Question

what do you understand by PPM​

Answer 1

Answer:

Hello my friend I am kutti

Explanation:

Just as per cent means of hundred so parts per million or PPM means out of a million. Usually describe the concentration of some thing in water or soil

Answer 2

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.

hope it helps u.......

_______________@divu