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Detection of Homemade Explosives using Handheld Raman

Rigaku Corporation

Detection of Homemade Explosives using Handheld Raman

8 Dec 2015

As commercial explosives become more difficult to obtain, terrorists turn to producing homemade explosives (HMEs). HMEs are typically produced in makeshift labs using materials that can be easily obtained by the public. Because HMEs are synthesized under improvised conditions, the product typically contains impurities, many of which color the sample and produce fluorescence so they cannot be analyzed using previous generation 785nm Raman-based systems. Handheld Raman using 1064nm excitation reduces fluorescence interference and allows for many of these HMEs to be easily identified in the field with little or no sample preparation. In this application note, variety of homemade and commercially available explosives were measured with a handheld Rigaku Progeny™ ResQ™ 1064nm analyzer.

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Progeny™ Handheld Raman Analyzer

Rigaku Corporation

The new generation in handheld Raman analysis that streamlines your material ID workflow. From the evolution of handheld spectroscopy arrives Progeny – the first handheld Raman analyzer designed to be customizable and flexible for seamless integration into any work environment. Now you can perform lab-quality analysis of the widest range of solids, powders, liquids, and other substances to ensure consumer safety around the globe.Progeny provides the power of Raman spectroscopy in a handheld form with no compromises. You are empowered to choose the complexity of the task at hand. Its unique software design provides articulate communication of simple PASS/FAIL decision or more detailed analysis results for a variety of applications in the lab, in the field, or wherever you need data.Progeny™ Handheld Raman Analyzer Features: Accurately analyze your materials through packaging Minimize the learning curve with a smartphone-inspired interface Increase confidence in your material ID with unparalleled sensitivity Measure a wide range of materials with interference-free data Expand your data transfer flexibility (LIMS, wireless, and docking station)

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Fluorescence SpectroscopyFluorometers and spectrofluorometers (also called fluorescence spectrometers) are used to measure the intensity and wavelength of fluorescent light emitted from a sample after excitation by illumination. Spectrofluorometers utilize monochromators to select the desired wavelengths, whereas filter fluorometers employ a set of filters. Spectrofluorometers for measuring steady-state fluorescence and lifetime fluorescence (or time-resolved fluorescence) are available, as well as fluorescence microscopes and microplate readers. Find the best fluorescence spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.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.Particle CharacterizationParticle characterization instruments are used to determine particle size distribution, shape, surface area, zeta potential, density and porosity of particles and materials. Multiple tecchniques are available for determining particle size, shape and count including dynamic light scattering (DLS), laser diffraction, electrozone (Coulter technique), imaging particle analysis and single particle optical sensing. Determine the density of your material with a gas pycnometer or examine its surface area and porosity with gas adsorption analyzers and mercury porosimeters. Find the best particle characterization instruments in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Non-Destructive TechniquesNon-destructive techniques (NDT) describes a variety of analytical techniques used to evaluate the properties of a material. Common methods include ultrasonic, magnetic-particle, liquid penetrant, radiographic, remote visual inspection (RVI), and eddy-current testing. NDT is regularly used in forensic engineering, civil engineering, mechanical engineering, electrical engineering, systems engineering, aeronautical engineering, and medicine.FluorescenceThe emission of fluorescence occurs when a photon of energy is supplied to a fluorescent chemical compound by an external source, causing it to become excited. Fluorescence can be detected and measured for different purposes using microplate readers, fluorescence microscopes, fluorescence scanners, and flow cytometers.Trace Level ImpuritiesTrace level impurities refer to low concentrations of unwanted substances found in chemicals, pharmaceuticals, and other products. Detecting and removing these impurities is crucial for product safety and regulatory compliance. Explore trace impurity analysis tools in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.

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Detection of Homemade Explosives using Handheld Raman