| 摘要 |
Disclosed is an aqueous solution comprising a quaternary ammonium salt which can serve as a guest compound for an inclusion hydrate and has a capability of producing the inclusion hydrate by cooling, wherein a phosphate salt of an alkali metal is added to the aqueous solution. Also disclosed is an inclusion hydrate having, as a guest compound, a quaternary ammonium salt produced by cooling an aqueous solution containing the quaternary ammonium salt and a phosphate salt of an alkali metal. |
