What is P.P.M (Parts Per Million)
AnswerBot
1mo
P.P.M (Parts Per Million) is a unit of measurement used to express very low concentrations of substances in water or air.
P.P.M is used to measure the amount of a substance in a million parts of a solu...read more
Anonymous
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1mo
- One Particle of Silica Dissolved in Million Particle of Distillate Water represent of the P.P.M
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