Method and apparatus for chromatographic quantitative analysis

Details Method and apparatus for chromatographic quantitative analysis Method and apparatus for chromatographic quantitative analysis

1979-08-20

1981-06-09

Marcus, Michael S.

Chemistry: physical processes

Physical processes

Crystallization

23230M, 2101982, 210656, 422 70, G01N 3104, G01N 2708

Patent

active

042722462

ABSTRACT:
An improved apparatus and method for the quantitative analysis of a solution containing a plurality of anion species by ion exchange chromatography which utilizes a single eluent and a single ion exchange bed which does not require periodic regeneration. The solution containing the anions is added to an anion exchange resin bed which is a low capacity macroreticular polystyrene-divinylbenzene resin containing quarternary ammonium functional groups, and is eluted therefrom with a dilute solution of a low electrical conductance organic acid salt. As each anion species is eluted from the bed, it is quantitatively sensed by conventional detection means such as a conductivity cell.

REFERENCES:
patent: 3847550 (1974-11-01), Scott et al.
patent: 3920397 (1975-11-01), Small et al.
patent: 4070284 (1978-01-01), Fujita et al.
Rohm & Haas Co.; Amber-hi-lites, No. 159 8(1978).

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