ppm


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ppm

 
1. parts per million.
2. pulses per minute.

ppm

Abbreviation for parts per million.

ppm

parts per million.

PPM, ppm

abbreviation for parts per million.

ppm

1. Parts per million.
2. Pulse per minute.

ppm (parts per million),

n a standardized measurement used to describe the level of fluoride in products that contain it (e.g., toothpaste, mouthrinse, and water).

ppm

abbreviation for parts per million; a weight-for-weight (w/w) concentration equal to 1 mg/kg or 1 g/tonne. Used most commonly to express the concentration of toxicants or trace elements in water, feeds, solvents and tissues.
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