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盐酸四环素为常用广谱抗生素．多年来以糖衣片广泛用于临床．为了探讨盐酸四环素的崩解度和溶出度，笔者对四厂生产的四环素糖衣片做了质量考察，为今后合理组方，革新工艺，确保质量提供参考。实验仪器：78X－2型片剂四用测定仪（上海黄河制药厂）；751G型紫外分光光度计（上
Tetracycline hydrochloride is commonly used broad-spectrum antibiotics. Over the years to sugar-coated tablets widely used in clinical. In order to investigate the disintegration degree and dissolution rate of tetracycline hydrochloride, the author investigated the quality of tetracycline sugar-coated tablets produced by No.4 factory and provided reference for reasonable grouping, innovation process and quality assurance in the future. Experimental equipment: 78X-2 tablet with four detector (Shanghai Huanghe Pharmaceutical Factory); 751G UV spectrophotometer (on