by HPLC Method. Chromatogr Suppl 2011, 74, 549. <http://dx.doi.org/10.1007/s10337-011-2116-1>
• Bonin Julien, Costentin Cyrille, Louault Cyril, Robert Marc, Savéant Jean-Michel: Water (in Water) as an Intrinsically Efficient Proton Acceptor in Concerted Proton Electron Transfers. J Am Chem Soc 2011, 133, 6668. <http://dx.doi.org/10.1021/ja110935c>
• Vogl Michael, Kratzer Regina, Nidetzky Bernd, Brecker Lothar: Candida tenuis xylose reductase catalysed reduction of acetophenones: the effect of ring-substituents on catalytic efficiency. Biomol Chem 2011, 9, 5863. <http://dx.doi.org/10.1039/c1ob05510k>
• Dean S. W., Moutinho da Silva Ricardo, Borges Paulo Paschoal, Fraga Isabel Cristina Serta, Stradiotto Nelson Ramos: New Methodology for pH Measurements in Fuel Ethanol Using Glass Electrode. J ASTM Int 2011, 8, 103192. <http://dx.doi.org/10.1520/JAI103192>
• Demiralay Ebru Cubuk, Cubuk Burcu, Ozkan Sibel A., Alsancak Guleren: Combined effect of polarity and pH on the chromatographic behavior of some angiotensin II receptor antagonists and optimization of their determination in pharmaceutical dosage forms. J  Pharm Biomed Anal 2010, 53, 475. <http://dx.doi.org/10.1016/j.jpba.2010.05.020>
• Demiralay Ebru Cubuk, Alsancak Guleren, Ozkan Sibel A.: Determination of pK _a values of nonsteroidal antiinflammatory drug-oxicams by RP-HPLC and their analysis in pharmaceutical dosage forms. J Sep Science 2009, 32, 2928. <http://dx.doi.org/10.1002/jssc.200900234>
• Brecker Lothar, Mahut Marek, Schwarz Alexandra, Nidetzky Bernd: In situ proton NMR study of acetyl and formyl group migration in mono-O-acyl D-glucose. Magn Reson Chem 2009, 47, 328. <http://dx.doi.org/10.1002/mrc.2395>
• Spitzer Petra, Fisicaro Paola, Seitz Steffen, Champion Rachel: pH and electrolytic conductivity as parameters to characterize bioethanol. Accred Qual Assur 2009, 14, 671. <http://dx.doi.org/10.1007/s00769-009-0565-0>
• Hussain Amjad, Bhatt Anjani K., Krishna Kumar D., Thorat R.B., Padhiyar H.J., Shukla R.S.: Substitution of trans ligands in μ-oxo-bis(μ-acetato)diruthenium(III) complexes: Synthesis and kinetic studies. Inorg Chim Ada 2009, 362, 1101. <http://dx.doi.org/10.1016/j.ica.2008.05.032>
• Máriássy Michal, Pratt Kenneth W, Spitzer Petra: Major applications of electrochemical techniques at national metrology institutes. Metrologica 2009, 46, 199. <http://dx.doi.org/10.1088/0026-1394/46/3/007>
• Zevatskii Yu. E., Samoilov D. V., Mchedlov-Petrosyan N. O.: Conthemporary methods for the experimental determination of dissociation constants of organic acids in solutions. Russ J Gen Chem 2009, 79, 1859. <http://dx.doi.org/10.1134/S1070363209090138>
• Kılıç H.: Ultraviolet–visible study of tautomeric behavior of some carbonyl and thiocarbonyl pyrimidine derivatives: Experimental evidence of enolization and thioketonization. Spectrochim Acta A Mol Biomol Spectrosc 2008, 71, 175. <http://dx.doi.org/10.1016/j.saa.2007.12.001>
• Ignjatović Ljubiša M., Barek Jiří, Zima Jiří, Stević Milica C.: Adsorptive Stripping Voltammetric Determination of 1,1-Dimethyl-3-phenyltriazene. Collect Czech Chem Commun 2008, 73, 97. <http://dx.doi.org/10.1135/cccc20080097>
• Falciola Luigi, Mussini Patrizia R., Mussini Torquato, Rossi Manuela: A Determination of Standard Potentials and Related Primary pH Standards in the 50 Mass Percent (N-Methyl-2-Pyrrolidinone + Water) Mixture at Various Temperatures. J Solution Chem 2007, 36, 1037. <http://dx.doi.org/10.1007/s10953-007-9162-1>
• Nourmohammadian Farahnaz, Davoodzadeh Mahnaz, Alizadeh Abdol-Ali: New cyclopentadiene derivatives as novel pH indicators. J Dye Pig 2007, 74, 741. <http://dx.doi.org/10.1016/j.dyepig.2006.05.011>
• Holzle L.R.B., Azambuja D.S., Piatnicki C.M.S., Englert G.E.: Corrosion behaviour of aluminium in ethyleneglycol–water electrolytes containing phosphonic acid. Material Chemistry and Physics 2007, 103, 59. <http://dx.doi.org/10.1016/j.matchemphys.2007.01.007>
• Holzle L.R.B., Azambuja D.S., Piatnicki C.M.S., Englert G.E.: Corrosion behavior of aluminium in ethyleneglycol–water electrolytes containing EDTA. Material Chemistry and Physics 2005, 91, 375. <http://dx.doi.org/10.1016/j.matchemphys.2004.11.043>
• Falciola Luigi, Mussini Patrizia R., Mussini Torquato: Problems of Electrochemical Controls of Oxidation-Reduction Systems in Aqueous-Organic and Nonaqueous Media. The rH Index with Establishment of the Relevant Scales and Standards. Collect Czech Chem Commun 2003, 68, 1605. <http://dx.doi.org/10.1135/cccc20031605>
• Ballesteros O., Toro I., Sanz-Nebot V., Navalón A., Vílchez J. L., Barbosa J.: Optimization of the composition and pH of the mobile phase used for separation and determination of a series of quinolone antibacterials regulated by the European Union. Chroma 2002, 56, 413. <http://dx.doi.org/10.1007/BF02492003>
• Antonini D, Falciola L, Mussini P.R, Mussini T: Ionization constants ofo-phthalic acid in (propylene carbonate + water) and (ethylene carbonate + water), and thermodynamics of the cellPt|H2|HCl(m)| Hg2Cl2|Hg. K J CHEM THERMODYN 2001, 33, 1473. <http://dx.doi.org/10.1006/jcht.2001.0863>
• Barbosa J, Barrón D, Jiménez-Lozano E, Sanz-Nebot V: Comparison between capillary electrophoresis, liquid chromatography, potentiometric and spectrophotometric techniques for evaluation of pKa values of zwitterionic drugs in acetonitrile–water mixtures. Anal Chim Acta 2001, 437, 309. <http://dx.doi.org/10.1016/S0003-2670(01)00997-7>
• Antonini D, Falciola L, Mussini P.R, Mussini T: Medium effects, comparability and predictability of pH-standards in aqueous+organic solvent mixtures: behavior of the (ethylene carbonate+water) and (propylene carbonate+water) systems. Journal of Electroanalytical Chemistry 2001, 503, 153. <http://dx.doi.org/10.1016/S0022-0728(01)00345-X>
• Barbosa J., Barrón D., Cano J., Jiménez-Lozano E., Sanz-Nebot V., Toro I.: Evaluation of electrophoretic method versus chromatographic, potentiometric and absorptiometric methodologies for determing pKa values of quinolones in hydroorganic mixtures. J  Pharm Biomed Anal 2001, 24, 1087. <http://dx.doi.org/10.1016/S0731-7085(00)00561-6>
• Barbosa J., Bergés R., Sanz-Nebot V.: Prediction of the chromatographic behaviour for a series of diuretic compounds. Chroma 2000, 51, 417. <http://dx.doi.org/10.1007/BF02490478>
• Barbosa José, Barrón Dolores, Butí Salvador: Autoprotolysis Constants and Standardization of pH Measurements in Tetrahydrofuran-Water Mixtures. Electroanalysis (N Y ) 1999, 11, 627. <http://dx.doi.org/10.1002/(SICI)1521-4109(199907)11:9<627::AID-ELAN627>3.0.CO;2-V>
• Barbosa J: Chromatographic behaviour of ionizable compounds in liquid chromatography. Part 1. pH scale, pKa and pHS values for standard buffers in tetrahydrofuran–water. Anal Chim Acta 1999, 389, 31. <http://dx.doi.org/10.1016/S0003-2670(99)00133-6>
• Barbosa J, Marqués I, Barrón D, Sanz-Nebot V: The application of factor analysis to solvatochromic parameters and pHs values for the standardization of potentiometric sensors in mobile phases used in liquid chromatography. Trends in Analytical Chemistry 1999, 18, 543. <http://dx.doi.org/10.1016/S0165-9936(99)00131-4>
• Marqués I, Fonrodona G, Butı́ S, Barbosa J: Solvent effects on mobile phases used in liquid chromatography: factor analysis applied to protonation equilibria and solvatochromic parameters. Trends in Analytical Chemistry 1999, 18, 472. <http://dx.doi.org/10.1016/S0165-9936(99)00134-X>
• Barrón D., Butı́ S., Ruiz M., Barbosa J.: Evaluation of acidity constants and preferential solvation in tetrahydrofuran–water mixtures. J Polyhedron 1999, 18, 3281. <http://dx.doi.org/10.1016/S0277-5387(99)00265-X>
• Barbosa J., Barrón D., Butı́ S., Marqués I.: Assignment of pHS values of reference buffer solutions for standardization of potentiometric sensors in THF–water. J Polyhedron 1999, 18, 3361. <http://dx.doi.org/10.1016/S0277-5387(99)00274-0>
• Hernández-Arteseros J. A., Barbosa J., Compañó R., Prat M. D.: Optimisation of mobile phase pH in liquid chromatography. Application to fluorimetric detection of series of quinolones. Chroma 1998, 48, 251. <http://dx.doi.org/10.1007/BF02467679>
• Izutsu Kosuke, Yamamoto Hiroki: Applicability of 0.05 mol kg−1 potassium hydrogen phthalate as reference value pH standard in water–organic solvent mixtures. Talanta (London) 1998, 47, 1157. <http://dx.doi.org/10.1016/S0039-9140(98)00196-9>