Research Article

A Rapid, Isocratic HPLC Method for Determination of Insulin and Its Degradation Product

Figure 1

(a) Insulin standard in addition of IS (o-nitrophenol). (b) Degraded insulin in addition of IS (o-nitrophenol) and vial additives (phenol and m-cresol).
749823.fig.001a
(a)
749823.fig.001b
(b)