hand-held raman spectroscopy Articles

  • The use of portable and handheld Raman spectroscopy for forensic investigations

    The Raman technique is gaining widespread acceptance as an investigative tool for forensic applications. This article focuses on the use of portable and handheld Raman spectroscopy in the field of forensic science and illustrates it with real-world examples. The benefits of Raman spectroscopy are well recognized for the molecular identification of unknown molecular compounds and as a result the ...

    By B&W Tek

  • Building analytical competence for geoscience students through use of Raman spectroscopy

    Introduction: Traditionally, a geologist's analytical toolkit consisted of a hand lens, rock hammer, acid bottle, magnet, and perhaps a polarizing light microscope back in the laboratory. In geoscience professions, these tools are increasingly being supplemented by field and laboratory instrumentation that utilizes spectroscopy. The availability of newly-developed, lower-priced ...

    By B&W Tek

  • MSITU Raman spectroscopy of cave minerals: an analytical tool compatible with the conservation of subterranean heritage

    Introduction: Up to 380 different minerals have been described in caves over the past century [1]. The presence of particular mineral phases has been used as indicators of specific paleoenvironmental conditions occurred in caves [2, 3]. On the other hand, processes involved in the genesis of some cave minerals have been proposed as potential analogs of minerogenetic mechanisms occurred during the ...

    By B&W Tek

  • Sampling guidelines for handheld Raman measurements; what you need to know

    In recent years. Raman spectroscopy has seen increased adoption as the technique of choice for the rapid identification of materials; especially for raw material identification in the pharmaceutical industry, identification of controlled substances and explosives for security applications, polymer material identification for packaging and plastics recycling, and mineral and gemstone ...

    By B&W Tek

  • Rapid raw material identification for formulation compounds using handheld Raman technology

    Ever since the European Medicines Agency (EMA) recommended that all pharmaceutical companies test every raw material that passes through their manufacturing facilities, this practice has attracted great interest in the nutraceuticals, food manufacturing, cosmetics, and agricultural industries, pushing them to strive for more rigorous and technology-oriented quality control standards. In recent ...

    By B&W Tek

  • Nanoindentation-induced structural phase transformations in crystalline and amorphous germanium

    During hardness indentation with a diamond indenter, materials are subjected to highly localised pressures. These pressures may cause a complete change of atomic arrangement of the material within the indented zone. This paper reports that when a Berkovich or Vickers nanoindenter is loaded onto a submicrometer thick film of amorphous germanium (a-Ge) and germanium single crystals (Ge-I), they ...

    By Inderscience Publishers

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