Figure 2

Superposition of X-ray diffraction patterns of metoprolol, β-blocker1; (●): before radiation, and the rest after γ-irradiation doses; (○): 5 kGy dose; (▲): 15 kGy dose; (∆): 20 kGy dose; (■): 40 kGy dose and (□): 50 kGy dose.

Superposition of X-ray diffraction patterns of metoprolol, β-blocker1; (●): before radiation, and the rest after γ-irradiation doses; (○): 5 kGy dose; (▲): 15 kGy dose; (∆): 20 kGy dose; (■): 40 kGy dose and (□): 50 kGy dose.