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1.1 This test method covers a rapid and simple field determination of carbon dioxide in natural gas pipelines. Available detector tubes provide a total measuring range of 100 ppm (parts per million) up to 60 % by volume, although the majority of applications will be on the lower end of this range (that is, under 5 %). At least one manufacturer provides a special kit for measurements from 10 to 100 % CO2, but the normal 100-cc hand pump is not used. See Note 1.
Note 1: High-range carbon dioxide detector tubes will have measuring ranges in percent (%) CO2, and low-range tubes will be in parts per million (ppm). To convert percent to ppm, multiply by 10 000 (1 % = 10 000 ppm).
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2015-11-01 |
| ICS | 75.160.30 : Gaseous fuels |
| Number of pages | 3 |
| Replace | ASTM D4984-06(2011) |
| Set | ASTMVOL0506 |
| Year | 2006 |
| Document history | ASTM D4984-06(2011) |
| Country | USA |
| Keyword | ASTM 4984;ASTM D4984;ASTM D4984;10.1520/D4984-06R15 |