Question

what is the full form of ppm?​

Answer 1

Answer:

This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing. ... This procedure would produce an ink concentration of 1 ppm.

Answer 2

Parts Per Million.......