The most common air pollutants include carbon monoxide, ground level ozone, nitrogen oxides, particulate matter, sulfur oxides, and volatile organic compounds. There are other pollutants that are important both due to their impact on the environment and on public health. We will take a look at two such pollutants, ammonia and hydrogen sulfide. (more…)
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One of the most popular options for an Environics Gas Mixing or Dilution system is humidification. The Environics humidifier option or our stand-alone humidifier allows
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Today, let’s look at a key piece of documentation that you will receive one for each MFC in a new unit and with each recalibration,
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Gas metal arc welding (GMAW) is a joining process that consumes shielding gas in significant volumes. Even hobbyists and other small-scale users of MIG welders
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Monitoring the composition of ambient air is a vital process in maintaining the quality of the air we breathe. The World Health Organisation (WHO) has attributed millions of deaths per year to air pollution and inhalation of industrial particulates emitted by vehicles and industrial plants. New research has underlined the severity of the issue, suggesting that the health impacts associated with polluted air are more severe than previously believed. The European Heart Journal estimates that air pollution reduces the mean life expectancy in Europe by approximately 2.2 years[1].
Gas flow systems serve myriad purposes around the world. They are used to calibrate gas chromatographs (GC) in laboratory and analytical facilities and have been
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Thermal mass flow controllers (MFCs) are often used to control the flow of a gas species based on the dissipation of thermal energy. This is
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Ozone (O3) is subcategorized into three primary groups; stratospheric, tropospheric, and artificially-manufactured ozone. Stratospheric ozone is a naturally-occurring substance that forms in the upper stratosphere,
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Gas flow systems are extremely varied in terms of device architecture, functionality, and measurement accuracy. They include delivery, blender, divider, diluter, and myriad other instrument
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Ambient air quality testing is conducted to determine the gaseous or particulate concentration of air that may be released into the environment or breathed by humans. Dry air in the Earth’s atmosphere comprises a dynamic mixture of gases, primarily nitrogen (~78%) and oxygen (~21%). Smaller volumes of argon (~0.9%) and carbon dioxide (~0.04%) are also
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