The sodium is removed with cation exchange resin.

钠用阳离子交换树脂来分离.

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Then - butyl hydroxyethanoate was synthesized by cation exchange resin as catalyst.

以强酸性阳离子交换树脂为催化剂,合成羟基乙酸正丁酯.

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Cation exchange resin ( strong acid type ) is used as esterification catalyst.

用强酸型阳离子交换树脂作催化剂合成乙酸乙酯.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol.

采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应.

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Synthesis of methyl lactate on the cation exchange resin was studied under the different conditions.

以大孔强酸性阳离子交换树脂作催化剂,在不同条件下催化合成乳酸甲酯.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.

催化邻苯二甲酸酐与正丁醇的酯化反应.

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Methods Alcohol and strong acid cation exchange resin were used in the extraction and separation.

方法醇类溶剂提取法、离子交换树脂分离法.

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We used cation exchange resin to separate the freevincristine sulfate from the liposomes.

用阳离子树脂分离脂质体与游离药物,测定包封率.

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Taking succinic acid, alcohol as material, cation exchange resin as catalyst the diethyl succinate is synthesized.

论述了以丁二酸 、 无水乙醇为原料, 离子交换树脂,催化合成丁二酸二乙酯的新工艺.

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Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.

以水杨酸和乙酸酐为原料、强酸阳离子交换树脂为催化剂合成阿司匹林.

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