relative molecular mass


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relative molecular mass

relative molecular mass

n
(Chemistry) the sum of all the relative atomic masses of the atoms in a molecule; the ratio of the average mass per molecule of a specified isotopic composition of a substance to one-twelfth the mass of an atom of carbon-12. Symbol: Mr Abbreviation: r.m.m. Former name: molecular weight
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Noun1.relative molecular mass - (chemistry) the sum of the relative atomic masses of the constituent atoms of a moleculerelative molecular mass - (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule
mass - the property of a body that causes it to have weight in a gravitational field
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
References in periodicals archive ?
(2) HPAM, relative molecular mass 12 million, Karamay Xinke chemical (Group) Co., Ltd.; the degree of hydrolysis is 22.3%.
The relative molecular mass of naphthane is 138 and the compounds with the characteristic ions of M/Z:152, 166, 180, 194, 208, and 222 aremethyl-, dimethyl, trimethyl-, tetramethyl-, pentamethyl-, and hexamethylnaphthane, respectively.
(25) has reported that relative peak area of melting peaks at higher temperature increased along with isotacticity or relative molecular mass of PP and PP with higher relative molecular mass or higher isotacticity had longer crystallizable propylene sequence and formed thicker lamella.
The trypsins isolated from the midgut of various insects typically exhibit relative molecular mass (Mr) from 20,000 to 35,000 and alkaline pH optima (TERRA; FERREIRA, 1994).

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