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Soaking remedies of pH two and pH 13 ended up geared up by diluting 37% HCl and NaOH pellets respectively and adjusted by an Eutech pH seven hundred m. A pH seven soaking Option was geared up by using de-ionized water. To each soaking Alternative, pre-weighed biodegradable masks with mass M0 ended up submerged in the solution and still left to
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