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Identification and Quantification of Methanol in Contaminated Spirits

B&W Tek, Inc.
16 Sept 2014

This application note discusses the reasons why portable Raman spectroscopy is the ideal choice for a screening tool for the identification and quantification of methanol in contaminated spirits, and describes a real world example of methanol-laced rum.

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i-Raman Plus ‒ Highly Sensitive, High Resolution Fiber Optic Raman System

Metrohm AG

The i-Raman® Plus is an enhanced version of our award winning i-Raman portable Raman spectrometer, now powered by our innovative smart spectrometer technologyUsing a high efficiency back-thinned CCD detector with deeper cooling and high dynamic range, this portable Raman spectrometer delivers an improved signal to noise ratio for up to 30 minutes of integration time, making it possible to measure weak Raman signals.The i-Raman Plus features the unique combination of wide spectral coverage and high resolution with configurations measuring out to 4000cm-1, enabling you to measure stretching bands around 3100cm-1. The system’s small footprint, lightweight design, and low power consumption provide research grade Raman capabilities anywhere. The i-Raman Plus comes standard with a fiber optic probe, probe holder with XYZ positioning stage, cuvette adaptor for measuring liquid samples, and our proprietary BWIQ multi-variant analysis software.With the i-Raman Plus, a high precision qualitative and quantitative Raman solution is at your fingertips.i-Raman Plus ‒ Highly Sensitive, High Resolution Fiber Optic Raman System Features: Smart on-board processing including averaging, smoothing, and dark compensation Our comprehensive package of sampling accessories for measuring solid and liquid samples provide you the utmost utility right out of the box Our state of the art BWIQ quantitative Raman analysis software package provides an intuitive user interface, intelligent algorithms, and efficient matrix calculation power, making it easy to use by both expert and novice users Patented CleanLaze® Technology for Laser Stabilization 175cm-1 of the Rayleigh Line (65cm-1 Option Available) Fiber Optic Coupling for Convenient Sampling Up to 4000cm-1 Raman Shift Coverage Spectral Resolution as fine as 3cm-1

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Raman SpectroscopyRaman spectroscopy is used to discern the vibrational and rotational states of molecules and hence the chemical composition of a sample by measuring the inelastic scattering of monochromatic light. Explore a range of Raman spectrometers, including handheld/portable Raman spectrometers for QC/QA labs and in situ spectrometers for processes. Conduct Raman imaging for microanalysis of mixed samples using a Raman microscope. Raman spectrographs are also available. Find the best Raman spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Food and Beverage AnalyzersFood and Beverage Analyzers are commonly used to provide information about the chemical composition, structure and physical properties of food materials.Food and Beverage ProcessingFood and Beverage Processing involves the preparation of food products for further analysis. Typical instrumentation includes blanchers, color sorters, cookers, grinders, and refrigeration. These are used to replicate the processes commonly used in the commercial preparation of food and beverages.Alcoholic BeveragesThe analysis of alcoholic beverages involves testing their composition, quality, and safety, including alcohol content, flavor compounds, and impurities. This is essential for quality control and regulatory compliance. Explore tools for alcoholic beverage testing in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.Contamination PreventionContamination prevention aims to control and minimize the risk of contamination during experiments. Biological safety cabinets and sterilization equipment are examples of technologies used to prevent contamination.Quantitative AnalysesQuantitative analyses involve measuring the amount or concentration of a substance in a sample using analytical techniques. These analyses are essential in fields like chemistry, biology, and environmental science. Explore quantitative analysis tools in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.

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