A procedure for recognizing peak purity of Cassiae Semen chromatographic fingerprints by chemometrics method was described. 应用化学计量学方法鉴别色谱指纹图谱的峰纯度。
TCM finger printing is a kind of chromatogram or spectrums that reflect the specialty of TCM, which was obtained by analyzing the TCM with some methods after proper disposition. 中药指纹图谱，是指将某种中药材或中成药适当处理后，采用一定的分析手段得到的能够标示该中药材或中成药特性的色谱图谱或光谱图谱。
