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Abstract: This article presents an improved method to detect d‐glucosamine hydrochloride in health foods. A simple precolumn derivatization procedure with 7‐flouro‐4‐nitrobenzo‐2‐oxa‐1,3‐diazole (NBD‐F) reagent was employed. The separation of the derivatized d‐glucosamine hydrochloride (NBD‐d‐glucosamine hydrochloride) was performed using a mobile phase consisting of acetonitrile, potassium dihydrogen...
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