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中药冰片极易升华,在空气中易氧化变为樟脑。因此,在中成药生产中,应尽量缩短冰片参与制剂的时间,同时避免受热减少挥发损失。片剂的生产,在药粉制粒后,需经干燥、整粒、压片。冰片应在整粒后加入,故不能与其他药粉混合粉碎。我厂经过一年多的生产实践,采用冰片中掺入少量滑石粉进行粉碎的方法,效果较好,即将冰片与滑石粉按1:0.2~0.3的比例混匀,用SF-170型高速粉碎机
Chinese medicine borneol is highly sublimable and easily oxidized into camphor in the air. Therefore, in the production of proprietary Chinese medicines, the time for borneol to participate in the preparation should be shortened as much as possible, and at the same time, heat loss should be avoided. The production of tablets, after the granulation of the powder, must be dried, sized, and compressed. Borneol should be added after the whole grain, so it cannot be mixed and crushed with other powders. After more than one year of production practice, our factory adopts a method of smashing small amounts of talcum powder in ice flakes. The effect is better. The borneol and talc powder will be mixed at the ratio of 1:0.2-0.3, and the SF-170 high-speed comminuted. machine