Around the 1-13th century AD, the Persians used a solution of zinc vitriol (ZnSO4×7H2O) to treat eye inflammations. Zinc sulphate (ZnSO4) is used in medicine as an adstringent and antiseptic even today.
Around the 1-13th century AD, the Persians used a solution of zinc vitriol (ZnSO4×7H2O) to treat eye inflammations. Zinc sulphate (ZnSO4) is used in medicine as an adstringent and antiseptic even today.
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