Figure 11

Variation of the enthalpies (ΔHi) determined by (TGA, DTA) techniques against the γ-irradiation doses (D) varying from (0–50 kGy) for metoprolol. (●): melting of metoprolol; (○): stepwise oxidative decomposition of metoprolol.
Variation of the enthalpies (ΔHi) determined by (TGA, DTA) techniques against the γ-irradiation doses (D) varying from (0–50 kGy) for metoprolol. (●): melting of metoprolol; (○): stepwise oxidative decomposition of metoprolol.