A portable micro-apparatus applicable to an extended range of reactions | Zendy

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A portable micro-apparatus applicable to an extended range of reactions

Publication year - 1936

Publication title -

proceedings of the royal society of london. series b, biological sciences

Language(s) - English

Resource type - Journals

eISSN - 2053-9193

pISSN - 0080-4649

DOI - 10.1098/rspb.1936.0080

Subject(s) - colorimeter , mixing (physics) , photoelectric effect , tube (container) , materials science , range (aeronautics) , mechanics , chemistry , analytical chemistry (journal) , thermodynamics , optics , chromatography , composite material , optoelectronics , physics , quantum mechanics

The Hartridge-Roughton continuous flow apparatus for measuring rapid reactions has been modified so as to fit it for— (a ) reactions involving any kind of colour change (pigment reactions, and those involving indicators); (b ) small quantities of material; (c ) easy transport. It has been used in the present form for several years in the study of small quantities of biological substances. The reacting fluids are forced by motor-driven syringes through two converging tubes to a mixing chamber, whence they pass down the microobservation tube, of approximately 1 mm internal diameter. The extent of the reaction is measured by means of a simple photoelectric cell colorimeter.

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