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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Int J Mass Spectrom. 2017 Dec 24;427:157–164. doi: 10.1016/j.ijms.2017.12.006

Table 2.

Average protein charge state with 0.1% TFA or 0.1% FA ion-pairing agent. n/a=not available.

Protein TFA + m-NBA + 3-NPEA + TES + MOZ
Lysozyme 6.1 11.4 13.5 10.6 10.3
RNase A 6.2 11.6 n/a 9.7 n/a
Protein FA + m-NBA + 3-NPEA + TES + MOZ
Lysozyme 9.7 12.9 12.5 12.0 12.6
RNase A 11.0 13.7 12.7 n/a 12.7