Regeneration of chromatographic stationary phases
First Claim
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1. A process for regenerating a silica material or a substituted silica material chromatographic stationary phase comprising contacting said silica material or a substituted silica material chromatographic stationary phase at a temperature in the range from about 0°
- C. to about 70°
C. with a regeneration solution comprising at least one organic acid and less than about 75% w/w water, wherein said organic acid is formic acid, wherein the concentration of formic acid is at least 25% w/w, and wherein said chromatographic stationary phase is a Reverse Phase-High Pressure Liquid Chromatography (RP-HPLC) matrix.
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Abstract
Process for regenerating a chromatographic stationary phase.
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18 Claims
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1. A process for regenerating a silica material or a substituted silica material chromatographic stationary phase comprising contacting said silica material or a substituted silica material chromatographic stationary phase at a temperature in the range from about 0°
- C. to about 70°
C. with a regeneration solution comprising at least one organic acid and less than about 75% w/w water, wherein said organic acid is formic acid, wherein the concentration of formic acid is at least 25% w/w, and wherein said chromatographic stationary phase is a Reverse Phase-High Pressure Liquid Chromatography (RP-HPLC) matrix. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- C. to about 70°
Specification