introduction to websphere application server community edition
Tài liệu Module 1: Introduction to SharePoint Portal Server ppt
... management solution needs to address these issues of scalability Module 1: Introduction to SharePoint Portal Server 11 Introduction to SharePoint Portal Server Topic Objective To describe the characteristics ... SharePoint Portal Server to your own Web site 14 Module 1: Introduction to SharePoint Portal Server Using SharePoint Portal Server as an Effective Document Management Solution Topic Objective To outline ... organization 2 Module 1: Introduction to SharePoint Portal Server Common Obstacles to Implementing an Effective Document Management Solution Topic Objective To outline this topic Lead-in Employees...
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Introduction to Modern Liquid Chromatography, Third Edition part 95 pdf
... chromatography, polypeptides, 604–605 Hydroxytestosterone isomers, 276 Hyphenated detectors; see Detectors, hyphenated IEC; see Ion-exchange chromatography Immobilized-metal affinity chromatography, ... detectors; see Detectors, MS INDEX Multi-angle light-scattering detectors (MALS); see Detectors, light-scattering Multidimensional liquid chromatography, 616–618; see also Two-dimensional chromatography ... Fluorescence detectors; see Detectors, fluorescence Fraction collection, 123, 734–745, 747 Frit, inlet-line, 90 FTIR detector; see Detectors, FTIR Fused-core™ particle; see Shell particle Gas chromatography...
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Introduction to Modern Liquid Chromatography, Third Edition part 1 pdf
... OR A John Wiley & Sons, Inc., Publication INTRODUCTION TO MODERN LIQUID CHROMATOGRAPHY Third Edition INTRODUCTION TO MODERN LIQUID CHROMATOGRAPHY Third Edition LLOYD R SNYDER LC Resources, Inc ... INTRODUCTION TO MODERN LIQUID CHROMATOGRAPHY Third Edition LLOYD R SNYDER LC Resources, Inc Orinda, CA JOSEPH J KIRKLAND Advanced Materials Technology Wilmington, DE JOHN W DOLAN ... Snyder, Lloyd R Introduction to modern liquid chromatography / Lloyd R Snyder, Joseph J Kirkland – 3rd ed / John W Dolan p cm Includes index ISBN 978-0-470-16754-0 (cloth) Liquid chromatography I...
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Introduction to Modern Liquid Chromatography, Third Edition part 2 potx
... Linearity, 158 Introduction to Individual Detectors, 160 UV-Visible Detectors, 160 4.4.1 Fixed-Wavelength Detectors, 163 4.4.2 Variable-Wavelength Detectors, 164 4.4.3 Diode-Array Detectors, 165 4.4.4 ... UV-Detector Characteristics, 166 Fluorescence Detectors, 167 Electrochemical (Amperometric) Detectors, 170 Radioactivity Detectors, 172 Conductivity Detectors, 174 Chemiluminescent Nitrogen Detector, ... Chemiluminescent Nitrogen Detector, 174 Chiral Detectors, 175 Refractive Index Detectors, 177 Light-Scattering Detectors, 180 4.12.1 Evaporative Light-Scattering Detector (ELSD), 181 147 x CONTENTS 4.12.2...
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Introduction to Modern Liquid Chromatography, Third Edition part 3 ppsx
... Columns, 730 15.2.2 Sample Introduction, 731 15.2.2.1 Loop Injectors, 731 15.2.2.2 Pump Injection, 732 15.2.3 Detectors, 733 15.2.3.1 UV Detectors, 733 15.2.3.2 Other Detectors, 734 15.2.4 Fraction ... Chromatography, 623 13.5.3 Hydrophobic Interaction Chromatography, 624 Separation of Carbohydrates, 625 13.6.1 Hydrophilic Interaction Chromatography, 625 13.6.2 Ion-Moderated Partition Chromatography, ... Liquid-Chromatography Modes for Polymer 13.10.4 Analysis, 653 13.10.3.1 Size-Exclusion Chromatography, 653 13.10.3.2 Interactive Liquid Chromatography, 653 13.10.3.3 Liquid Chromatography under...
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Introduction to Modern Liquid Chromatography, Third Edition part 4 pdf
... ion-exchange chromatography ion-pair chromatography retention factor (same as capacity factor k ); equal to (tR /t0 ) − gradient retention factor; Equation (9.5) column length (mm) liquid chromatography–mass ... second edition (with significant sales into the first decade of the present century) can be attributed to certain features which continue to be true for the present book First, all three editions ... approaches to a subject to be tried and evaluated, and a pragmatic emphasis is essential when dealing with practicing chromatographers as students Second, all three editions have tried to combine...
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Introduction to Modern Liquid Chromatography, Third Edition part 5 pptx
... 1.2 A SHORT HISTORY OF HPLC, 1.3 SOME ALTERNATIVES TO HPLC, 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 Gas Chromatography (GC), Thin-Layer Chromatography (TLC), Supercritical Fluid Chromatography (SFC), ... every application • most laboratories that deal with a need for analyzing chemical mixtures are equipped for HPLC; it is often the first choice of technique Introduction to Modern Liquid Chromatography, ... fluid chromatography solid-supported liquid-liquid extraction signal -to- noise ratio standard operating procedure peak-tailing factor TF; Figure 2.16a tetrahydrofuran thin-layer chromatography time...
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Introduction to Modern Liquid Chromatography, Third Edition part 6 pps
... which can substitute for HPLC in certain applications, existed prior to 1965: gas chromatography (GC) and thin-layer chromatography (TLC) Countercurrent chromatography (CCC) is another pre-1965 technique ... other contributions to the development of chromatography before 1955 The amino-acid analyzer, introduced in the late 1950s [15], was an important precursor to HPLC; it was an automated means for ... chromatography (Section 7.5) This was followed by the invention of gel permeation chromatography (Section 13.7) by Moore [18] and the introduction in the early 1960s of a gel-permeation chromatograph...
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Introduction to Modern Liquid Chromatography, Third Edition part 7 pptx
... Column Switching, 79 Retention Predictions Based on Solute Structure, 80 Introduction to Modern Liquid Chromatography, Third Edition, by Lloyd R Snyder, Joseph J Kirkland, and John W Dolan Copyright ... of HPLC for use in the laboratory, in order to develop an adequate separation (method development), to carry out a routine HPLC procedure for sample analysis, or to solve problems as they arise ... (e.g.,
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Introduction to Modern Liquid Chromatography, Third Edition part 8 doc
... adjacent atoms or groups) Hydrogen bonding interactions are shown in Figure 2.8c, for two cases: an acidic (or proton-donor) solvent (methanol) interacting with a basic (protonacceptor) solute ... preferred for various reasons Therefore it is important to be able to estimate (or calculate) values of k for the different peaks in a chromatogram, which in turn requires a value of the column ... conditions that are primarily used (and recommended) to control k, α, or N, respectively (e.g., %B is varied to control k or α, column length is varied to control N) a For ionizable solutes (acids or...
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Introduction to Modern Liquid Chromatography, Third Edition part 9 ppt
... pump and detector, sample valve, detector flow cell) add to the total pressure measured at the pump outlet, but the sum of these contributions is usually minor (10–20%) compared to values of P ... (2.13) and (2.13a) to be in error by ±20% or more Despite the ability of most HPLC systems to operate at 5000 to 6000 psi, it may be desirable to limit the column pressure drop to no more than 3000 ... 2.19) by some factor x, which then results in a decrease in ν by the same factor (Eq 2.18a) The flow rate corresponding to Fopt must accordingly be increased by the factor x, in order to compensate...
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Introduction to Modern Liquid Chromatography, Third Edition part 10 ppt
... 60% acetonitrile-water, 35◦ C), Dm = 10−5 cm2 / sec (corresponds to a sample molecular weight of 300 Da for the latter conditions), and a column pressure P = 2000 psi are now widely used to compare ... tailing, in contrast to ‘‘exponential’’ tailing in (a) 52 BASIC CONCEPTS AND THE CONTROL OF SEPARATION Table 2.5 Relation of Peak-Tailing and Peak-Asymmetry Factors Peak-Asymmetry Factor (at 10%) Peak-Tailing ... feasible (and desirable) to reduce peak tailing so that TF ≤ 1.5 Various attempts have been made to describe the shape of tailing peaks in mathematical terms [41, 42], and to define a plate number...
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Introduction to Modern Liquid Chromatography, Third Edition part 11 ppt
... However, at the option of the chromatographer, it is possible to expand this preferred retention range somewhat, for example, to 0.5 ≤ k ≤ 20 Alternatively, regulatory agencies may recommend k ≥ ... heights are normalized to 100% for tallest peak in each chromatogram Simulated chromatograms based on data of [50, 51] changes in both %B and temperature, it is possible to achieve a maximum resolution ... gradient elution) However, this topic is not essential for using or developing RPC methods For that reason some readers may prefer to skip to Section 2.5.3, and return to this section at a later time...
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Introduction to Modern Liquid Chromatography, Third Edition part 12 potx
... another peak in the chromatogram Poor batch -to- batch reproducibility of the column is today an infrequent problem It is more likely to arise for complex samples where the chromatogram is crowded and ... reasons: • to avoid an undesirable change in separation due to a sample size that is too large • to increase detection sensitivity for trace analysis, by using the largest possible sample size • to maximize ... injections to 4, the peak begins to widen and then develops a flat top For Equation (2.27) and the examples of Figure 2.22, we assume the delivery of an undistorted (i.e., cylindrical) sample plug to...
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Introduction to Modern Liquid Chromatography, Third Edition part 13 ppsx
... J Chromatogr A, 1200 (2008) 122 33 R W Stout, J J Destefano, and L R Snyder, J Chromatogr., 282 (1983) 263 34 J H Knox and H P Scott, J Chromatogr., 282 (1983) 297 35 K Miyabe, J Chromatogr A, ... possible to predict chromatographic retention in HPLC with an accuracy that is anywhere near sufficient to support method development (see [88] for a failed example) An interesting exception to these ... Equation (2.36) can provide insight into the factors that determine RPC separation, but the errors in predictions of values of k (about ±20%) are too large to be useful for method development Equation...
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Introduction to Modern Liquid Chromatography, Third Edition part 14 pps
... Processing, 130 Report Generation, 130 Regulatory Functions, 130 3.9 EXTRA-COLUMN EFFECTS, 131 Introduction to Modern Liquid Chromatography, Third Edition, by Lloyd R Snyder, Joseph J Kirkland, ... from a reservoir into a pump, which controls the flow rate and generates sufficient pressure to drive the mobile phase through the column An injector or autosampler is used to place the sample ... possible if the detector (and acetonitrile/water mobile phase) is purged with helium to remove oxygen from the optical path of the detector Under these conditions the apparent detector-lamp response...
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Introduction to Modern Liquid Chromatography, Third Edition part 15 pot
... the total of the autosampler -to- column plus column -to- detector connections Sometimes it is advantageous to use a short piece of 0.007-in i.d tubing between the autosampler and column, so as to ... with pressures up to 6000 psi between the pump and detector, so the tubing must be able to withstand such pressures Also tubing used to transport the sample from the autosampler to the column and ... sizes from 0.005-in to 0.046-in i.d., whereas PEEK covers the 0.0025-in to 0.040-in range The 0.010-in and 0.020-in i.d sizes are used to transport solvent from the pump to the autosampler, where...
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Introduction to Modern Liquid Chromatography, Third Edition part 16 pdf
... Accumulator-Piston Pumps An alternative design for the dual-piston pump is the accumulator-piston, or tandem-piston design shown in Figure 3.13d In this case, one piston feeds into the other piston ... valve to close and the intermediate check valve to open Half of this mL/min flow (1 mL/min) would be used to fill the top piston and half would be pumped directly to the column The accumulator-piston ... the top piston (Fig 3.13d) would pump at mL/min While the top piston delivered solvent, the top (outlet) check valve would be open and the intermediate check valve (inlet for the top piston)...
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Introduction to Modern Liquid Chromatography, Third Edition part 17 pdf
... cycle time to just a few seconds Three common autosampler designs are in common use: • pull -to- fill • push -to- fill • needle-in-loop 3.6.2.1 Pull -to- Fill Autosamplers The pull -to- fill autosampler ... 3.6.2.2 Push -to- Fill Autosamplers The push -to- fill autosampler is an automated version of the manual injector In the load mode (Fig 3.21a) the needle draws sample from the sample vial into a connecting ... valve rotor then is moved to the inject position (Fig 3.20b), and the sample is pumped onto the column Note that no needle seal is used in this type of autosampler The pull -to- fill autosampler...
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