What is parts per million(ppm) ?
This is the method to express be pollutants present in air, water, Soil,….etc. It is the method of representation of all solute Which is present in trace amount.
In such way the amount of solute is present in one million of solution.
ppm= Weight of solute/Weight of solution X106
Parts per million FAQ.
Q.What is use of ppm?
Hardness of water and air pollution are represented by ppm.
