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ppm parts per million.
PPM, ppm, abbreviation for parts per million. ppm 1. parts per million. 2. pulses 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.
ppm 1. Parts per million 2. Pulse per minute Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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