Ppm sentence example

ppm
  • As the silicon crystal grows oxygen is incorporated as an interstitial atom in the silicon matrix at a concentration of typically 10-40 ppm.

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  • Therefore the true concentration of the colloidal calcium carbonate is likely to have been 89 or 101 ppm as CaCO3.

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  • Dalradian limestones commonly have Sr greater than 1000 ppm, indicating primary aragonite and marine diagenesis.

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  • There was a clear dose related increase in parathyroid gland hyperplasia from the lowest dose 400 ppm.

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  • The dolomite marbles have an average Sr content of 115 ppm.

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  • Peated to 55 ppm phenols at the end of malting, this whiskey had been matured for ' many years ' in hand-picked casks.

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  • The units of R are percent sucrose equivalent; the units of C are parts per million (ppm ).

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  • The units of R are percent sucrose equivalent; the units of C are parts per million (ppm).

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  • The Occupational Safety and Health Administration (OSHA) has established a maximum permissible exposure level of 50 parts per million (ppm) over eight hours.

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  • With exposure to 200 ppm for two to three hours, a person begins to experience headache, fatigue, nausea, and dizziness.

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  • The levels of naturally occurring fluoride in fresh water range from less than 0.1 ppm to more than 13 ppm.

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  • With optimally fluoridated water (1 ppm) as the primary source of fluoride, a child would have to drink two quarts of water every day for 12 to 14 years to incorporate fluoride into all of the baby and adult teeth as they form.

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  • Fluoride supplements should not be used if the drinking water contains more than 0.6 ppm of fluoride.

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  • One ppm of fluoride is equivalent to about 1 mg per quart (or liter) of water.

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  • Bear in mind gluten free labeling is voluntary and the FDA's current definition of gluten-free is 20 parts per million (ppm) or more gluten in the food.

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  • Upon laboratory analysis, all three brands had gluten levels in excess of the limit proposed by the CSA, with values ranging from below detectable limits in two samples to 1807 ppm gluten.

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  • Bear in mind that the U.S. Food and Drug Administration rating is for foods which are 20 parts per million (ppm) or less gluten in the food.

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