ppm


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ppm

abbr.
parts per million

ppm

abbreviation for
1. (Chemistry) chem parts per million
2. (Broadcasting) Also: PPM peak programme meter

ppm

1. Also, p.p.m. parts per million.
2. pulse per minute.
Translations

ppm

ABBR =parts per millionppm
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References in periodicals archive ?
3] 50 ppm sprayed at two to four leaf stages were effective for increasing seed yield.
They found that highest number of shoots was produced in control of NAA and 3 ppm BAP.
It should be noted that XRF is an excellent technique however if the concentration is below 100 ppm the instrument cannot determine the concentration of that particular component with accuracy.
For lead, top 10 samples that contained the chemical beyond the allowed limit were Baolishi #20 (green case) with 18,500 ppm, Baolishi #20 (golden case) 15,600 ppm, Baolishi #20 (yellow case) 14,000 ppm, Baolishi #20 (red case) 3,337 ppm, Baolishi #20 (yellow case) 3,258 ppm, Monaliza #20 (pink case) 2,796 ppm, Monaliza #20 (golden case) 2,613 ppm, Monaliza #20 (with cartoon case) 2,142 ppm, Kiss Beauty #7 383 ppm, Kiss Beauty #8 208 ppm and Miss Beauty #7 with 72 ppm.
The acceptable limit for human consumption of Zn is 150 ppm and for Copper (Cu) is 10 ppm as studied by Mussalo-Rauhamaa [5].
Whereas the firm-determined product price exceeds marginal revenue at every quantity beyond the first unit for a ppm (because product price must fall in order to sell additional units of output), marginal labor cost exceeds the firm-determined wage at every amount of labor beyond the first unit in the case of a rpm (because the wage must rise in order to hire additional units of labor).
Otherwise, concrete fines generated by crushers on the site tested at 110 ppm; crushed concrete tested at 17 ppm; and soil located near the crushing plants tested at 30 to 60 ppm.
About 7,600 workers face significant exposures, averaging as high as 10 ppm.
P92 is reported to perform excellently as a sole stabilizer - both in terms of melt-flow and color stability - in PP at 400 ppm use levels and extrusion temperatures up to 650 F.