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Homepage>ASTM Standards>ASTM B0827-05R20 - Standard Practice for Conducting Mixed Flowing Gas (MFG) Environmental Tests
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Released: 2020-04-17

ASTM B0827-05R20

Standard Practice for Conducting Mixed Flowing Gas (MFG) Environmental Tests

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Standards number:ASTM B0827-05R20
Standard number:B0827-05R20
Keywords:air velocity; chlorine; corrosion; corrosive gas testing; corrosivity; corrosivity monitor; coulometry; environmental; humidity; hydrogen sulfide; mixed flowing gas; nitrogen oxide; pollutant; pore corrosion; quartz crystal microbalance; resistance monitor; sulfur; sulfur dioxide; tarnish; temperature; testing;

1.1 This practice provides procedures for conducting environmental tests involving exposures to controlled quantities of corrosive gas mixtures.

1.2 This practice provides for the required equipment and methods for gas, temperature, and humidity control which enable tests to be conducted in a reproducible manner. Reproducibility is measured through the use of control coupons whose corrosion films are evaluated by mass gain, coulometry, or by various electron and X-ray beam analysis techniques. Reproducibility can also be measured by in situ corrosion rate monitors using electrical resistance or mass/frequency change methods.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. See

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.