spectroscopy Articles

  • 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. ...

  • 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 ...

  • Heterogeneous catalytic ozonation of hydroquinone using sewage sludge-derived carbonaceous catalysts

    This study converted sewage sludge into a carbonaceous catalyst via pyrolysis and employed it in the ozonation of hydroquinone. The catalyst was characterized by Mössbauer spectroscopy, X-ray photoelectron spectroscopy, temperature programmed desorption, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and X-ray diffraction. Intermediate ...


    By IWA Publishing

  • Measurement of trace metals in ambient air: Validation of a rapid technique with gold standard ICP-AES

    Trace metals are found at low concentration in the ambient environment and are associated with adverse health effects. The gold standard metal measurement is Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES); however, sample preparation is laborious and expensive. The Xact 625 metals monitor uses non-destructive X-ray fluorescence technology. A built-in sample collection ...

  • Preparation of chitosan/amine modified diatomite composites and adsorption properties of Hg(II) ions

    A green functional adsorbent (CAD) was prepared by Schiff base reaction of chitosan and amino-modified diatomite. The morphology, structure and adsorption properties of the CAD were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy and Brunauer Emmett Teller measurements. The effect of pH value, contact time and temperature on ...


    By IWA Publishing

  • Adsorption of tetracycline from water using glutaraldehyde-crosslinked electrospun nanofibers of chitosan/poly(vinyl alcohol)

    In this work, the preparation and characterization of glutaraldehyde-crosslinked electrospun nanofibers of chitosan/poly(vinyl alcohol) (GCCPN) as a new adsorbent for tetracycline (TC) is reported. Electrospun nanofibers of chitosan/poly(vinyl alcohol) (PVA) were prepared by employing a 75:25 volumetric ratio of chitosan:PVA, voltage of 30 kV, collection distance of 10 cm, and injection flow ...


    By IWA Publishing

  • How to Monitor Mercury Emissions

    In recent years, mercury levels in the environment and in the food chain have risen substantially mainly due to human activities. As a long-range pollutant it can affect areas located thousands of kilometers away from its original source of emission. It’s no wonder then that the regulatory pressure to monitor mercury emissions grows stronger.  Before diving ...


    By Gasmet Technologies Oy

  • Techcomp Invests in Livingston, Scotland

    Techcomp Europe Ltd continues to expand their operations in Scotland with their European HQ, Manufacturing base and R&D centre. The Group has purchased three adjacent buildings providing 30,000 square feet of assembly production, laboratory, R&D and office accommodation.  Another 10,000 square feet has been leased nearby to house ...


    By Edinburgh Sensors Ltd

  • Operating Principle of an Oxygen Monitor

    The oxygen concentration in the flue gas of a combustion process such as that of a power plant or a waste incinerator gives a good indication of the efficiency of the combustion process. The parameter is therefore of great interest to optimize fuel economy, but also to control and reduce emissions of air pollutants. An ideal combustion process only results in CO2 and water, but ...


    By Opsis AB

  • Oil Analysis for Hydraulic Systems

    Hydraulic systems are used in industrial, mobile and aviation applications to transmit power to operate equipment. They are incredibly efficient, compact, and lightweight relative to a mechanical equivalent. Hydraulic fluids transmit force in the system, and as such are carefully chosen by the system maker. Chemical stability, high flash and fire points, viscosity, and oxidation resistance are ...


    By Spectro Scientific

  • Why Container Measurements Are Essential

    Transport container traffic carries millions of containers around the globe annually. Cargo containers are fumigated to inhibit the spread of foreign species, pests and micro-organisms. Transported products may also release volatile organic compounds (VOC) from the solvents, coatings and glues used in manufacturing processes.  Work safety regulation requires the ...


    By Gasmet Technologies Oy

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