ASTM B 827 Standard Practice for Conducting Mixed Flowing Gas (MFG) Environmental Tests

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ASTM B 827 Document Information:

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

ASTM International

Publication Date:
May 1, 2005

Scope:

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

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.

The values stated in SI units are to be regarded as the standard.

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 for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use. See 5.1.2.4.

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

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