analytical spectroscopy Articles

  • 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

  • Analyzing gemstones using infrared spectroscopy | Spectroscopy Solutions

    The demand for gemstones is increasing, and fraudulent gemstones are becoming a prominent and difficult-to-tackle problem in the gemstone and jewelry industries. Fake, synthetic, and enhanced gemstones can be identified quickly and with confidence using diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). ...


    By Specac Limited

  • Beginners Guide to Spectroscopy - Transmission

    This is the first part of our introduction to Spectroscopy, more can be found on our blog (http://specac.blogspot.co.uk). Introduction Transmission spectroscopy is the oldest and simplest technique for analysing samples in infrared. This ...


    By Specac Limited

  • Analyze wine using ATR-FTIR spectroscopy | Spectroscopy Solutions

    Wine analysis using spectroscopy Within quality assurance and process monitoring practices, spectroscopy has been widely used for many years1. Increasingly spectroscopic techniques and advanced data processing are being adopted for authenticity testing.2 Such verification is particularly important in the wine industry, which provides a premium-priced ...


    By Specac Limited

  • The basics of polarization (animated) | Spectroscopy Guides

    In many spectroscopic and photonics applications, it is desirable to work with light that has been polarized in a particular direction. In this article we explore what polarization is, and how it may be obtained from an unpolarized light source. Electro-magnetic radiation (light) What we generally refer to as “light” is more correctly known as 'electromagnetic ...


    By Specac Limited

  • Environmental testing with XRF | Spectroscopy Solutions

    Monitoring of inorganic environmental pollutants is an ongoing challenge for analytical chemists. To establish the quality of different compartments of our environment (atmosphere, indoor air, water basins, soil, biota) in general a relatively large number of samples must be taken from a given location over the entire duration of sampling.29,30,31 ...


    By Specac Limited

  • What is Laser Induced Breakdown Spectroscopy (LIBS)?

    Laser Induced Breakdown Spectroscopy or LIBS is an analytical technique that's been used in laboratories for many years.  Most handheld LIBS analysers are used for fast sorting of alloys in scrap yards, and alloy identification and analysis in various applications within the metals industry. ...

  • XRF food + beverage analysis | Spectroscopy Solutions

    The globalization of food markets and the relative ease with which food commodities are transported between countries, means that consumers are increasingly concerned about the origin of the foods they eat. The food and drink industry is constantly striving to attain improved quality and security for its products. The demands of nutritional value for the consumer and the protection of food brands ...


    By Specac Limited

  • What is X-ray powder? | Spectroscopy Guides

    What is XRF powder? Spectroscopy is an analytical technique used in diverse industries for sample characterisation, quality control, and contaminant detection. X-ray fluorescence spectroscopy (XRF) involves shining bright X-rays at a sample and measuring ...


    By Specac Limited

  • Benefits of the Nieka Fusion Fluxer | Spectroscopy Guides

    Specac have long been involved with presses and dies that we have supplied into the XRF analysis market for pressed pellet sample preparation; joining up with Nieka who are based in Canada is a natural extension and one we are proud to achieve. Nieka produce the Fusion Fluxer, a leading tool for preparing sample fusion beads ...


    By Specac Limited

  • 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

  • Legal high detection and the Quest ATR | Spectroscopy Solutions

    Narcotic and legal high detection using FTIR spectroscopy is an established technique. We have an application note on the analysis of cocaine and cannabis using the Quest ATR spectrometer accessory and even an older application note on  ...


    By Specac Limited

  • Analyze FAME in Diesel using FTIR | Spectroscopy Solutions

    Biodiesel is a promising alternative to diesel produced from fossil fuels, however barriers still exist towards the creation of high efficiency biodiesel. The fatty acid methyl ester (FAME) content of biodiesels significantly affects their quality and performance. Fourier transform infrared (FTIR) spectroscopy using the Pearl™ liquid transmission unit from Specac ...


    By Specac Limited

  • Oil in Water and FAME ASTM Standards | Spectroscopy Guides

    In this article we will briefly look into various analysis standards, namely those of the American Society for Testing and Materials (ASTM) but also some others such as IP and EPA. Throughout, we'll be mentioning the place our FTIR analytical equipment has in certain application areas.  Standards for Oil in Water Detection ...


    By Specac Limited

  • Polymer measurement using FTIR Polarizers | Spectroscopy Solutions

    Polymers have become ubiquitous with the modern age to such a point that almost any multi-component product will have some polymer content. From cars to kitchen appliances and windows to airplanes, each one will contain multiple polymers each with its own specific properties and functions. This makes their analysis an important for quality control processes, and IR polarisers are an essential ...


    By Specac Limited

  • Webinar: Sample Preparation for XRF, FTIR & more | Spectroscopy Guides

    Watch our webinar on sample preparation in the fields of FTIR, XRF and more. Will Campbell explores various techniques in this webinar, originally hosted live by Select Science. XRF spectroscopy and FTIR spectroscopy is covered, along with other uses for sample preparation equipment. Tips on sample preparation and then a Q/A session also features.  Equipment/supplies mentioned includes: ...


    By Specac Limited

  • Rapid Portable Cross-Connection Detection by Sensitive Fluorescence Spectroscopy

    Abstract The implementation of dual reticulation systems for returning recycled water to the home for nonpotable use is now common in new Australian housing developments. Managing the associated public health risk requires consideration of the potential for crossconnections between recycled and potable water pipes. While current protocols for detection exist, they are time consuming and ...

  • Rapid portable cross-connection detection by sensitive fluorescence spectroscopy

    Abstract The implementation of dual reticulation systems for returning recycled water to the home for nonpotable use is now common in new Australian housing developments. Managing the associated public health risk requires consideration of the potential for crossconnections between recycled and potable water pipes. While current protocols for detection exist, they are time consuming and ...

  • Optimising next-generation lithium ion batteries with infrared spectroscopy

    Lithium batteries have become the mainstay of modern portable electronics, providing a reliable power source to run mobile phones, laptop computers and electric vehicles. Lithium technology is now even being developed on a large scale to provide electricity storage to supplement the National Grid during peak demand [1]. The issue with lithium batteries remains the same – energy density ...


    By Specac Limited

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