新药转正标准收载的格列齐特有关物质检查采用薄层层析法［１］，在实际工作中发现显色剂灵敏度低，致使杂质漏检。笔者采用碘蒸气薰，灵敏度大大提高，而且简单易行，实用性强，克服了茚三酮－氯化亚锡灵敏度低，操作繁琐的缺点。１仪器与试药格列齐特：天津新新药业公司... New standards for drugs into the Gliclazide contained substances related to the use of thin-layer chromatography [1], in practice found that the sensitivity of the developer is low, resulting in missing samples. I use iodine vapor Kaoru, greatly increased the sensitivity, and simple, practical, to overcome the ninhydrin - low sensitivity of stannous chloride, the cumbersome operation of the shortcomings. 1 instruments and reagents Gliclazide: Tianjin new new pharmaceutical companies ...