Handbook of Size Exclusion Chromatography and Related ...

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Table 7 SEC Conditions for Characterization of Ionic Cellulose Ethers Celluose derivative Packing material CMC Separon HEMA mono C60, G65 or Mobile phase Detectors 0.1 M or 0.1 mM NH 4NO 3 DRI/ Conductometry Flow rate (mL/min) Reference — 153 Shodex OH pak DRI/DV/ B804, B805 0.1 M NH4NO3 MALLS CMC TSK 0.1 M and 0.5 M MALLS/DRI — 155 DS 0.71–2.95 30, 40, 50, 60 NaNO3 with 0.02% NaN3 CMC Separon HEMA 0.5 M NaOH or UV/RI 0.5 154 1000 0.4 M acetate buffer CMC TSK PW 0.02 M or MALLS/DRI 0.95 156 DS 0.75–1.25 G6000, G5000, 0.1 M G3000 NaNO3 CMC TSK PWXL 0.1 M NaNO3 with MALLS/DRI — 157 CMC 30–60 Analytical: 0.02% NaN3 LS a TSK PWXL 0.1 M NaNO3 b /DV/RI 0.4 158–160 G5000, G4000, G3000 Preparative: 0.1 M Ammonium RI 1.1 HiLoad 26/ 60 Superdex 75 acetate CMC TSK PW 0.3 M NaCl/ DRI 0.5 161 G6000, G3000 0.03 M Na2HPO4 CMC Sepharose 0.08 M –1.0M c — 0.4 140,142 and CM-DEAE cellulose CL-2B NaCl a Guard column G2500. b Two-angle LS. c Concentration range used at pH 2.5, 6, or 12. procedure can be used to determine the Mw of CMC. The neutral polymer dextran is commonly used for universal calibration of the SEC system. It has been proven valid for alkaline (0.5 M NaOH) and acid (0.4 M acetate buffer, pH 5) conditions (154). However, the authors recommended the alkaline eluent for MMD characterizations, due to the lower hydrodynamic volume of the CMC and to the lack of aggregation as compared to the acetate buffer system. © 2004 by Marcel Dekker, Inc.
Table 8 SEC Conditions for Characterization of Nonionic Cellulose Ethers Sample Packing material and pore size designation Mobile phase Detector(s) and wavelength (nm) Flow rate (mL/min) Reference MC, HEC, Diol modified MeOH:10 mM LALLS/DRI — 162 HPC, EHEC, HPMC LiChrospher 4000, 1000, 300 HEC TSK PW G5000, G4000 HPMC Methacrylate, a Hydroxylatedpoly- etherbased b HPMC TSK PW G6000, G5000, G4000 MC d TSK PW G1000 Benzylated PL gel f 10000, 1000, 500 pulps e HEC, HMHEC g , (CMC) HMCMC g HMCMC g TSK PW G6000, G4000 TSK PW G6000, G4000 TSK SWXL HPC-IND h Ultrastyragel f 10 4 ,10 3 , 500, 2 100 CEPAN i j — 10 4 ,10 3 , 500 NaCl (aq) (50:50) 0.05 M NaCl with 0.02% NaN3 Buffer c :MeOH (4:1) Phosphate buffer, I ¼ 0.1, pH 6.5 LALLS/DRI or UV (208)/ DRI 0.8 163 DRI 1.0 164 MALLS/RI 0.8 165 0.05 M NaCl RI 1.0 166 THF UV — 167 0.1 M NaNO3 MALLS/DRI — 144 0.1 M NaNO3 MALLS/DRI — 145 THF DRI/UV (265) — 143 3% LiCl/ DMAc a Exclusion limit 80,000 polyethylene glycols (PEG). — 1.0 146 b Exclusion limit 1000 PEG. c 10 mM KCl, 13 mM sodium borate decahydrate, 1.5 mM dextrose, and 90 mM boric acid. d Trade name: Methocel A15-LV. e From sugar cane bagasse. f Exclusion limit in A˚ 210 ( ¼ 10 m). g HMHEC modified with C16 and HMCMC modified with hexadecylamine. h Indometacin (IND) grafted onto hydroxypropyl cellulose (HPC). i Cellulose–polyacrylonitrile copolymer. j Packing material not reported. © 2004 by Marcel Dekker, Inc.
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MARCEL DEKKER Handbook of Size Excl
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CHROMATOGRAPHIC SCIENCE SERIES A Se
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60. Modern Chromatographic Analysis
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Preface to the Second Edition Gel p
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Preface to the First Edition Molecu
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Contents Preface to the Second Edit
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17. Size Exclusion Chromatography o
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James F. Curry Analytical Departmen
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Iwao Teraoka, Ph.D. Othmer Departme
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The graphical data display typicall
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polymer molecule can elute. The tot
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individual states) allowed to them.
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unsaturation while the IR detector
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Sampleconcentrationshouldbeminimize
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averagesdefinedintermsofthemolecula
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information regarding appropriate M
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Analytical. Two models, the KMX-6 a
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Figure 6 Overlay of time-sliced pea
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accurately for very large and very
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4 GENERAL REFERENCES The interested
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46. TA Chamberlin, HE Tuinstra. US
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materials are commercially availabl
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Table 1 Commercial Column Packing M
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necessarily comparable. For this re
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adjusted such that the pore size di
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narrowmolecular weight range, indiv
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Figure 8 Effect of particle size on
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Figure 9 SEC calibration using poly
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Table 4 Typical Eluent Systems for
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Figure 12 Analysis of poly-2-vinyl
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24. E Meehan, S O’Donohue. The ro
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into accepted laboratory techniques
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Table 1 Trace Metal Impurities in C
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mass and biological activity, for m
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Experimental efficiency vs. velocit
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Table 3 Properties of SEC Silica Ge
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operate at aflow rate that can easi
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Figure 3 Efficiency of amide-bonded
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mechanically stable packing materia
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Figure 5 Pore size distributions of
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Figure 6 Separation of polystyrenes
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60-120 A ˚ are large enough to be
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Table 6 Selected Silica-Based Colum
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Table 7 Separation Ranges for Polym
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the decline in permeability is perm
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sample components can be varied by
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Figure 10 Diol bonding reactions. I
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ecause of the higher relative molec
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valuesfork1,k2,anda,theunknownmolec
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water-soluble and detergent-soluble
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the importance of secondary retenti
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discussed in Table 8(33). Based on
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individual dispersion processes ins
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The detector time constant can dist
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5.3 Mobile Phase A mobile phase is
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less steep and still linear at high
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35. P Bristow, J Knox. Chromatograp
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112. K Gooding, K Lu, G Vanecek, F
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for branched polymers or copolymers
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Figure 1 “Bridge design” flow-r
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Figure 3 A light-scattering photome
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Figure 5 SEC universal calibration
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where hn is the hydrodynamic volume
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It should be noted that dn=dc also
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sensitivity for many samples compar
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that is, log[h] vs. logM,generated
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Figure 8 Effect of band broadening
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Table 1 Measurement of Molecular We
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Figure 10 Differential refractomete
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Figure 11 (A) Mark-Houwink plot of
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Table 3 Measurement of Molecular We
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size information is derived from un
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Table 5 Molecular Weight Distributi
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By measuring the scattered intensit
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8 APPENDIX: INSTRUMENT COMPANIES 8.
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53. G Marot, J Lesec. J Liq Chromat
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125. D Slootmaekers, JAPP Van Dijk,
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200. JG Bindels, GJJ Bessems, BM De
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possibly with hydrodynamic volume (
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An insurmountable limitation of SEC
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to sDR(V) when either nPS ¼nPB ¼c
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1,4-trans;and8%1,2-vynil.TheglobalC
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The goal is to find the MWD and CCD
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As expected, pS is closer to the no
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Figure 3 Example 3: MWD and BD of a
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9. BH Zimm, WH Stockmayer. The dime
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45. RO Bielsa, GR Meira. Linear cop
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solubility properties. They are use
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determination of the absolute molec
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Figure 4 Result of the PBT analysis
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Figure 8 Result of natural spider s
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7 Size Exclusion Chromatography of
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As pointed out earlier, rubber must
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Table 2 Various Solvents and Operat
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Figure 2 Typical GPC calibrations w
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© 2004 by Marcel Dekker, Inc. Figu
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Natural and Synthetic Rubbe177 vari
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Another example, shown in Fig. 5 (3
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APPENDIX: SEC CONDITIONS FOR RUBBER
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Appendix (Continued) Polymer Column
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Page 203 and 204:
Page 205 and 206:
5. J West, E Rodriguez. Rubber Chem
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associate. Girdler (67) and Speight
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Table 1 Fractions Obtained Using Co
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Figure 1 SEC analyses of an aged as
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Apparently more polar compounds are
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40% was fractionated into four frac
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Figure 7 SEC analyses of an unaged
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Figure 9 Comparison of percentage L
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Figure 11 Comparison of SEC chromat
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Figure 12 Comparisons of SEC chroma
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percentage LMS at the other locatio
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the total area into up to 12 sectio
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attempted to develop an SEC method
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parameterisbasedontheinternalpressu
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5 MODIFIED ASPHALTS The addition of
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Oxidation of the rubber and asphalt
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Figure 20 SEC chromatogram for an a
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Figure 21 Comparisons of apparent m
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© 2004 by Marcel Dekker, Inc. S/
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PS/10 4 þ 10 3 þ 500 þ 100 THF/1
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Nevertheless, SEC of asphalts is es
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56. NW Garrick, RR Biskur. Trans Re
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Asphalts 235 122. M-S Lin, JM Chaff
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Page 255 and 256:
Table 1 Applications of Acrylamide
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(AM/AA), and acrylamide/dimethyldia
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polymer, a large size filter of 5,
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Figure 1 Size exclusion chromatogra
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Table3 MWandMWDofaBroad-MWDPAMStand
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Another commercially available MW d
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Table 5 Weight-Average Molecular We
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Figure 6 (a) Size exclusion chromat
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compared to anormal product. By com
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StudyingtheKineticsofaChemicalReact
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this information, the higher MW pea
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Page 279 and 280:
Page 281 and 282:
46. CJ Kim, A Hamielec, A Bendek. J
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Page 285 and 286:
A relatively new technique utilizin
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where ais the exponent of the Mark-
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Figure 2 TDS chromatograms for full
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Figure 5 Comparison of molecular we
Page 293 and 294: Table 3 Summary of TDS Molecular We
Page 295 and 296: thepartiallyhydrolyzedPVAwiththecol
Page 297 and 298: Table 5 Summary of Conformation and
Page 299 and 300: a¼0.627andlog(K) ¼23.249.Theseare
Page 301 and 302: The limits of detection of the PVA
Page 303 and 304: Figure 12 PVAc broad molecular weig
Page 305 and 306: 4 SUMMARY Advances in SEC character
Page 307 and 308: 11 Size Exclusion Chromatography of
Page 309 and 310: 2.1 Molecular Weight Grades of PVP
Page 311 and 312: exclusion chromatography with low-a
Page 313 and 314: weightandmolecularweightdistributio
Page 315 and 316: © 2004 by Marcel Dekker, Inc. Figu
Page 317 and 318: Figure 4 PEOcalibrationofUltrahydro
Page 319 and 320: Figure 6 Overlay of GPC chromatogra
Page 321 and 322: plus Ultrahydrogel 120 A ˚ ,Shodex
Page 323 and 324: Figure 10 SEC traces of PVP/AA copo
Page 325 and 326: Figure 11 Molecular weight distribu
Page 327 and 328: 12 Size Exclusion Chromatography of
Page 329 and 330: 2 CHEMICAL, MACROMOLECULAR AND MORP
Page 331 and 332: Table 2 The Relative Composition of
Page 333 and 334: considered to be 3. After the DS ha
Page 335 and 336: een extensively studied by methods
Page 337 and 338: The silylation was performed in LiC
Page 339 and 340: observed using column materials hav
Page 341 and 342: Table 6 (Continued) Packing materia
Page 343: 4.5 Other Cellulose Derivatives Bes
Page 347 and 348: dextrans swell too much in cadoxen
Page 349 and 350: stirring at room temperature for an
Page 351 and 352: Figure 2 MMDofunbleached(HP)andblea
Page 353 and 354: Figure 4 MMDofbirchkraftpulpdegrade
Page 355 and 356: adequate when evaluating the influe
Page 357 and 358: differential refractive index (DRI)
Page 359 and 360: 30. HA Krässig. Effects of structu
Page 361 and 362: 67. E Sjöholm, K Gustafsson, A Col
Page 363 and 364: 104. B Fleury, J Dubois, C Léonard
Page 365 and 366: 136. D Miller, D Senior, R Sutcliff
Page 367 and 368: 166. SS Cutié, CG Smith. Determina
Page 369 and 370: 200. R Berggren, F Berthold, E Sjö
Page 371 and 372: 13 Molar Mass and Size Distribution
Page 373 and 374: measurements, and vapor pressure os
Page 375 and 376: The calibration of SEC columns by c
Page 377 and 378: The division according to eluent ty
Page 379 and 380: Apolymer produced by UV irradiation
Page 381 and 382: Because DMAC/LiCl is also agood sol
Page 383 and 384: compoundsandwasexplainedbyadsorptio
Page 385 and 386: isolated lignins because they are e
Page 387 and 388: The Separon HEMA and Separon HEMA B
Page 389 and 390: Figure 4 GPC elution curves of the
Page 391 and 392: liquor is highest throughout the co
Page 393 and 394: topological anisotropy in the polym
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29. M Ristolainen, R Alen, J Knuuti
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eds. Proc Int Symp 1998. Canton, Pe
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92. L Jurasek. Towards a three dime
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Table 1 Selected Industries Connect
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into C3-metabolites, which then may
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Table 4 Key Enzymes in the Biosynth
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Table 5 Cloned Mutants of Starch En
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Figure 3 Modeled x-ray diffraction
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In the native environment (plant ce
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Figure 6 (a) Large starch granules
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number of branching points); crossl
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Both absolute approaches are extrao
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Table 7 (Continued) Approach Experi
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structures, excluded volumes, and t
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Figure 10 (a) SEC elution profile o
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Figure 12 Wheat glucans: DRI elutio
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Figure 13 Wheat glucans. Normalized
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Figure 16 Wheat glucan. Normalized
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Figure 18 Wheat glucan.Elution prof
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Figure 20 Wheat glucans. Absolute m
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Figure 22 Wheat glucan. (a) Intrins
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Figure 24 Wheat PA-glucan. Elution
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an Ubbelohde-viscometer for concent
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Rheological investigations of stabi
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shifts to applied laser light, whic
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Table 8 Characteristic Parameters f
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Table 8 (Continued) and H2O. A part
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10. SG Ball, MHBJ van de Wal, RGF V
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52. W Praznik, R Beck. J Chromatogr
Page 453 and 454:
Page 455 and 456:
3 PROTEIN PARTITIONING IN SEC 3.1 G
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Figure 1 Plot of Kav vs. log M for
Page 459 and 460:
yconsideringtheproteinsolutestobesp
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globular proteins and selected flex
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silanol groups (52-54); even capped
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most proteins to be maximally stabl
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Figure 4 Chromatograms of BSA and P
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concentrated) steps of protein puri
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Table 3 Characteristics of Dextran-
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preparative SEC. The capabilities o
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37. GR Noll, N Nagle, JO Baker, DJ
Page 477 and 478:
Page 479 and 480:
Figure 2 Separation of total E. col
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Figure 3 Separation of HaeIII-cleav
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The recovery of DNA fragments has b
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Endotoxin should also be removed fr
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Table 3 Best Columns for the Separa
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Figure 10 Dependence of HETP on flo
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Appendix (Continued ) Polymer Colum
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REFERENCES 1. CT Wehr, SR Abbott. J
Page 495 and 496:
MALDI-MS has been applied to determ
Page 497 and 498:
Figure 1 Calibration curvesof SEC c
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Figure 3 Chromatograms of epoxy res
Page 501 and 502:
wherenandn0 aretheRIsofthesample an
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Figure 5 SEC chromatogram of n-alka
Page 505 and 506:
Figure 7 Refractive indexes of comm
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Another detector recently applied i
Page 509 and 510:
Figure 11 Absolute MW calibration p
Page 511 and 512:
Figure 12 Chromatogram of Acrawax C
Page 513 and 514:
18 Two-Dimensional Liquid Chromatog
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largerispressuredropandresultingexp
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elations between molar masses and s
Page 519 and 520:
Figure 2 (Continued) chapter, one o
Page 521 and 522:
where Nis the column efficiency exp
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composition/architecture/molar mass
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solvent. Here again, solvent-solven
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or repulsive interactions between m
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macromolecules may strongly differ
Page 531 and 532:
temperature. The efficacy of an ads
Page 533 and 534:
however, aliphatic bonded groups ma
Page 535 and 536:
Figure 10 Schematic representation
Page 537 and 538:
packing materials for SEC of synthe
Page 539 and 540:
Quantitative relations between sila
Page 541 and 542:
Both strength and thermodynamic qua
Page 543 and 544:
where Cand Dare constants for apart
Page 545 and 546:
ThisisimportantwhenLCCCisappliedtoc
Page 547 and 548:
Page 549 and 550:
Page 551 and 552:
However, strong adsorption of macro
Page 553 and 554:
elution step may be sufficient for
Page 555 and 556:
Figure 16 Block scheme of a full ad
Page 557 and 558:
processing of 2D-HPLC data. Knowled
Page 559 and 560:
Figure 20 Set of full retention-elu
Page 561 and 562:
distributions of complex polymers a
Page 563 and 564:
constituents were not discriminated
Page 565 and 566:
(Sec. 7) and therefore they can be
Page 567 and 568:
2. Identify sample solvents. First
Page 569 and 570:
1 Segmental interaction energy para
Page 571 and 572:
58. BG Belenkii. Pure Appl Chem 51:
Page 573 and 574:
19 Methods and Columns for High-Spe
Page 575 and 576:
Table 1 Summary of Methods for Incr
Page 577 and 578:
not savealot of time and solvent, d
Page 579 and 580:
Figure 3 Conventional SEC chromatog
Page 581 and 582:
chromatogram at 4mL/min, which is f
Page 583 and 584:
Sincethereductionoftheinternaldiame
Page 585 and 586:
Table 3 Summary of Column Performan
Page 587 and 588:
Figure 11 Dependence of column perf
Page 589 and 590:
. Two-dimensional chromatography ru
Page 591 and 592:
The standard deviations for the mol
Page 593 and 594:
Figure 15 Comparison of time requir
Page 595 and 596:
Figure 17 Accuracy and precision of
Page 597 and 598:
polymer analysis. Samples are “ru
Page 599 and 600:
just ignoring the fractionation of
Page 601 and 602:
20 Automatic Continuous Mixing Tech
Page 603 and 604:
out at low enough concentration tha
Page 605 and 606:
educed viscosity, h r, to be comput
Page 607 and 608:
© 2004 by Marcel Dekker, Inc. Figu
Page 609 and 610:
Figure 2 Raw ACOMP signals from mul
Page 611 and 612:
Figure 4 Mw vs. monomer conversion,
Page 613 and 614:
decreases smoothly and monotonicall
Page 615 and 616:
Figure 7 Effects of fluctuating rea
Page 617 and 618:
Finally, the use of a light-scatter
Page 619 and 620:
Figure 8 Linear and cubic increases
Page 621 and 622:
where r(t) is now given by 2 6 r(t)
Page 623 and 624:
Figure 11 Light scattering from sol
Page 625 and 626:
3.1 ASimple System: Equilibrium Cha
Page 627 and 628:
Figure 13 (a) ACM applied to the ch
Page 629 and 630:
Also of note in Fig. 13b is how hig
Page 631 and 632:
15. JM Starita, CL Rohn. Rheologica
Page 633 and 634:
52. M Hulden. Hydrophobically modif
Page 635 and 636:
21 Light Scattering and the Solutio
Page 637 and 638:
therefore, is to remove any lingeri
Page 639 and 640:
is often found in the literature wh
Page 641 and 642:
Figure 2 Configuration of an SEC se
Page 643 and 644:
5 THE IMPORTANCE OF SOFTWARE Like a
Page 645 and 646:
standard deviations of the measured
Page 647 and 648:
These include the differential weig
Page 649 and 650:
Figure 8 Data of Fig. 7corrected fo
Page 651 and 652:
Figure 11 Data of Fig. 10 with spik
Page 653 and 654:
Figure 13 Fitstodatacollectedatasli
Page 655 and 656:
Table 1 Errors (in %) Characteristi
Page 657 and 658:
homogeneous copolymer, that is, tak
Page 659 and 660:
process may be used to identify the
Page 661 and 662:
fractionated sample. They represent
Page 663 and 664:
Figure 16 An example of poor SEC ch
Page 665 and 666:
on) methods, whereby the average di
Page 667 and 668:
23. WH Stockmayer, LD Moore Jr, M F
Page 669 and 670:
condition, as is explained in this
Page 671 and 672:
Figure 2 Partition coefficients KL
Page 673 and 674:
4 COLUMNS FOR HOPC Detailsaregiveni
Page 675 and 676:
and concomitant clogging of columns
Page 677 and 678:
Figure 5 Concentration dependence o
Page 679 and 680:
Table 1 Solution Volume, Polymer Ma
Page 681 and 682:
in Fig. 4a. The middle fractions (8
Page 683 and 684:
Figure 10 SEC chromatograms for som
Page 685 and 686:
appropriate for the early fractions
Page 687 and 688:
23 Size Exclusion/ Hydrodynamic Chr
Page 689 and 690:
Figure 2 Calibration curve for the
Page 691 and 692:
Figure 5 Elutionbehaviorofpolystyre
Page 693 and 694:
Table 1 Comparison Between SEC and
Page 695 and 696:
egular SEC column in which the pore
Page 697:
Such an ideal separation can be obt
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