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双氯灭酸钠是一种非甾体抗炎药,用于风湿性关节炎等的治疗。本文报道用比色法测定双氯灭酸钠及其片剂。标准液取双氯灭酸钠对照品,用水新鲜配制成7.5mg/ml贮备液,精密量取适量配制1.25～10mg/ml浓度范围内的八个系列标准液。
Sodium diclofenac is a non-steroidal anti-inflammatory drug for the treatment of rheumatoid arthritis. This paper reports the determination of diclofenac sodium and its tablets by colorimetry. Standard solution of diclofenac reference substance, freshly prepared with water 7.5mg / ml stock solution, the precise amount of appropriate preparation of 1.25 ~ 10mg / ml concentration range of eight series of standard solution.