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英语翻译An alkalin solution of copper salt was subjected to hot

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英语翻译
An alkalin solution of copper salt was subjected to hot reduction by direct titration of a protein-free solution,in the presence of methylene blue,without inversion.Total sugar was determined after inversion with concentrated hydrochloric acid.
大致含义是:在亚甲基蓝存在并且不发生转换的条件下,铜盐的碱性溶液在无蛋白质溶液的直接滴定作用下很容易被热还原.总糖量在用浓盐酸转换后即可确定.