Introduction to Modern Liquid Chromatography, Third Edition part 6 pps
Introduction to Modern Liquid Chromatography, Third Edition part 6 pps
... Ameri- can Chemical Society (Modern Liquid Chromatography), with J. J. Kirkland and L. R. Snyder as course instructors). Progressive improvements in HPLC from 1 960 to 2010 are illustrated by the representative ... the early days of HPLC the technique was sometimes referred to as ‘‘high-pressure liquid chromatography’’ or ‘‘high-speed liquid chromatography, ’ for reasons suggested...
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Introduction to Modern Liquid Chromatography, Third Edition part 3 ppsx
... Semi-Solid Samples, 760 16. 3.1 Sample Particle-Size Reduction, 760 16. 3.2 Sample Drying, 762 16. 3.3 Filtration, 763 16. 4 Sample Preparation for Liquid Samples, 764 16. 5 Liquid Liquid Extraction, 764 16. 5.1 ... Theory, 766 16. 5.2 Practice, 766 16. 5.3 Problems, 768 16. 5.3.1 Emulsion Formation, 769 16. 5.3.2 Analyte Adsorption, 769 16. 5.3.3 Solute Binding, 769...
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Introduction to Modern Liquid Chromatography, Third Edition part 13 ppsx
... Rustum, J. Chromatogr. A, 1 163 (2007) 145. 63 . L. Deng, H. Nakano, and Y. Wwasaki, J. Chromatogr. A, 1 165 (2007) 93. 64 . J. C. Sternberg, in Adv. Chromatogr., 2 (1 966 ) 205. 65 . M. Tsimidou and ... Macrae, J. Chromatogr. , 285 (1984) 178. 66 . N. E. Hoffman, S L. Pan, and A. M. Rustum, J. Chromatogr., 465 (1989) 189. 67 . N. E. Hoffman and A. Rahman, J. Chromatogr., 473 (1989) 260...
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Introduction to Modern Liquid Chromatography, Third Edition part 14 pps
... Generation, 130 3.8 .6 Regulatory Functions, 130 3.9 EXTRA-COLUMN EFFECTS, 131 Introduction to Modern Liquid Chromatography, Third Edition, by Lloyd R. Snyder, Joseph J. Kirkland, and John W. Dolan Copyright ... 112 3.5.4 Special Applications, 112 3 .6 AUTOSAMPLERS, 113 3 .6. 1 Six-Port Injection Valves, 114 3 .6. 2 Autosampler Designs, 1 16 3 .6. 3 Sample-Size Effects, 119 3...
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Introduction to Modern Liquid Chromatography, Third Edition part 33 pps
... therefore wish to skip to following Section 6. 3 .6. 284 REVERSED-PHASE CHROMATOGRAPHY FOR NEUTRAL SAMPLES 0 10203040 Original (primary) method 12 4 5 * 3 + 6 (a) (min) 0 10 20 30 (min) 1 2 6 3 5 4 “Orthogonal” method (b) * Figure ... defined by Equation (6. 3) below (Section 6. 3 .6. 1; see also Section 5.4.3). For the columns of Figure 6. 14, compared to the Symmetry column, v...
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Introduction to Modern Liquid Chromatography, Third Edition part 34 ppsx
... columns to overall selectivity can be 6. 4 METHOD DEVELOPMENT AND STRATEGIES FOR OPTIMIZING SELECTIVITY 291 02 468 Time (min) 1 2 + 3 4 5 6 020 Time (min) 1 2 + 3 4 5 6 02 468 10 Time (min) 1 2 4 5 6 3 020 Time ... (min) 1 2 4 5 6 3 020 Time ( min ) 1 2 5 6 4 3 02 46 Time (min) 1 2 5 6 4 3 25% ACN 7 ≤ k ≤ 17 R s = 0.0 (b) 45% MeOH 2 ≤ k ≤ 6 R s = 1.1 35% MeOH 6 ≤ k ≤ 20 R...
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Introduction to Modern Liquid Chromatography, Third Edition part 40 pps
... in the late 1 960 s, IEC was a strong candidate for the analysis of any mixture that contained organic acids or bases. Together with liquid liquid partition and adsorption chromatography, IEC then ... REVERSED-PHASE, ION-PAIR, AND ION-EXCHANGE CHROMATOGRAPHY 0 02 46 2 46 Time (min) Time (min) 1 2 3 4 + 5 6 7 10% MeOH 1 2 3 4 5 7 6 6% ACN (a) (b) Figure 7.17 Solvent-type selectivity...
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Introduction to Modern Liquid Chromatography, Third Edition part 41 pps
... Chromatogr. Sci. , 38 (2000) 3 86. 34. S. Pous-Torres, J. R. Torres-Lapasi ´ o, J. J. Baeza-Baeza, and M. C. Garc ´ ıa- ´ Alvarez-Coque, J, Chromatogr. A, 1 163 (2007) 49. 35. S. Pous-Torres, J. R. Torres- ... Waeghe, J. Chromatogr. A, 7 56 (19 96) 51. 20. P. L. Zhu, J. W. Dolan, L. R. Snyder, N. M. Djordjevic, D. W. Hill, J T. Lin, L. C. Sander, and L. Van Heukelem, J. Chromatogr. A, 7 56...
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Introduction to Modern Liquid Chromatography, Third Edition part 43 pps
... MTBE (d)(e)(f ) log klog klog k logk 02 46 Time (min) 02 468 10 Time (min) 02 468 10 Time (min) 1 2 3 4 5 6 7 + 8 9 10 11 12 1 3 2 5 6 7 4 11 9 8 12 1 3 2 5 7 6 10 4 + 11 8 9 12 (a) (b) (c) 53% CH 2 Cl 2 R s = ... compared with peaks 2, 3, 5, and 6 in this respect may be due to its different functionality: a –NH 2 group for peak-1 as opposed to a –N = group for peaks 2, 3, 5, and...
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Introduction to Modern Liquid Chromatography, Third Edition part 45 pps
... Chromatogr. A, 1 064 (2005) 85. 33. L. R. Snyder, J. Chromatogr. Sci., 21 (1983) 65 . 34. V. R. Meyer, J. Chromatogr. A, 768 (1997) 315. 35. P. Jandera, J. Chromatogr. A, 965 (2002) 239. 36. R. W. Stout, ... Chromatography (HILIC), 467 9.5.4 Ion-Exchange Chromatography (IEC), 470 9 .6 PROBLEMS, 470 Introduction to Modern Liquid Chromatography, Third Edition, by Lloyd R. Snyde...
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