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

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.
References in periodicals archive ?
Conclusions that we drew from these recent experiments were: * Sb concentrations as low as 100 ppm
Cations such as Ca2+ and Mg2+were found in the range 16-56 ppm and 10-58 ppm respectively (Fig.
Pretty Girl Beautiful Colors, P40, with 554 ppm mercury;
Twelve test cockerels were exposed to 1 ppm acrolein ([is greater than] 97% pure; Sigma-Aldrich, St.
Comparing a compound of virgin PP with 500 ppm hindered phenolic antioxidant and 1000 ppm calcium stearate to virgin PP plus 500 ppm Ultranox 626, Dietz found that the virgin/phenolic compound had a melt flow rate of 5 g/10 min after the initial extruder pass, and more than 12 MFR by the fifth pass.
08 ppm was more protective of public health than either the original one-hour 0.