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FT-NIR Spectrometers

FT-NIR Spectrometers

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What is NIR?
Near InfraRed spectroscopy is an analysis method that uses the NIR region of the electromagnetic spectrum (800 - 2,500 nm). It measures the absorption of light from the sample in the NIR region at different wavelengths. The recorded NIR spectrum consists of overtones and combination vibrations of molecules that contain CH, NH or OH groups. This makes NIR spectroscopy the first choice for the analysis of organic materials in the chemical and pharmaceutical industry, as well as in the food, feed and agricultural.

TANGO FT-NIR Spectrometer

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BEAM

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Benefits of FT-NIR

Most spectroscopic techniques are fast and accurate compared to wet chemistry, but FT-NIR spectroscopy has some other advantages which makes is very useful for routine analysis in QC labs and in process control. FT-NIR can help you to streamline the analysis routines in the lab and online. It is often able to analyze many different parameters with just one measurement and without any sample preparation saving labour and money.

No Sample Preparation
For an NIR measurement in the lab, the sample is simply filled into a glass vial or beaker, because glass is transparent in the NIR spectral region. This also allows the use of fiber optic probes in the lab as well as in process environments.
No Waste, No Chemicals
In contrast to time-consuming standard analyses, the NIR method produces no wastes, causes no pollution, and requires no chemical reagents or gases, making it very cost-effective.
Large sample throughput
An FT-NIR analysis is fast (measurement times 10 to 60 seconds) and without sample preparation a substantial amount of time is gained compared to wet chemical analysis. NIR is providing a high sample throughput in a lab and real time analysis in process monitoring.
Ideal for heterogeneous material
The NIR light not only analyzes the surface but penetrates deeper into the material. This makes it ideal for measuring heterogeneous samples. In addition, FT systems (in contrast to dispersive spectrometers) offer the possibility of continuously rotating the sample during the analysis in order to record a larger sample volume compared to a single, static measurement. This makes the result more representative and leads to greater accuracy.

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