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  Indian J Med Microbiol
 

Figure 3: Relationship between water type and ORP, and between hardness and post-electrolytic ORP. Note: (A) Even after electrolysis, purified water was indicated to remain as the oxidation state in terms of the ORP values observed. (B) The post-electrolytic ORP was higher, as the hardness of the pre-electrolytic mineral water was higher. ORP: Oxidation-reduction potential.

Figure 3: Relationship between water type and ORP, and between hardness and post-electrolytic ORP.
Note: (A) Even after electrolysis, purified water was indicated to remain as the oxidation state in terms of the ORP values observed. (B) The post-electrolytic ORP was higher, as the hardness of the pre-electrolytic mineral water was higher. ORP: Oxidation-reduction potential.