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Status : Historical
Standard Type : Main
Document No : ASTM D4891 : 13
Document Year : 2013
Pages : 6
Section Volume : Volume 05.06 Gaseous Fuels; Coal and Coke; Catalysts; Bioenergy and Industrial Chemicals from Biomass (05.06)
1.1 This 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 | ||
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|
| ||
| 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 | |
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ASTM D4891 : 89(1994)e1 | ||