aPlasma IgG solution (11 mg/mL) with no aggregate
spike
bAggregate-spiked plasma IgG solution (11 mg/mL);
plasma IgG spiked at 0.5% with IgG aggregate (14.8% dimer and 57.1%
trimer or larger species) prepared for application to column
chromatography and adjusted to 11 mg/mL for analysis and virus
filtration