ASTM International - ASTM G91-97(2010)
Standard Practice for Monitoring Atmospheric SO 2 Using the Sulfation Plate Technique
| Organization: | ASTM International |
| Publication Date: | 1 September 2010 |
| Status: | inactive |
| Page Count: | 5 |
| ICS Code (Ambient atmospheres): | 13.040.20 |
significance And Use:
Atmospheric corrosion of metallic materials is a function of many weather and atmospheric variables. The effect of specific corrodants, such as sulfur dioxide, can accelerate the atmospheric... View More
scope:
1.1 This practice covers a weighted average effective SO2 level for a 30-day interval through the use of the sulfation plate method, a technique for estimating the effective SO2 content of the atmosphere, and especially with regard to the atmospheric corrosion of stationary structures or panels. This practice is aimed at determining SO2 levels rather than sulfuric acid aerosol or acid precipitation.
1.2 The results of this practice correlate approximately with volumetric SO2 concentrations, although the presence of dew or condensed moisture tends to enhance the capture of SO2 into the plate.
1.3 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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