对国产天然冰片质量标准进行了较为系统的研究:用薄层色谱法鉴别右旋龙脑,用气相色谱法检查异龙脑,用气相色谱内标法测定右旋龙脑的含量。 A systematic study on the quality standards of domestic natural borneol was carried out: T-brain was identified by thin-layer chromatography, isoborneol was detected by gas chromatography, and the content of d-brainolone was determined by gas chromatography internal standard method.