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: |
carbon tetrachloride/95 solvent naphtpa/5 fire-exting uishing liquid |
配制方法: |
the maphtha minimizes the development of toxicfumes when extinguishing fires. |
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