molar_mass_measurement - Table 1.3 Molar mass measurement...

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Unformatted text preview: Table 1.3 Molar mass measurement methods ___—___________...._...__—-.u—-———-—--——-——- Method Absolute Relative Mn Mw A2 Range (g mol“) W End group analysis )4 x Mn < 10 000 Vapor pressure x x x Mn < 30 000 osmometry . Cryoscopy x x x Mn < 30 000 Ebulliometry x >< x M,1 < 30 000 Membrane osmometry x X x 20 000 < M n Light scattering (LS) x X x i04< JlrIw<1€I7 Intrinsic viscosity (IV) x M < 105 SEC“ with c detector x x x 103 < M < 107 SEC" with c and LS detectors x x 104 <M<107 SEC“ with c and IV detectors x x x 103 <: M < 10‘5 MALDI-TOF-MS” x x x M< 10 000 W 'SEC, size exciusion chromatography. i1MALDI-TOF-MS, matrix-assisted laser desorption! ionization Lime-of-flight mass spectroscopy. ...
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