| 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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