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护肤粉刺霜是我科研制的用于治疗粉刺的新制剂。其有效成分主要为甲硝唑和氯霉素等,由于成分复杂,故采用薄层扫描法测定其含量。 1 材料 1.1 仪器与药品 岛津CS-9000型双波长飞点薄层扫描仪,254nm紫外分析仪(上海科仪光学仪器厂),5μl微量进样器(上海医用激光仪器厂),薄层涂铺器(本校药学院)。硅胶GF_(254)-CMC_(Na)薄层板:
Skin care acne cream is our research for the preparation of new acne preparations. The main active ingredient is metronidazole and chloramphenicol, etc., due to the complex composition, it is determined by TLC scanning its content. 1 Materials 1.1 Instruments and Drugs Shimadzu CS-9000 dual-wavelength flying point thin layer scanner, 254nm UV analyzer (Shanghai Branch instrument instrument), 5μl micro-injector (Shanghai Medical Laser Instrument Factory), thin-layer coating Shop (school pharmacy). Silica gel GF_ (254) -CMC_ (Na) Laminates: