The method-can be applied to simultaneous determination or multicomponent system with interference of excipients or other absorptions belonging to primary or quadratic curve absorptions.

• 以同时测定止喘咳糖浆中盐酸苯海拉明,盐酸麻黄碱,咳必清为例,研究了方法的可靠性和测量的适宜条件。