根据盐酸大观霉素的溶解度特性，采用自然冷却法培养出单晶。
Single crystal of spectinomycin dihydrochloride was cultivated by natural cooling method according to its characteristic of solubility.
测定了无机盐存在下盐酸大观霉素的溶解度以及它在纯水中的溶解热。
The solubility data of SDP in the multi-solvent at the present of inorganic salt and the dissolution heat of SDP in pure water were measured.
溶解度不易溶于水或乙醇，易溶于稀盐酸。
Not dissolve in the water and alcohol, but easily dissolved in rare hydrochloric acid.
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