Means and method for controlling eluent gradient in liquid chrom

Details Means and method for controlling eluent gradient in liquid chrom Means and method for controlling eluent gradient in liquid chrom

1976-06-21

1978-01-03

Ruggiero, Joseph F.

Boots, shoes, and leggings

73698, 73 611C, 23230A, 23253A, 23498, 210198C, 364579, B01D 1508, G01N 3108, G06G 758

Patent

active

040668797

ABSTRACT:
An apparatus and method for producing a gradient between two eluents. The form or slope characteristics of the gradient may be varied to suit a given application. Apparatus are provided for expanding or compressing the range of the gradient while maintaining its form over a wide range of values. In a preferred embodiment the apparatus include means for controlling the form of the reset gradient in order to avoid detrimental shock to the chromatographic column.

REFERENCES:
patent: 3446057 (1969-05-01), Bakalyar et al.
patent: 3649203 (1972-03-01), Schneider
patent: 3701609 (1972-10-01), Bailey
patent: 3917531 (1975-11-01), Magnussen
patent: 3985019 (1976-10-01), Boehme et al.

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