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Table 5 Examination of curvature in the electrochemical and the oxidimetry methods for DO-regulated hydrogen water

From: A convenient method for determining the concentration of hydrogen in water: use of methylene blue with colloidal platinum

Parameter

Regression coefficient

Standard error

t value

p value

Intercept

-0.0243

0.0120

-2.02

0.0647

Electrochemical method: first-order component

1.0508

0.0377

27.84

< 0.0001

Electrochemical method: second-order component

-0.0026

0.0197

-0.13

0.8974