According to the characteristic that noscapine ethanol solution ( 95 % ) has a maximum absorption peak in the wavelength of ( 310 ± 1 ) nm , the author measured the content uniformity and made some studies by using the second measuring method of the content uniformity , revised and enlarged in the supplement to China pharmacopoeia , Section ⅱ, Appendix , Edition 1995.The method operated simply and attained the reliable results .

利用那可丁的乙醇（95%）溶液在（310±1）nm的波长处有最大吸收峰这一特征，采用中国药典1995年版二部附录含量均匀度检查法中增订的第二法，对那可丁片的含量均匀度进行研究测定。该方法操作简便，结果可靠。