Vallesquino-Laguna, P and Fearn, T and Garrido-Varo, A and Fernandez-Ahumada, E and Perez-Marin, D and Guerrero-Ginet, JE and Gomez-Cabrera, A (2010) How often do references need to be measured when using a near infrared diode array spectrometer. J NEAR INFRARED SPEC , 18 (1) 79 - 85. 10.1255/jnirs.863.
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The stability of a diode array spectrometer in the near infrared region has been investigated in two experiments where the frequency of passing of dark and white references, which need manual intervention, was varied. In the first experiment, an initial pair of references was used to standardise spectra taken over the next four days. In the second, references were taken at hourly intervals over a period of ten hours. The conclusion is that, in a reasonably well-controlled environment, the spectrometer is stable over long periods and the passing of hourly references conveys no advantage. An important implication is that this spectrometer may be used in on-line applications without the need to construct an automatic mechanism to measure references.
|Title:||How often do references need to be measured when using a near infrared diode array spectrometer|
|Keywords:||NIR technology, diode array spectrometer, near infrared spectra, instrument references, instrument calibration, CALIBRATION TRANSFER, APPLE|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Statistical Science|
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