Chromatographic Characterization of Polymers: Hyphenated and Multidimensional TechniquesPresents an overview of the recent developments in the use of hyphenated multidimensional separation and detection techniques for the characterization of polymeric materials. Reports on successful multidimensional chromatographic methods and multiple detector systems. Includes an analysis of compositional heterogeneity in copolymers and blends. |
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Page 79
... method of signal matching in multidetector size - exclusion chro- matography ( SEC ) in which signals are matched according to the hydrodynamic volume of the eluants in each detector is presented . This method is based on an independent ...
... method of signal matching in multidetector size - exclusion chro- matography ( SEC ) in which signals are matched according to the hydrodynamic volume of the eluants in each detector is presented . This method is based on an independent ...
Page 83
... method is an experimental one that uses the MWD of the standard as determined from the SEC concentration chromatogram . The second method is a theoretical treatment of the data that approximates the MWD of the standards with a known ...
... method is an experimental one that uses the MWD of the standard as determined from the SEC concentration chromatogram . The second method is a theoretical treatment of the data that approximates the MWD of the standards with a known ...
Page 84
... method is subject to errors arising from the assumption of a form for the MWD . Also , because the data from each standard alone are used in this method , it is subject to errors in the values of the parameters supplied with the ...
... method is subject to errors arising from the assumption of a form for the MWD . Also , because the data from each standard alone are used in this method , it is subject to errors in the values of the parameters supplied with the ...
Contents
Limiting Conditions in the Liquid Chromatography of Polymers | 13 |
Isoperichoric Focusing FieldFlow Fractionation Based | 21 |
SizeExclusion Chromatography with Electrospray Mass | 41 |
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Common terms and phrases
1995 American Chemical American Chemical Society analysis angle average block copolymer branching calculated calibration curve carbon-coated carrier liquid cell characterization Chem chemical composition chromatogram coefficient column temperature components concentration detector cotton fiber density gradient detection determined dextrans disc dn/dc effect eluent elution volume equation errors experimental film morphology flow rate focused zones focusing FFF fraction homopolymers HPLC injected intrinsic viscosity ISBN Janča LACCC LALLS laser light scattering light-scattering detector linear Macromolecules macromonomers Mark-Houwink measured methacrylate method mobile phase molar mass obtained oligomers on-line parameters particle-scattering function particles peak plot PMMA polydispersity polyester polymerization polystyrene polystyrene standards Provder pullulans radius of gyration random coil ratio refractive index refractometer retention volume sample SEC column separation shown in Figure signal silica gel size-exclusion chromatography solvent spectra star-branched styrene techniques ThFFF toluene universal calibration values viscometer viscometry