Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1982-03-23
1984-07-10
Douglas, Winston A.
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
204180R, G01N 2728, G01N 2726
Patent
active
044591985
ABSTRACT:
An electrophoretic apparatus which is equipped with means for detecting that a zone of a certain kind of ion component passes through a predetermined position of a migration tube so that the electrophoresis is divided into two stages to effect a pre-separation, i.e., a rough separation of target components and to effect a fine separation for finely separating said target component and so that the switch from the pre-separation to the fine separation in automatically effected in accordance with the output of the aforementioned passage detecting means, which can shorten an analysis time and ensure a precise quantitative or qualitative analysis.
REFERENCES:
patent: 3869365 (1975-03-01), Sunden
patent: 3932264 (1976-01-01), Haruki et al.
patent: 3941678 (1976-03-01), Akiyama et al.
patent: 3998719 (1976-12-01), Deml et al.
Kobayashi Shoichi
Mizuno Toshie
Boggs Jr. B. J.
Douglas Winston A.
Shimadzu Corporation
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