Technical Articles
Environics, Inc. has published these technical articles:
(Gas Handling Equipment)
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By learning about the mechanics of ultra-low concentration gas mixing, we can appreciate its role in achieving high precision and reliability in gas applications....
(Gas Handling Equipment)
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Calibration gas is surprisingly important to successful compliance with industrial emissions regulations...
(Gas Sensing)
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Calibrating Continuous Emissions Monitoring (CEM) gas analyzers is crucial for ensuring the reliable measurement of emissions from industrial smokestacks and maintaining compliance with environmental...
(Gas Handling Equipment)
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Mechanism of Gas Permeation Ovens...
(Gas Handling Equipment)
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Generating Low-Level Gas Concentrations...
(Gas Handling Equipment)
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The demand for efficient and precise gas delivery systems is paramount in today’s rapidly evolving industrial landscape. These systems, designed to provide gas on demand, are revolutionizing...
(Gas Handling Equipment)
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The Imperative of Purity in Gas Mixtures...
(Gas Handling Equipment)
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The Essence of Double Dilution...
(Gas Handling Equipment)
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At the heart of Nafion-based gas humidification systems is Nafion™ tubing. This is a remarkable material known for its unique permeability properties....
(Gas Handling Equipment)
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At the heart of this precision lies the role of medical-grade welding gas mixers, an important component in ensuring high-accuracy welding applications, particularly in environments where consistency...
(Gas Handling Equipment)
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Choosing the Right Ozone Generator: Key Factors to Consider...
(Gas Handling Equipment)
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The Significance of MFCs in Gas Blenders...
(Gas Handling Equipment)
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Ambient air monitoring is an increasingly critical initiative in an array of application areas. It helps environmental agencies to determine the concentration of pollutants in urban areas....
(Gas Sensing)
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Precision is paramount in the technical world of gas sensor screening. Ensuring the accuracy of gas sensors not only guarantees the reliability of research systems but also safeguards the well-being...
(Gas Handling Equipment)
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Cost-Effective Oxidant Gas Production...
(Gas Handling Equipment)
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Choosing accurate and reliable equipment for gas blending operations is essential. The photometer-controlled ozone generator is one such device. But why should one opt for this specific type of...
(Gas Sensing)
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Industrial site owners must implement and maintain working continuous emissions monitoring systems (CEMS) to accurately measure and monitor emission levels from smokestacks. This process offers many...
(Gas Handling Equipment)
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This article will provide an overview of welding and explain the importance of protective atmospheres....
(Gas Handling Equipment)
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This article dives into the origins and effects of VOC gas on the environment and on human health....
(Gas Handling Equipment)
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Ozone transfer standards are used in vital processes and equipment that analyze air quality, ensuring the accuracy and traceability of ozone measurements....
(Gas Handling Equipment)
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Here we will delve into the principles of gas chromatography and how it helps analytical chemists obtain, process, and communicate information about different substances' chemical and structural...
(Gas Handling Equipment)
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The accuracy of any gas chromatograph is utterly dependent on the system's reliability, which can only be verified by gas calibration....
(Gas Handling Equipment)
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What is GC Calibration?...
(Gas Handling Equipment)
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Ambient air monitors can provide critical data about the health of our immediate atmosphere and what needs to change to improve air quality. Ozone transfer standards are a vital part of that process,...
(Gas Handling Equipment)
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What are PIDs?...
(Gas Handling Equipment)
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Global transit capacities enable the rapid transport of perishable goods and produce across the world, meaning that consumers can enjoy products many miles from their country of origin. This is a...
(Gas Handling Equipment)
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What is a shield gas and what effect might the choice of shield gas have on the weld?...
(Medical)
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Hypoxia is a condition brought on due to inadequate oxygen and it can have dire consequences. Pilots who fly at high altitudes are at risk of becoming hypoxic, and it is critical that they are...
(Gas Handling Equipment)
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SCUBA diving has changed dramatically since the early days whenoctopus resized 600 the breathing air was pumped to divers from the surface. The freedom to move without being tethered to an air line...
(Gas Handling Equipment)
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What is "Zero Air" and why would you ever use it?...
(Gas Handling Equipment)
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Most people, when they hear the word Ozone, immediately think of air pollution and global warming. This is just a small part of the story. Ozone also has many useful applications....
(Gas Handling Equipment)
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Reduce oxygen or hypoxia training is conducted in a number of different ways....
(Flow Sensing)
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A flow controller's accuracy is typically expressed as a percent of Full-Scale flow (%FS). This means that the flow controller is most accurate when operating at its rated full-scale flow rate....
(Process Controllers)
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This article will briefly outline calibration standards and mass flow controllers to demonstrate how MFCs are used to produce accurate calibration standards....
(Gas Handling Equipment)
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There are many applications for gas mixtures. One of the most demanding is the creation of calibration gas mixtures for instrumentation, where great accuracy and precision must be achieved for the...
(Gas Sensing)
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This article will outline how CEMS work, their main components and why they are essential....
(Gas Handling Equipment)
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Gas delivery systems are used in a wide range of industries and applications. They are used to safely decrease the pressure from high-pressure cylinders to supply various instruments and tools in...
(Gas Handling Equipment)
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To carry out accurate trace gas analysis, it's essential that trace level gas calibration is carried out regularly and with precisely prepared calibration gas mixtures....
(Gas Handling Equipment)
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Trace level gases are those that are present in small concentrations, such as one ppb or lower. Analyzing these tiny concentrations can be challenging and require specific processes. This article will...
(Gas Sensing)
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There is an increasing demand for improved detection methods for gases at trace levels. Trace gas monitoring is very similar to standard gas monitoring however there are a few operation differences...
(Gas Handling Equipment)
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What is a Gas Humidifier? A gas humidifier is an instrument for artificially warming and humidifying respiratory gas for mechanically ventilated patients. When natural respiratory humidification...
(Gas Handling Equipment)
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Zero air generators are increasingly popular in a range of settings, offering an efficient, compact means of safely removing hydrocarbons from the air....
(Gas Handling Equipment)
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At Environics, we deliver gas mixing technologies based on ultra-precise thermal mass flow controllers (MFCs) and extremely accurate computerization and calibration. This enables us to generate custom...
(Gas Handling Equipment)
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Permeation systems are devices that are both simple and effective, employed to produce exacting gas blends for a broad spectrum of uses. Users generally choose permeation if low-level concentrations...
(Gas Handling Equipment)
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A permeation system is a simple yet effective device used to generate precise gas blends for a wide range of applications, from biological/medical mixing to sensor calibration. Users typically opt for...
(Gas Handling Equipment)
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Defence Industry Research Using Reduced Oxygen Delivery Devices...
(Gas Handling Equipment)
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How Does Continuous Emission Monitoring Work?...
(Gas Handling Equipment)
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Applications of Gas Humidifiers...
(Gas Handling Equipment)
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A step-by-step guide to carrying out precise gas calibration and ensuring that measured values accurately correlate to accepted measurement standards....
(Gas Handling Equipment)
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Continuous emissions monitoring systems are used as a tool for monitoring effluent gas streams which are produced by combustion in industrial processes. This then demonstrates compliance to...
(Product and Material Testing)
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Modified atmospheres are specifically created by modifying the natural composition and distribution of atmospheric gases within packaging to create optimal conditions for enhancing shelf life and...
(Gas Handling Equipment)
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Basic Working Principles of Gas Blenders...
(Gas Handling Equipment)
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Global transit capacities enable the rapid transport of perishable goods and produce across the world, meaning that consumers can enjoy products many miles from their country of origin. This is a...
(Gas Handling Equipment)
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In many industrial or research applications, gases need to be diluted from a high concentration to a variety of lower concentrations. A frequently used application of gas dilution is in the...
(Gas Handling Equipment)
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Gas humidification refers to the addition of water vapor to a gas flow to create a specific relative humidity (RH). Relative humidity is the ratio of partial pressure of water vapor (pH2O) in the gas...
(Gas Handling Equipment)
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Multi-gas analyzers are a very important part of ambient monitoring, where low-level concentrations of certain species can have a dramatic impact on air quality. They are deployed across a wide...
(Calibration Instruments, Standards and Reference Sources)
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As with any form of quantitative analysis, proper calibration is key to success in gas chromatographic workflows. We will run through some of the steps to thorough gas chromatography calibration...
(Packaging and Labeling Equipment)
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the history of meat packaging using modified atmosphere packaging in recent years. Specifically, it reviews the shift to pre-packed vs on site packaged meats...
(Gas Handling Equipment)
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A truly ultra-high-purity gas mixer is defined by its leak integrity and permeability mitigation. This means that the system is designed to mitigate both absorption and outgassing from any point in...
(Gas Handling Equipment)
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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 types...
(Gas Handling Equipment)
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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, your calibration reports. We will also take a look at 2 optional...
(Gas Handling Equipment)
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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...
(Gas Handling Equipment)
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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 require a robust gas delivery system to...
(Gas Handling Equipment)
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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 widely employed in the mixing,...
(Gas Handling Equipment)
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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 the operator to add specific RH...
(Gas Handling Equipment)
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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 achieved by integrating a sensor tube into the flow system...
(Gas Handling Equipment)
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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...
(Gas Handling Equipment)
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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...
(Calibration Instruments, Standards and Reference Sources)
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We often receive calls and emails asking about the best way to maintain our mixers and dilutors. There are several important things that you can do to keep your unit running in top shape. They will...
(Gas Handling Equipment)
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Humidifiers allows you to add specific Relative Humidity (RH) levels to a gas or a blend of gases to simulate actual conditions in laboratory experiments or other cases where gas samples contain...
(Environmental Services)
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On October 1, 2017, a new ozone standard took effect in the US amid widely differing opinions....
(Calibration Instruments, Standards and Reference Sources)
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More and more, we are talking about trace level ambient monitoring. This monitoring is in line with the measurement objectives of NCORE which is part of the Ambient Monitoring Technology Information...
(Gas Handling Equipment)
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We will be looking at some common questions for the Model 4000....
(Gas Handling Equipment)
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we will troubleshoot low/no flow issues with one or more mass flow controllers (MFCs)....
(Gas Handling Equipment)
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Several Air Force bases in the United States have recently unveiled their new Reduced Oxygen Breathing Devices (ROBD). The ROBD simulates altitude exposure and can be utilized for both research and...
(Gas Handling Equipment)
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This week, the US House of Representative's Committee on Energy and Commerce Subcommittee discussed H.R. 806, known as the Ozone Standards Implementation Act of 2017....
(Gas Handling Equipment)
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The US EPA released the 2015 data under the Greenhouse Gas Reporting Program. The report details the sixth year of greenhouse gas pollution trends from large industrial sources....
(Uncategorized)
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In a recent speech, U.S. Secretary of State John Kerry stated that climate change is one of the most serious issues facing our world today and that he considers it "the greatest challenge of our...
(Gas Sensing)
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The US EPA announced on Monday that a notice of violation, or NOV, of the Clean Air Act was issued to Volkswagen. The EPA states that the model years 2009-2015 Volkswagen and Audi vehicles (4-cylinder...
(Gas Sensing)
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Hypoxia was in the news recently after a small aircraft went down near Jamaica. After initialing radioing for permission to descend from 25,000 to 20,000 feet due to an indication of an issue, all...
(Uncategorized)
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On June 2, following an announcement by President Obama, the US EPA presented the Clean Power Plan, "a commonsense plan to cut carbon pollution from power plant" with the stated goal of maintaining...
(Education and Training)
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Check out this recent article regarding the use of the Reduced Oxygen Breathing Device in preparing US Air Force Airmen for the "Worse Case Scenario."...
(Uncategorized)
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Recently, the US EPA released their final proposal to update the new source performance standards (NSPS) for new woodstoves and heaters, and to add NSPS for the first time for pellet stoves, furnaces,...
(Medical)
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The U.S. Navy has replaced segments of refresher low-pressure chamber instruction with normobaric hypoxia training using a reduced oxygen breathing device (ROBD). A previous training evaluation...
(Medical)
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Moniaga NC, Griswold CA. Loss of consciousness and seizure during normobaric hypoxia training. Aviat Space Environ Med 2009; 80:485-8....
(Calibration and Testing Services)
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The purpose of this rule is to add a test method which would be used to verify the performance and accuracy of gas dilution systems during a field test. The test method is entitled, "Verification of...
(Flow Sensing)
From this Article:
A flow controller's accuracy is typically expressed as a percent of Full-Scale flow (%FS). This means that the flow controller is most accurate when operating at its rated full-scale flow rate. This...
(Calibration and Testing Services)
From this Article:
On May 30, 1995, the EPA published the final version of Method 205 for inclusion in Appendix M of 40 CFR Part 51 entitled, 'Verification of Gas Dilution Systems for Field Instrument Calibrations.'...
(Calibration Instruments, Standards and Reference Sources)
From this Article:
A number of investigators have shown the utility of direct sampling ion trap mass spectrometry (DSITMS) for on-line, real-time monitoring applications. While ion trap instrumentation continues to...
(Gas Sensing)
From this Article:
Low ppb detection limits for contamination in cylinder gases have been achieved with gas chromatography using a modified gas injection system and megabore capillary columns with a variety of detectors...