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Dive into the research topics where D. A. MacInnes is active.

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Featured researches published by D. A. MacInnes.


Review of Scientific Instruments | 1951

A Magnetic Float Method for Determining the Densities of Solutions

D. A. MacInnes; Margaret Oakley Dayhoff; B. Roger Ray

A method for determining the densities of liquids is described in which a float containing a magnet is utilized. The conditions under which the submerged float would remain poised are found by adding weights and by observing the effect of currents through a solenoid. The method may be adapted to the measurement of the densities of solutions at a series of increasing concentrations by forming the solutions directly in the vessel containing the float.


Journal of Chemical Physics | 1952

A Study of Iodide‐Iodine Solutions with the emf Centrifuge

D. A. MacInnes; Margaret Oakley Dayhoff

The potentials, observed with a galvanic cell with two iodide‐iodine electrodes, at two different radii in a centrifugal field, have been studied with solutions of potassium and sodium iodides, to which were added varying concentrations of iodine. Using a short extrapolation the transference numbers of sodium iodide have been obtained. The earlier results using potassium iodide have been confirmed. These results, when interpreted with the aid of conductance measurements, indicated the presence of the ionic complex I3−. A small deviation from the theory has been found with the results for sodium iodide‐iodine solutions. The emf centrifuge used in our earlier work has been simplified, and a galvanic cell has been utilized which avoids the collection of suspended particles on the electrodes.


Journal of Experimental Medicine | 1939

ELECTROPHORETIC PATTERNS OF NORMAL AND PATHOLOGICAL HUMAN BLOOD SERUM AND PLASMA

Lewis G. Longsworth; Theodore Shedlovsky; D. A. MacInnes


Journal of the American Chemical Society | 1952

The Partial Specific Volumes, in Aqueous Solution, of Three Proteins

Margaret O. Dayhoff; Gertrude E. Perlmann; D. A. MacInnes


Journal of the American Chemical Society | 1940

An Electrophoretic Study of the Proteins of Egg White

Lewis G. Longsworth; R. Keith Cannan; D. A. MacInnes


Journal of the American Chemical Society | 1940

The Interpretation of Simple Electrophoretic Patterns

Lewis G. Longsworth; D. A. MacInnes


The Journal of General Physiology | 1942

AN ELECTROPHORETIC STUDY OF MIXTURES OF OVALBUMIN AND YEAST NUCLEIC ACID.

Lewis G. Longsworth; D. A. MacInnes


Journal of the American Chemical Society | 1933

The Thermodynamic Ionization Constants of Carbonic Acid

D. A. MacInnes; Donald Belcher


Journal of the American Chemical Society | 1937

The Determination of Activity Coefficients from the Potentials of Concentration Cells with Transference. III. Potassium Chloride. IV. Calcium Chloride

Theodore Shedlovsky; D. A. MacInnes


Journal of the American Chemical Society | 1935

The Determination of Activity Coefficients from the Potentials of Concentration Cells with Transference. II. Hydrochloric Acid at 25

Theodore Shedlovsky; D. A. MacInnes

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