Cuvette rotor assembly

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample

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233 26, 422 64, G01N 2107

Patent

active

042566967

ABSTRACT:
The cuvette rotor assembly is adapted for use in a multistation photometric analyzer of the type wherein several chemical reactions are sequentially monitored over a predetermined time span. Such an assembly includes a ring shaped cuvette rotor having an outer circular periphery, an inner circular periphery, a first side, a second side and cuvette forming slots extending between the sides and into the rotor from the inner periphery toward the outer periphery. A mixture of reagent and sample is urged by centrifugal force into the cuvette forming slots as the rotor is rotated. A fixed beam of light is directed at one side of the rotor as the rotor is rotating and the light that passes through each cuvette as a reaction is taking place therein is sensed and measured. The ring shaped cuvette rotor is made of a forged and age hardened chromium copper material and has a width between the inner and outer peripheries thereof sufficient to permit a hole to be drilled into the outer periphery for receiving a thermistor and sufficient to permit a flat ring of material to be secured to one side of the ring between the outer periphery and the inner ends of the slots.

REFERENCES:
patent: 3555284 (1971-01-01), Anderson
patent: 3744974 (1973-07-01), Maddox et al.
patent: 3890101 (1975-06-01), Tiffany et al.
patent: 3899296 (1975-08-01), Mailen et al.
patent: 3901658 (1975-08-01), Burtis et al.
patent: 4193538 (1980-03-01), Schwarz

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