Search results
We did not find results for: Parts per Billion.
Check spelling or type a new query.
We did not find results for: Parts per Billion.
Check spelling or type a new query.
At 1 ppm the solution is a very pale yellow. As the concentration increases the colour becomes a more vibrant yellow, then orange, with the final 10,000 ppm a deep red colour.]] In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-qu... Wikipedia