Research Article

Short-Wave Near-Infrared Spectrometer for Alcohol Determination and Temperature Correction

Figure 4

(a) Spectra of four alcohol contents at 25°C; the arrows indicate the increase of concentration. (b) the smoothed spectra of (a). (c) Spectra of 25% (v/v) alcohol at four temperatures; the arrows indicate the increase of temperature. (d) Spectra of 75% (v/v) alcohol at four temperatures; the arrow indicates the increase of temperature.
728128.fig.004a
(a)
728128.fig.004b
(b)
728128.fig.004c
(c)
728128.fig.004d
(d)