Separation type: Liquid Chromatography Mixed-mode | ||||||||||||||
High Performance Liquid Chromatography (HPLC) Method for Analysis of Citric Acid and Potassium Bromide
Citric Acid is a naturally ocurring organic acid found in citrus fruits; it is also an intermediate in the citric acid cycle of aerobic organisms. It is used industrially as an acidity regulator, flavoring, detergent, and more than 2 million tons are produced annually. Potassium Bromide used to be a popular anticonvulsant and sedative, and is now mainly used as an antiepileptic medication for dogs. Citric acid and Potassium Bromide can be retained, separated, and analyzed on a mixed-mode Newcrom BH column with a mobile phase consisting of water, Acetonitrile (MeCN), and Trifluoroacetic acid (TFA). This analytical method can be UV detected at 210 nm with high resolution and peak symmetry. This method is also compatible with Mass Spectrometry (MS), ELSD, and CAD. The Citric acid was detected via negative Electrospray Ionization (ESI-) at an m/z of 191. |
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Application Column
Newcrom BH
The Newcrom columns are a family of reverse-phase-based columns. Newcrom A, AH, B, and BH are all mixed-mode columns with either positive or negative ion-pairing groups attached to either short (25 Å) or long (100 Å) ligand chains. Newcrom R1 is a special reverse-phase column with low silanol activity.
Select optionsCitric Acid