Isolation of catecholamines in biological fluids by boric acid gel

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Abstract

A new method is presented for the isolation of catecholamines in biological fluids using boric acid gel. The procedure involves adsorption of catecholamines on boric acid gel at neutral pH and elution with 0.025 n HCl. It offers some advantages over the previous aluminum oxide method with respect to simplicity, reproducibility, and recovery.

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