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    soaps and cleaners

    配方类型: ELEMENTARY Preparations
    配方说明: soaps are made fron a fat or fatty acid and an alkali. they
    lathetr and produce a foam which entraps dirt and grease. there are
    many kinds of soaps.
    cleaners contain a solvent, such as naphtha, with or without a soap.
    abrasive cleaners are soap pastes containing powdered pumice, stone,
    ailica, etc.
    配方组成: ammonium phosphate/1
    ammonium sulfate/15
    red ochre/2
    "silex"/23
    sodium bicarbonate/9
    dry fire extinguisher
    配制方法: use powdered substances noly. mix well snd pass through a fine sieve. pack in tight containerts to prevent lumping.

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