Cuvette with tub-shaped bottom for the optical examination...

Details Cuvette with tub-shaped bottom for the optical examination... Cuvette with tub-shaped bottom for the optical examination...

G - Physics

01

N

73/114

G01N 21/03 (2006.01)

Patent

CA 1141198

ABSTRACT OF THE DISCLOSURE A cuvette for holding a liquid to be examined optically has front, back, and side walls defining a rectangular cross section and a Y-shaped structure at the bottom thereof for holding the liquid The Y-shaped structure extends between transparent front and back walls with an upper funnel mouth extending to the side walls, and a liquid holding portion formed of inner walls spaced between the side walls, and extending down to a rounded, tub-shaped bottom. The front walls are transparent and serve also to form the front and back of the liquid holding portion. The bottom preferably has a frustroconic surface to minimize the amount of liquid re- quired for examination and to facilitate mixing of liquids added to the cuvette. The side walls extend below the tub-shaped bottom, and are joined to the front and back wall midway up the liquid holding portion by means of a rib, so that light is not scattered by the side walls and optical inhomogen- eities are prevented.

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