• Methamphetamine exists as two enantiomers, dextrorotary and levorotary.

    甲基苯丙胺以右旋左旋种对映体形式存在

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  • Dextrorotary ammonium tartrate can be prepared from by product tartar produced in grape wine factory.

    酒石酸和氨水反应并脱色、脱水得最终产品右旋酒石酸铵。

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  • Ammonium bitartrate is filtrated and washed with water to remove Cl -, and then reacted with ammonia to give the final product dextrorotary ammonium tartrate.

    酒石酸氨水反应经脱色、脱水可制得最终产品右旋酒石酸铵。

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  • Ammonium bitartrate is filtrated and washed with water to remove Cl -, and then reacted with ammonia to give the final product dextrorotary ammonium tartrate.

    酒石酸氨水反应经脱色、脱水可制得最终产品右旋酒石酸铵。

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