ppm meaning in oil and gas
Definition
parts per million
ppm means parts per million. Usually used as an expression of the level of impurities in a product. Expressed on a weight by weight basis. Also used to express concentrations of gas/vapor contaminants in the atmoshpere…
Usually used as an expression of the level of impurities in a product. Expressed on a weight by weight basis. Also used to express concentrations of gas/vapor contaminants in the atmoshpere on a volume/volume basis.
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