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. Author manuscript; available in PMC: 2006 Jan 20.
Published in final edited form as: Anal Chem. 2004 Jul 15;76(14):3944–3950. doi: 10.1021/ac049724

Table 3.

Signal-to-Noise Ratios of Charge States of Cytochrome c (10−5 M) Formed from Aqueous Solutions Containing 2.0 × 10−2 M Sodium Chloride and 0 or 7 M Ammonium Acetatea

[NH4Ac] (M) 8+ 7+ 6+
0 22 ± 21 12 ± 10 < 2
7 24 ± 10 147 ± 84 5 ± 4
a

For each solution, the signal-to-noise ratio of the charge state of highest abundance is in boldface type. Reported errors are ±1 standard deviation from the mean for eight replicate measurements.