prov:value
| - In a case of the liquid, the contact material (B) is, in addition to the water, a water soluble liquid including electrolytes, n-butanol and other alcohol, glycerin, ethylene glycol and other multivalent alcohol, a liquid having polarity such as methyl ethyl ketone and other ketones, n-nonan, n-octane and liquids not having polarity such as other chain hydrocarbons, cyclohexane and other circular
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