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Studies on Estimation of Catalase Activity by the Use of Titanium Sulfate

( The First Surgical Department, School of Medicine, Chiba University, Chiba, Japan)

An improved method for the determination of catalase activity is described; it is a modification of the method of Patti and Bonet-Maury (21). The new method depends on the colorimetric determination of the yellow complex formed by titanium sulfate and H₂O₂, and eliminates some of the complications of the titration methods previously used.

Received 9/16/64. Revised 12/23/64.