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You are here: Home / Explanatory Dictionary / Milligram per liter

Milligram per liter

a unit concentration of matter used in reporting the results of water andwaste-water analyses. In dilute water solutions, it is practially equal to the part per million, but varies from the ppm in concentrated solutions such as brine. As most analyses are performed on measured volumes of water, the mg/l is a more accurate expression of the concentration, and is the preferred unit of measure.

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Water Quality Specialists

Definitioner

PPM
the abbreviation for part per million.
mg/l
The abbreviation for milligrams per liter.
Brine
a strong solution of salts, such as the sodium chloride brine used in the regeneration of ion exchange water softeners, but also applied to the mixed sodium, calcium and magnesium chloride waste solution from regeneration.