amount of substance

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amount of substance

[ə′mau̇nt əv ′səb·stəns]
(chemistry)
A measure of the number of elementary entities present in a substance or system; usually measured in moles.
References in periodicals archive ?
In these cases, seeking to assure the complete dispersion of the magnetic filler in the reaction medium, maghem ite was inserted before acidification in four different chemical amounts equal to 0.
Cure degree results presented very low correlation with the used chemical amounts of furfuraldehyde and sulfuric acid.
With this enhancement, users can automatically add or subtract chemical amounts directly from the balance, saving time and improving the accuracy of tracking inventory on precious chemicals.

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