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  Indian J Med Microbiol
 

Figure 5: The time course of the water characteristic parameters in hydrogen-rich water boiled or left without temperature intervention. Note: Six liters of tap water was supplied in the facial washbowl for the high concentration hydrogen-rich water bath and electrolyzed for 30 minutes, and four kinds of water characteristic parameters were measured over time. (A–D) Dissolved hydrogen (DH), oxidation-reduction potential (ORP), dissolved oxygen (DO) concentration, pH in hydrogen-rich water, respectively.

Figure 5: The time course of the water characteristic parameters in hydrogen-rich water boiled or left without temperature intervention.
Note: Six liters of tap water was supplied in the facial washbowl for the high concentration hydrogen-rich water bath and electrolyzed for 30 minutes, and four kinds of water characteristic parameters were measured over time. (A–D) Dissolved hydrogen (DH), oxidation-reduction potential (ORP), dissolved oxygen (DO) concentration, pH in hydrogen-rich water, respectively.