在国产近红外光谱仪实验样机上用偏最小二乘法定量分析大麦成分

Quantitative Analysis for Barley' S Components by Partial Least-Square With Domestic Near-Infrared Spectroscopy Experimental Instrument

采用偏最小二乘法和国产近红外光谱分析仪实验样机，对大麦中的蛋白质和淀粉含量进行了定量测定．测定结果为：对蛋白质和淀粉预测的相关系数分别为０．９６１、０．９４９，相对标准偏差分别为２．７％、２．９％，相对误差分别小于５．７％、６．８％．

The protein and starch in barley were quantitatively determined by partial leastsquares on domestic Near-Infrared (NIR) spectroscopy experimental instrument. The predicted correlation coefficient and relative standard deviation between NIR predicted values and chemically determined value were 0. 961 and 2. 7%, 0. 949 and 2. 9% for protein and starch and the relative errors for two components are less than 5. 7%, 6. 8%, respectively.