Method of ion chromatography wherein a specialized...

Details Method of ion chromatography wherein a specialized... Method of ion chromatography wherein a specialized...

2011-02-22

2011-02-22

Ludlow, Jan M (Department: 1773)

Chemistry: analytical and immunological testing

Including chromatography

C073S061550, C073S061560, C073S061580, C210S198200, C210S656000, C422S070000

Reexamination Certificate

active

07892848

ABSTRACT:
The present invention pertains to a method of ion chromatography wherein a specialized electrodeionization (EDI) apparatus is used for (1) the preparation of a pure acid or pure base for use as an eluent in a chromatographic separation column and/or (2) for ion suppression (or neutralization) of the acid or base after it has been used to elute ions from a chromatographic separation column. Methods for trace ion removal, acid and base neutralization, and ion suppression using a specialized EDI apparatus are also described. The methods described herein allow for the ion suppression of samples containing chloride, nitrate, and other electrochemically active anions, without causing damage to the suppressor.

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European Search Report of corresponding EP Application Serial No. 06740917.7.

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