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FTIR spectra in the ranges 400–4000 (A) and 400–2000 (B) cm−1 of initial pharmacopoeia dioxidine (1), dioxidine obtained at a minimal carrier gas flow (2), dioxidine obtained with a carrier gas (CO2) flow of 7.0 × 1016 (3), and dioxidine obtained at a maximum carrier gas flow of 6.97 × 1017 moleculs s−1 cm−2 (4).
