An automated apparatus for precision density measurements of liquids | Zendy

Adams W. A. | Zendy; Yank R. | Zendy; Christie R. O. | Zendy; Kruus J. | Zendy

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An automated apparatus for precision density measurements of liquids

Author(s) -

Adams W. A.,

Yank R.,

Christie R. O.,

Kruus J.

Publication year - 1974

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450520120

Subject(s) - molality , mixing (physics) , aqueous solution , analytical chemistry (journal) , chemistry , metre , volume (thermodynamics) , materials science , thermodynamics , physics , chromatography , quantum mechanics , astronomy

An electronic controller is described which permits the automatic sequential mixing of two solutions. A small aliquot of each of the solutions produced is injected in turn into an electronic density meter displacing the previous solution and a digital recording is made of temperature and density. Results of a partial molal volume study of aqueous NaCl solutions at 25°C are presented (v_° = 16.621 cm 3 mol ‐1 , S* v = 1.848 cm 3 1 1/2 mol 3/2 , and b v = .0.138 cm 3 1 mol 12 ).

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