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Abstract ▼ AI-Helper

For measuring calcium content during the manufacturing process of Tofu, conductometric electrodes were made with the copper plate, and the results were compared with chemical analysis methods. Three types of plate material (I, II, III) for electrode were tested to apply for measuring $CaCl_2$

For measuring calcium content during the manufacturing process of Tofu, conductometric electrodes were made with the copper plate, and the results were compared with chemical analysis methods. Three types of plate material (I, II, III) for electrode were tested to apply for measuring $CaCl_2$ content in solution, drained solution from Tofu and in agar-agar gel ana Tofu. Empirical linear correlation equations between conductivity (Y, mho) and calcium content (C, Mole $\bar{C}$, mg% wet basis) were obtained for the quick estimation of calcium content during Tofu processings. Equations with plate II type electrode were Y=0.6364C+0.0775 for drained solution with r=0.99, and $Y=7.1503{\times}10^{-5}\bar{C}-2.9895{\times}10^{-3}$ for Tofu with r=0.91,respectively.