CLEAPSS DT - Supporting practical work in science, technology and art

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Liquid bleaches: mostly contain sodium hypochlorite, which releases chlorine as the active ingredient. Some types, eg, Stain Devils 4 & 6, may use peroxides instead.Solid bleach powders: contain either calcium hypochlorite or possibly sodium perborate. Bleach tablets release chlorine in solution from sodium dichloroisocyanurate.
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