decinormal

[des-uh-nawr-muhl]

adjective

Chemistry.

1. (of a solution) containing 1/10 (0.1) the equivalent weight of solute per liter of solution.

Word History and Origins

Origin of decinormal¹

First recorded in 1860–65; deci- + normal

Example Sentences

Thus the statement that the migration constant or transport number for a decinormal solution of copper sulphate is 0.632 implies that of every gramme of copper sulphate lost by a solution containing originally one-tenth of a gramme equivalent per litre when a current is passed through it between platinum electrodes, 0.632 gramme is taken from the cathode vessel and 0.368 gramme from the anode vessel.

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A decinormal solution contains one-tenth of a gramme-molecule of the solute per litre, and a centinormal solution one-hundredth of a gramme-molecule.

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The mixture is then cooled, acidified by means of sulphuric acid, and titrated with decinormal sodium thiosulphate solution.

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In one case, for example, decinormal solutions of potassium carbonate and potassium bichromate were used.

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Thus decinormal jelly solutions of barium chloride and sodium chloride, the latter containing a trace of sodium sulphate, were placed in contact.

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