METHOD OF PRODUCING REDUCED WATER USING EXTRACT OF JAPANESE RADISH AND REDUCING FRESH WATER BY TITRA

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PROBLEM TO BE SOLVED : To enable low cost, easy and safe production of reduced water in place of an electrolysis method and a contact method of rare ore, such as germanium, by using a raw Japanese radish and a dried Japanese radish as a reducing agent. SOLUTION : It is checked by a reduction potential measuring device that a reduction potential of a raw liquid obtained by grating the raw Japanese radish and filtering and extracting it is -70±10 mV. Water to be reduced is diluted to from 2, 000 to 4, 000 times by titration to reduce its oxidation reduction potential to 50±10%. COPYRIGHT : (C)2011, JPO&INPIT