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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:
borax/1.75
ammonium sulfate/8.00
water/100.00
boric acid/3.00
fireproof paper
配制方法:
the ingredients are mixed together in a gall9on jug by shaking until dissikved.
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