2500
1.0
0.4 0.3
2366
1790
0.5
1734
1442
0.6
1176
log(1/R)
0.7
2244
0.8
2104
1928
0.9
0.2 0.1 0.0 1100
1300
1500
1700
1900
2100
2300
2500
Wavelength (nm)
NIR Spectrum Of Pectin Powder From Citrus Fruits (Galacturonic Acid 76% And Methoxy Content 8.6% Without Sucrose Or Other Sugars) (Sigma Chemical Co., USA) Measured By Bran Und L端bbe Infralyser 500
2.5
1950
Log 1/R
2
2073
1688
1450
1.5
2100
2255
Sucros
1586
Frutose
1 2103
0.5
1589
1470
0 1100
1300
1500
water
2280
Glucose
1700 1900 Wavelengh (nm)
2100
2300
2500
sucrose glucose fructose water NIR Spectra Of Sucrose, D-Glucose, D-Fructose (Univar, Ajax Finechem, Australia) and Water Measured By Bran Und L端bbe Infralyser 500,
Germany
NIR Spectrum Of Pure histamine (Histamine dihydrochloride 99%) (Acros, Belgium) Measured By FT-NIR spectrometer (MPA, Bruker, Germany)
2476
2218 2278
2032
1884
1715 1780 1390 1420
1202
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500
Absorbance log (1/R)
1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8
Wavelength (nm) NIR Spectrum Of pure Para rubber (cis-1,4-polyisoprene) Measured from Dried Rubber Sheets By FT-NIR spectrometer (NIRFlex Solids, B端chi, Switzerland)
NIR Spectrum Of Acetic Acid (99.8%), Formic Acid (99%) and Propionic Acid (Carlo Erba, Italy) Measured By FT-NIR spectrometer (MPA, Bruker, Germany) .