Based on the optical activity of the complex formed by mannitol and ammonium molybdate,the mannitolum level in the gastrointestinal dialysis salt was determined with polarimetry.

• 本文根据甘露醇与钼酸铵的络合物具有旋光性这一特点,用旋光法测定胃肠透析盐中甘露醇的含量。