ASTM D7423-17
- standard by ASTM International, 06/01/2017
- Standard Test Method for Determination of Oxygenates in C2, C3, C4, and C5 Hydrocarbon Matrices by Gas Chromatography and Flame Ionization Detectio
- Category: ASTM
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Full Description
1.1 This test method covers the gas chromatographic procedure for the quantitative determination of organic oxygenates in C2, C3, C4, and C5 matrices by multidimensional gas chromatography and flame ionization detection. This test method is applicable when the hydrocarbon matrices have a final boiling point not greater than 200 °C. Oxygenate compounds include, but are not limited to, those listed in Table 1. The linear working range for oxygenates is 0.50 mg/kg to 100 mg/kg.
| Components | Retention Time (min) |
| Dimethyl ether | 6.18 |
| Diethyl ether | 8.44 |
| Acetaldehyde | 8.89 |
| Ethyl tert-butyl ether | 10.66 |
| Methyl tert-butyl ether (MTBE) | 10.92 |
| Diisopropyl ether | 11.22 |
| Propionaldehyde (Propanal) | 12.00 |
| Tertiary amyl methyl ether (TAME) | 13.19 |
| Propyl ether | 14.00 |
| Isobutylaldehyde | 14.10 |
| Butylaldehyde | 14.50 |
| Methanol | 14.91 |
| Acetone | 15.39 |
| Isovaleraldehyde | 16.00 |
| Valeraldehyde | 16.10 |
| 2-Butanone (MEK) | 17.14 |
| Ethanol | 17.51 |
| N-propyl alcohol and isopropanol | 19.20 (co-elution) |
| Allyl Alcohol | 20.00 |
| Isobutanol, Tert-butyl alcohol, Sec-Butanol | 20.24 (co-elution) |
| N-butanol | 20.84 |
1.2 This test method is intended to determine the mass concentration of each oxygenate in the hydrocarbon matrix. Oxygenate compound identification is determined by reference standards and column elution retention order.
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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Published:
- 06/01/2017
- Number of Pages:
- 9
- File Size:
- 1 file , 220 KB
- Redline File Size:
- 2 files , 570 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
Document History
ASTM D7423-23
ASTM D7423-17
ASTM D7423-16a
ASTM D7423-16e1
ASTM D7423-16
ASTM D7423-09
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