An Approach to Rapid Determination of Tween-80 for the Quality Control of Traditional Chinese Medicine Injection by Partial Least Squares Regression in Near-Infrared Spectral Modeling

Figure 4

Enlarged view of the shifts in the NIR spectrum baseline (a). Correlogram of the NIR spectra and Tween-80 concentration (b). Relational graph of LV numbers and SECV of Tween-80 (c).

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