subject: How Does Nir Reflectance Functions? [print this page] Near infrared or NIR reflectance is a device that is commonly used in analyzing contents of foods and other agricultural products. It is the preferred method of analysis for it is non-invasive and non-destructive. The process is easy to do for it need very little to no sample pretreatment at all. You can use this device in the routine screening of food products when you are analyzing for starch, moisture, oil, protein, fiber, lysine, grain texture and sucrose.
The use of NIR reflectance gives the assurance of higher level of quality control for it verifies the ability of NIR spectroscopic methods when it comes to identifying various raw materials. The device is also used when predicting the malting quality of barley, the baking quality of wheat and the starch damage of flour.
It is said that the process of NIR reflectance is fast, cost effective and safe as well. This is because the whole process can be done without even needing harmful chemicals. In fact, it does not need any chemicals at all. Not only that, this process is preferred by many due to the fact that the result is highly accurate unlike other methods that are more prone to errors.
Concentrations of chemical compounds found in organic materials are mostly determined by means of wet chemistry technique. This is not the case today, more and more companies are using NIR reflectance in near infrared spectroscopy. The process is done by using reflectance signals that come from molecular bonds of elements such as oxygen, nitrogen, hydrogen and carbon. The response is in turn analyzed through calibration.
Near infrared reflectance spectroscopy is used even in the field of ecology when it comes to examining compounds and elements. It is very accurate as it can give exact values compared to the approximate results of a normal lab tests that is why it is the procedure most commonly used.
Ecologists find NIR reflectance as very useful in terms of analyzing their findings. It can distinguish the various substance found in multifarious and complex mixtures. The function does not stop there; NIR reflectance spectrometer can also recognize the effects of each distinguished substances also.
by: Alexa Anderson
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