Handbook of Size Exclusion Chromatography and Related ...

Table 5 (Continued)
Polymer
Asphalt
808C
Asphalt
908C
Column type/
pore sizes (A ˚ )
Mobile-phase
solvent/flow
rate (mL/min) Detector
Comments
Injection volume (mL)/
concentration
(mass %) References
Mixed-D PS-DVB NMP/0.5 MW UV 20/— 80
S/60 THF/1 UV (220) 25/0.05 59
a Analyses are at 258C or room temperature unless otherwise noted. PS ¼ polystyrene, S ¼ silica, THF ¼ tetrahydrofuran, Tol ¼ toluene, MeOH ¼ methanol,
Bz ¼ benzene, CHCl 3 ¼ chloroform, Bznt ¼ benzonitrite, Tet ¼ tetraline, Pyr ¼ pyridine, Xyl ¼ xylene, Crs ¼ cresol, RI ¼ refractive index, UV(l) ¼ UV
detector at l nm, Prep ¼ preparative SEC, detector not used, ELSD ¼ evaporative light-scattering detector, RD-FID ¼ rotating disk FID, MW-FID ¼ moving
wire FID, ICP ¼ inductively coupled plasma, MW UV ¼ multiwavelength UV visible, VI ¼ viscosity detector.
b May include aged asphalt material, air-blown residue, asphalt fractions, or crude oils.
c Data not reported.
d Crude oil or its fractions.
e Nickel and vanadium determinations.
f Poly(divinylbenzene) Jordi-gel.
g N-methylpyrrolidinone.
© 2004 by Marcel Dekker, Inc.