The ratio of the two competitive dissociation rates is related to the enantiomeric composition of the mixture,and thus can be used to determine the optical purity of the chiral compound.

• 与其它常见手性测定方法相比,质谱动力学方法无需湿法化学处理和色谱分离步骤,操作简单、快速、灵敏,因而被广泛应用。