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A 0.7121 g sample of a wheat flour was analyzed by the Kjeldahl method. The ammonia formed was distilled into 25.0 mL of 0.04977
A 0.7121 g sample of a wheat flour was analyzed by the Kjeldahl method. The ammonia formed was distilled into 25.0 mL of 0.04977 M HCI. The excess HCI was then back-titrated with 3.97 mL of 0.04012 M NAOH. Calculate the %protein in the flour.
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Fundamentals of Analytical Chemistry
Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch
9th edition
495558281, 978-0495558286
