| 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. |
|
