Skip to main content
. 2012 Jan;50(1):21–25. doi: 10.1093/chromsci/bmr015

Table II.

Recovery of Polysorbate 80 Spiked in Monoclonal Antibody Drug Substance Sample at Three Levels*

Spiked Sample Theoretical Conc. Experimental Conc. %Recovery
# (v/v %) (v/v %)
1 0.005 0.0046 92.0
2 0.010 0.0088 88.0
3 0.015 0.0130 93.3

*Both sample and standard preparations involved SPE clean-up step