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Mercury Removal Applications

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    Determination of mercury in soil, bottom sediments, and geological materials

    INTRODUCTION

    Analysis of soils and bottom sediments for mercury content is one of the most common analyses in the monitoring of environmental pollution. Background mercury concentrations in these objects are 10–100 μg/kg and in the polluted areas they exceed 10,000 μg/kg.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Direct atomic absorption mercury determination in tissues and biological samples

    INTRODUCTION

    Mercury and its compounds are highly toxic substances fo r humans. It occurs naturally and exists in various forms: elemental (or metallic); inorganic (e.g. mercuric chloride); and organic (e.g., methyl- and ethylmercury). These forms all have different toxicities and implications for health. Among naturally occurring mercury compounds, methylme rcury exerts a significant influence (neurotoxic action) on human health.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Direct atomic absorption mercury determination in foodstuff and mixed feed

    Direct atomic absorption mercury determination (without any pre-treatment procedures) in food is complicated by its organics matrix. That is the reason why almost all AAS methods of mercury determination in foodstuff include sample digestion by acids.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Mercury monitoring for mercury flux measurement

    The Tekran 2537 has been used in numerous published studies to measure the deposition or evasion of mercury from natural or contaminated surfaces (i.e. flux measurements). It is anticipated that many mercury flux measurements will be needed in the future to assess the impact of climate change on mercury cycling in the environment. There are two basic ways to do mercury flux measurements. First, the dynamic flux chamber method utilizes a custom enclosure, with controlled air flow, to measure the inlet and outlet concentration over a selected surface to determine the flux over time. Alternatively, the micrometeorological gradient method uses measured concentrations at two levels above a surface. The perfect tool for both flux measurement methods is the Tekran 1110 Two Port Sampler, so the Tekran 2537 can automatically switch between two distinct sampling points. Ask us how we can help you setup a mercury flux system.

    By Tekran Instruments Corporation based in Toronto, ONTARIO (CANADA).

  • Solutions for mercury removal emissions from flue gas streams

    For the removal of mercury emissions from flue gas streams, Calgon Carbon`s specialty PAC products are proven industry performers. These industries include: Coal-fired electric power plants, Cement, Boilers.

    By Calgon Carbon Corporation based in Moon Township, PENNSYLVANIA (USA).

  • Mercury Removal from Ash

    A by-product from burning pulverized coal in electric power generating plants, fly ash can contain substantial levels of mercury which can negatively impact human health and the environment. Responding to the threat of mercury exposure, the EPA has established tough standards for the power industry to meet. VulcanĀ® Systems Thermal Desorption Units remove mercury from fly ash, making the end product reusable for concrete production. Through this process, power plants are able to create a new revenue stream through the sale of clean fly ash, eliminate expensive disposal costs, and protect the environment. Besides solving the disposal problem, adding fly ash to concrete improves the quality of the concrete. As a replacement for Portand Cement, the use of fly ash saves on material expenses, decreases permeability, and prevents expansion, thermal cracking, and efflorescence. It also increases working time, and makes pumping and finishing much easier.

    By Vulcan Systems based in Moberly, MISSOURI (USA).

  • Independent particle characterization services for medical devices industries

    Advances in biomedical implant and device technology continue to present new challenges in the area of physical testing. Particle Size Distribution, Surface Area and Porosity measurement data are invaluable to the biomedical researcher. PTL partners with each client to design projects that provide this needed information while controlling the costs of research. Applications have included particle size analysis of wear particles in fluid submitted from implant fatigue studies and pore size analysis of tricalcium phosphate granules compressed into bone grafting media. Evaluation by photomicroscopy and mercury porosimetry of artifical ligament materials have provided insight to researchers on their products.

    By Particle Technology Labs based in Downers Grove, ILLINOIS (USA).

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