ASTM D 4891 : 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Test Method for Heating Value of Gases in Natural Gas and Flare Gases Range by Stoichiometric Combustion
Hardcopy , PDF
31-08-2020
English
01-05-2013
1.1This test method covers the determination of the heating value of natural gases and similar gaseous mixtures within the range of composition shown in Table 1, and Table 2 that covers flare components but is not intended to limit the components to be measured in flare gases.
| Compound | Concentration Range, mole, % |
| Helium | 0.01 to 5 |
| Nitrogen | 0.01 to 20 |
| Carbon dioxide | 0.01 to 10 |
| Methane | 50 to 100 |
| Ethane | 0.01 to 20 |
| Propane | 0.01 to 20 |
| n-butane | 0.01 to 10 |
| isobutane | 0.01 to 10 |
| n-pentane | 0.01 to 2 |
| Isopentane | 0.01 to 2 |
| Hexanes and heavier | 0.01 to 2 |
| Compound | CAS Number | ||
| Volatile Analytes | |||
| Acetone | 67-64-1 | ||
| Acetonitrile | 75-05-8 | ||
| Acrolein | 107-05-8 | ||
| Acrylonitrile | 107-13-1 | ||
| Benzene | 71-43-2 2 | ||
| 1,3-Butadiene | 106-99-0 | ||
| Carbon disulfide | 75-15-0 | ||
| Chlorobenzene | 108-90-7 | ||
| Cumene (isopropylbenzene) | 98-82-8 | ||
| 1,2-Dibromoethane | 106-93-4 | ||
| Ethylbenzene | 100-41-4 2,2,4 | ||
| Hexane | 110-54-3 | ||
| Methanol | 67-56-1 | ||
| Methyl isobutyl ketone | 108-10-1 | ||
| Methyl t-butyl ether | 1634-04-4 | ||
| Methylene chloride | 75-09-2 | ||
| Nitrobenzene | 98-95-3 | ||
| Nitropropane | 79-46-9 | ||
| Pentane2 | 109-66-0 | ||
| Styrene | 100-42-5 | ||
| Tetrachloroethene | 127-18-4 | ||
| Toluene | 108-88-3 | ||
| Trichloroethene | 79-01-6 | ||
| Trimethylpentane | 2 540-84-1 | ||
| Xylenes (mixed isomers) | 1330-20-7 | ||
| Trimethylpentane | 2 540-84-1 | ||
| Xylenes (mixed isomers) | 1330-20-7 | ||
| Semi-volatile Analytes | |||
| Acenaphthene | 83-32-9 | ||
| Acenaphthylene | 208-96-8 | ||
| Aniline | 62-53-3 | ||
| Anthracene | 120-12-7 | ||
| Benzidine1 | 92-87-5 | ||
| Benz[a]anthracene | 56-55-3 | ||
| Benzo[b]fluoranthene | 205-99-2 | ||
| Benzo[k]fluoranthene | 207-08-9 | ||
| Benzo[g,h,i]perylene | 191-24-2 | ||
| Benzo[a]pyrene | 50-32-8 | ||
| Benzo[e]pyrene2 | 192-97-2 | ||
| Biphenyl2, | 92-52-4 | ||
| Cresol (mixed isomers) | 1319-77-3 | ||
| Chrysene | 218-01-9 | ||
| Dibenz[a,h]anthracene | 53-70-3 | ||
| Dibenzofuran | 132-64-9 | ||
| Dibenzo(a,e)pyrene | 192-65-4 | ||
| 3,3’- Dimethoxybenzidine | 119-90-4 | ||
| Dimethylaminobenzene | 60-11-7 | ||
| 7,12-Dimethylbenz(a)anthracene | 57-97-6 | ||
| 3,3’- Dimethylbenzidine | 119-93-7 | ||
| á,á- Dimethylphenethylamine | 122-09-8 | ||
| 2,4-Dimethylphenol | 105-67-9 | ||
| Fluoranthene | 206-44-0 | ||
| Fluorene | 86-73-7 | ||
| Indeno(1,2,3-cd)pyrene | 193-39-5 | ||
| Isophorone | 78-59-1 | ||
| 3-Methylcholanthrene | 56-49-5 | ||
| 2-Methylnaphthalene | 91-57-6 | ||
| Naphthalene | 91-20-3 | ||
| Perylene2 | 198-55-0 | ||
| Phenanthrene | 85-01-8 | ||
| Phenol | 108-95-2 | ||
| 1,4-Phenylenediamine | 106-50-3 | ||
| Pyrene | 129-00-0 | ||
| o-Toluidine | 95-53-4 | ||
| Aldehydes | |||
| Methanol | 67-56-1 | ||
| Formaldehyde | 50-00-0 | ||
| Acetaldehyde | 75-07-0 | ||
| Propanal | 123-38-6 | ||
| C1 to C5 Hydrocarbons | |||
| Description | Compound | CAS Number | |
| C1 Alkanes | Methane | 74-82-8 | |
| C2 Alkanes | Ethane | 74-84-0 | |
| C3 Alkanes | Propane | 74-98-6 | |
| C4 Alkanes | n-Butane | 106-97-8 | |
| Isobutane | 75-28-5 | ||
| C5 Alkanes | n-Pentane | 109-66-0 | |
| 2-Methylbutane | 78-78-4 | ||
| Cyclopentane | 287-92-3 | ||
| C2 Olefins | Ethylene | 74-85-1 | |
| C2 Alkanes | Acetylene | 74-86-2 | |
| C3 Olefins | Propylene | 115-07-1 | |
| C4 Olefins | 1-Butene | 106-98-9 | |
| 2-Butene | 107-01-7 | ||
| Isobutene | 115-11-7 | ||
| C5 Olefins | 1-Pentene | 109-67-1 | |
| Cis-2-pentene | 627-20-3 | ||
| Trans-2-pentene | 646-04-8 | ||
| 2-Methyl-1-butene | 563-46-2 | ||
| 3-Methyl-1-butene | 563-45-1 | ||
| 2-Methyl-2-butene | 513-35-9 | ||
| Cylcopentene | 142-29-0 | ||
| C3 Alkadienes | Propadiene | 463-49-0 | |
| C4 Alkadienes | 1,2-Butadiene | 590-19-2 | |
| 1,3-Butadiene | 106-99-0 | ||
| C5 Alkadienes | 1,2-Pentadiene | 591-95-7 | |
| 1-cis-3-Pentadiene | 1574-41-0 | ||
| 1-trans-3- Pentadiene | 2004-70-8 | ||
| 1,4-Pentadiene | 591-93-5 | ||
| 2,3-Pentadiene | 591-96-8 | ||
| 3-Methyl-1,2- butadiene | 598-25-4 | ||
| 2-Methyl-1,3- butadiene | 78-79-5 | ||
| Cyclopentadiene | 542-92-7 | ||
| Heating Value Range | |||
| Unit | Lower | Upper | |
| Btu/ft3 | 83 | 2350 | |
1.2This standard involves combustible gases. It is not the purpose of this standard to address the safety concerns, if any, associated with their 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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