Environmental Hazard of Polypropylene from Disposable Face Masks Linked to the COVID-19 Pandemic and Its Possible Mitigation Techniques through a Green Approach

Figure 4

(a) IR spectra of PP films in NB (control). (b) IR spectra of PP films in NB (treated). (c) IR spectra of PP films in NA (control). (d) IR spectra of PP films in NA (treated). (e) IR spectra of PP films in BHM broth (control). (f) IR spectra of PP films in BHM broth (treated). (g) IR spectra of PP films in BHM agar (control). (h) IR spectra of PP films in BHM agar (treated). (i) IR spectra of PP films in MSM broth (control). (j) IR spectra of PP films in MSM broth (treated). (k) IR spectra of PP films in MSM agar (control). (l) IR spectra of PP films in MSM agar (treated).

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