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No such result is obtained as in the preceding experiment, because the rennet ferment is destroyed by heat. Experiment 72. Half fill three test tubes, A, B, C, with one-per-cent solution of sodium carbonate, and add 5 drops of liquor pancreaticus, or a few grains of Fairchild's extract of pancreas, in each. Boil B, and make C acid with dilute hydrochloric acid.
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