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Hardness Monitoring Applications

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    Gas monitoring instruments and systems for compressed breathing air

    Compressed breathing air is subject to strict limits of harmful contaminants defined in European standard EN 12021 and various defence standards such as DEF STAN 68-284 issue 3. The testing interval of breathing air compressors and associated equipment is 3 months and gases tested include carbon monoxide, carbon dioxide and oil vapour defined as hexane and heavier hydrocarbons. EN 12021 covers underwater applications including self-contained open circuit compressed gas breathing (SCUBA) and compressed gas line breathing (hard-helmet diving), respiratory equipment used on ground for escaping from toxic atmospheres and for working in contaminated atmospheres. It also covers breathing gas for hyperbaric operations and synthetic air. While EN 12021 does not cover aerospace applications, the British MOD publication DEF STAN 68-284 and its counterparts in other countries cover also the breathing gases used in aviation.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Visual inspection solutions for the tips on choosing a sewer inspection camera

    Sewer inspection cameras are widely used by plumbers, contractors, engineers, home inspectors, municipal workers and other professionals for inspecting areas that are normally difficult to see, that is pipeline interiors, spaces behind walls, inside a drain and other hard-to-reach places. So, if you are thinking of purchasing a sewer inspection camera, first, you need to consider what it is you are going to use it for. Should it be water- and chemicals- proof? How much light will you need? How long should the insertion probe be? etc.

    By Medit Inc. based in Winnipeg, MANITOBA (CANADA).

  • Sand and Dust control/stabilisation

    PermeatecDS is a unique polymer technology developed by TAL and is aimed specifically at the control of dust and stabilisation of loose, granular materials. PermeatecDS can be applied to such materials – as an aqueous surface spray – to control dust and provide a hard, durable surface. In addition, it can be mixed directly with loose, granular material to provide a solid block of material. PermeatecDS is a complex acrylate-based polymer system, designed to be dispersed in water, aiding application and improving safety/handling. The polymer is able to coat and bind loose materials, forming a complex web of interlocking particles and polymer, which – when dried – form a hard, durable material. The ability to change application rates, provides the user with precise control and allows stabilisation levels, strength and durability to be tailored as required.

    By Technical Absorbents based in Grimsby, UNITED KINGDOM.

  • Phosphonate Testing in Hard Water

    Testing phosphonates in hard water can be difficult due to interference from high levels of calcium. Here we present a phosphonate test method for hard water samples. The method is based on a chemical masking of the calcium. The WAT hard water phosphonate test uses C30 Spectrophotometer to measure the chromogen PMB and digital thermoreactor to digest the phosphonate compound. The thermoreactor capacity of 16 simultaneous vials provides for running critical data quality assurance samples.

    By WAT Australia Pty.Ltd. based in West Australia, AUSTRALIA.

  • Industrial water softening

    The presence of certain metal ions in water causes a variety of problems. These ions interfere with the action of soaps, lead to build up of limescale, which can foul plumbing, boilers, heating equipment. Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water extends the lifetime of plumbing and heating equipment. Softening of low TDS ( Total Dissolved Solids ) water is done commonly with a Strong Acid Cation ( SAC ) exchange resin operating in the sodium form and regenerated with brine. PuriTech`s latest development is a very performant continuous ion exchanger, based on PuriTech`s innovative ION-IX technology which is based on true counter-current ion exchange.

    By PuriTech Ltd based in Herentals, BELGIUM.

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