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 ?
Frequency and amount of substance used Frequency and Amount of Substance Used Frequency Rank One bottle/once a day 6 1st Two bottles/ month 3 2nd 45 ml/ once a week 2 3rd
In chemistry, the amount of substance is measured by the mole, which is defined as:
The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.
In his foreword written for Harmony, a book written by Yan Lijin, Mushahid said his book combines rigorous research of a scholar, with an impressive amount of substance provided by his experience and expertise as a hands-on professional.
He also seems to climb on the wagon far too easily, and there's not a huge amount of substance to the predictable plot.
It's basically pretty well acted, too, by Huw Higginson and Hannah Waterman, who find a fair amount of substance in these characters, although a few rough edges were evident on opening night.
A mole is an amount of substance that contains the same number of elementary units as there are [sup.
The reader must make an effort to follow this exposition and is sometimes frustrated to find only a modest amount of substance at the end.
Lastly, if the level of the substance in your delivery system will increase total aggregate consumption of the ingredient to a level greater than the acceptable daily intake (ADI), a separate GRAS determination or FDA approval may have to be obtained to ensure no harm should come from the increased body burden resulting from the additional amount of substance in the diet.
The third column, in turn, gives the amount of substance consumed by each group, with minimum and maximum values.
What we have here is a facility that will add a great amount of substance to the quality of life to the residents of Palmdale.
People come to expect a certain amount of substance from us," Willse says of the reports, which can often be found at real estate offices and open houses.