METHOD FOR SEPARATING AMMONIUM SULFATE FROM AN AQUEOUS SOLUTION OF AMMONIUM BISULFATE AND AMMONIUM SULFATE

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• 2. 分离硫酸铵和硫酸氢铵的方法以及利用该方法生产2－羟基－4－甲基硫代丁酸的方法 [P] . 中国专利： CN1201031A . 1998-12-09
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  机译： 从硫酸氢铵和硫酸铵水溶液中分离硫酸铵的方法

• 4. Method for separating ammonium sulfate and ammonium bisulfate from each other and process for producing 2-hydroxy-4-methylthiobutanoic acid utilizing the method [P] . 欧洲知识产权局专利： EP0863135B1 . 2002-02-06

  机译： 分离硫酸铵和硫酸氢铵的方法以及使用该方法生产2-羟基-4-甲基硫代丁酸的方法

• 5. Method for separating ammonium sulfate and ammonium bisulfate process for producing 2-hydroxy-4-methylthiobutanoic using the method. [P] . ES2167818T3 . 2002-05-16

  机译： 分离硫酸铵的方法和使用硫酸氢铵的方法生产2-羟基-4-甲基硫代丁酸的方法。

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