| 摘要 |
1282931 Treatment of the salts of organic bases IMPERIAL CHEMICAL INDUSTRIES Ltd 2 July 1970 [24 July 1969] 37279/69 Heading C2C A sparingly soluble salt of a water-insoluble amine and hydrogen halide may be split into hydrogen halide and the amine by treating the salt with a second acid to form a second salt of the amine with the second acid which is more readily decomposed to amine than the original salt. The examples describe the treatment of the alkylamine hydrochlorides with phosphoric acid. |
