The average recoveries and RSD were 99 8%,0 % for diclofenac sodium and 99 80% ,0 0% codeine phosphate,respectively.
The average recoveries and RSD were 99 8%,0 % for diclofenac sodium and 99 80% ,0 0% codeine phosphate,respectively.
双氯芬酸钠和磷酸可待因的平均回收率及RSD分别为99．8％，0．％和99．80％，0．0％。