Method of and apparatus for measuring floating fine particles

Details Method of and apparatus for measuring floating fine particles Method of and apparatus for measuring floating fine particles

G - Physics

01

N

73/58

G01N 21/05 (2006.01) G01N 21/49 (2006.01) G01N 21/53 (2006.01) G01N 15/00 (2006.01)

Patent

CA 1272043

ABSTRACT OF THE DISCLOSURE A method of and apparatus for measuring the density of fine particles floating in a fluid. The method includes the steps of: applying light to a fluid contained ln a tubular member having an innter surface constituted by a mirror surface; condensing and detecting rays traveling toward one axial end of the tubular member among the light reflected by fine particles in the fluid; and subjecting the detected rays or signal to a predetermined processing, thereby measuring the density of the fine particles. The apparatus employed in this method includes: a tubular member; a light source directed in a direction perpendicular to the axial direction of the tubular member; a condenser lens disposed at one axial end of the tubular member; a detector opposing the condenser lens; and a processor which processes a signal applied thereto from the detector in a predetermined manner to obtain the density of fine particles.

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