Apparatus and method for sedimentation field flow fractionation

Details Apparatus and method for sedimentation field flow fractionation Apparatus and method for sedimentation field flow fractionation

1981-11-30

1984-05-15

Hill, Ralph J.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

494 27, 494 37, 494 38, 494 43, B03B 562

Patent

active

044486790

ABSTRACT:
A plastic ring has a circumferential groove formed in its outer peripheral surface. The ring is fitted in a bowl-type centrifuge rotor such that the ring's outer surface contacts the inner wall of the rotor. The channel is defined by the groove and rotor wall. The rotor is filled with a compensating liquid to reduce centrifugal stress on the plastic and to reduce leakage from the channel.

REFERENCES:
patent: 3465956 (1969-09-01), Beard
patent: 3519201 (1970-07-01), Eisel et al.
patent: 4094461 (1978-06-01), Kellogg et al.
patent: 4283276 (1981-08-01), Grant
patent: 4353795 (1982-10-01), Romanauskas
patent: 4357235 (1982-11-01), Dilks

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