วันเสาร์ที่ 16 พฤศจิกายน พ.ศ. 2556

In transmission spectra of milk, low scattering gave rise to low absorbance.




"The original NIR spectra of the milk samples having high, medium and low fat contents are shown in Figure 3. The spectrum of milk shifted upward with an increase of fat content. In raw milk, the fat exists in the form of globules from 1 mm to 12 mm in diameter, which act as a scattering material. As fat content increases, the number of fat globules increases, and the scattering effect becomes more severe.”

(Chen, J.Y., Iyo, C., Terada, F. and Kawano, S. 2002. Effect of multiplicative scatter correction on wavelength selection for near infrared calibration to determine fat content in raw milk, Journal of Near Infrared Spectroscopy. 10, 301-307.)

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