例文
- This sulfonic acid on oxidation with bleaching powder or with lead peroxide, in alkaline solution yields "'chloramine yellow "', which dyes cotton a beautiful yellow.
- The mixture in the grooved sheet's depressions was then electrolytically reduced to sponge lead, forming a functional lead-acid cell electrode ( if subsequently used as a positive electrode, the sponge lead was converted to lead peroxide during the cell's initial " formation " charge ).
