People Power Movement (Philippines) Personnel & Property Manager Parent Partition Mapping People’s Progressive Movement Period of Performance and Maintenance Pre-Assembled Power Module (wind turbines) Programme and Project Management (various organizations) Planning and Performance Management (various organizations) Piecewise Parabolic Method
Parts per million (ppm) is a commonly used unit of concentration for small values. One part per million is one part of solute per one million parts solvent or 10 -6. Parts per million and other "parts per" notations (e.g., parts per billion or parts per trillion) are dimensionless quantities with no units.
Meaning of ppm in English. ppm. noun [ U ] uk / ˌpiː.piːˈem / us / ˌpiː.piːˈem /. Add to word list Add to word list. abbreviation for parts per million (= a unit for measuring the amount of a substance that is mixed with a liquid or another substance)
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what is ppm stand for
