Hydrocarbons, C4 – C12

Application Note

Energy & Fuels

IntroductionGas chromatography with an Agilent CP-Sil PONA CB column separates over 165 C4 to C12 hydrocarbons in 130 minutes.

AuthorsAgilent Technologies, Inc.

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ConditionsTechnique : GC-capillary

Column : Agilent CP-Sil PONA CB, 0.25 mm x 100 m fused silica WCOT CP-Sil PONA CB (df = 0.5 μm)(Part no. CP7530)

Temperature : 0 °C (15 min) → 50 °C, 1 °C/min; 50 °C → 130 °C, 2 °C/min;130 °C → 180 °C, 4 °C/min; 180 °C (20 min)

Carrier Gas : He, 260 kPa (2.6 bar, 37 psi), 22.1 cm/s

Injector : Splitter, 200 mL/minT = 200 °C

Detector : FID,T = 25O °C

Sample Size : 0.15 μL

Peak identification1. isobutane2. n-butane3. trans-2-butene4. 2,2-dimethylpropane5. cis-2-butene6. 3-methyl-1-butene7. isopentane8. 1-pentene9. 2-methyl-1-butene10. n-pentane11. isoprene12. trans-2-pentene13. 1-pentyne14. cis-2-pentene15. 2-methyl-2-butene ?16. trans-1,3-pentadiene17. cis-1,3-pentadiene18. cyclopentene19. 4-methyl-1-pentene20. cis-2,3-pentadiene21. cyclopentane22. 2,3-dimethylbutane23. C6 olefin24. C6 olefin25. 2-methylpentane26. C6 olefin27. 3-methylpentane

? = tentative identification

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Peak identification27. 3-methylpentane28. C6 olefin29. 1-hexane30. C6 olefin31. n-hexane32. C6 olefin33. trans-2-hexane34. C6 olefin35. 2-methylpentadiene36. C6 olefin37. cis-2-hexene38. C6 olefin39. C6 olefin40. methylcyclopentane41. 2,4-dimethylpentane42. C7 olefin43. 2,2,3-trimethylbutane44. C7 olefin45. C7 olefin46. C7 olefin47. benzene48. 1-methyl-1-cyclopentane49. C7 olefin50. 3,3-dimethylpentane51. cyclohexane52. 2-methylhexane53. 3-methylhexane54. cis-1,3-dimethylcyclopentane 55. trans-1,3-dimethylcyclopentane 56. 3-ethylpentane57. trans-1,2-dimethylpentane58. 2,2,4-trimethylpentane59. 1-heptaneA. C7 olefin60. n-heptane61. cis-3-heptane

62. trans-2-heptene63. cis-2-heptene64. methylcyclohexane65. 2,2-dimethylhexane66. ethylcyclopentane67. 2,5-dimethylhexane68. 2,2,3-trimethylpentane69. 2,4-dimethylhexane70. trans-cis-1,2,3-trimethylcyclopentane71. trans-cis-1,2,3-trimethylcyclopentane72. 2,3,4-trimethylpentane73. toluene + 2,3,3-trimethylpentane74. 2,3,4-dimethylhexane75. 2-methylheptane76. 4-methylheptane77. cis-trans-1,2,4-trimethylpentane78. 3,4-dimethylhexane79. 3-methylheptane ?80. 2,2,5-trimethylhexane ?81. cis-1-ethyl-2-methylcyclohexane ?82. cis-1-ethyl-3-methylcyclohexane ?83. cis,cis-1,2,3-trimethylpentane84. n-octane85. trans-2-octene86. isopropylcyclopentane87. 2,3,5-trimethylhexane ?88. 2,2-dimethylheptane89. cis-1,2-dimethylcyclohexane90. ethylcyclohexaneC. C8 olefins91. 1,1,4-trimethylcyclohexane92. 3,3-dimethylheptane93. 2,5-dimethylheptane94. 2,3,3-trimethylhexane95. ethylbenzene96. trans-1,2,4-trimethylcyclohexane

97. 3,3,4-trimethylhexane ?98. m-xylene99. p-xylene100. 3,5-dimethylheptane101. 2,3-dimethylheptane102. 3,4-dimethylheptane103. 4-ethylheptane ?104. 4-methyloctane ?105. 2-methyloctane106. 3-methyloctane107. o-xylene108. C9 paraffin ?109. 1-nonene110. cis-3-nonene111. C9 paraffin112. 1-methyl-1-ethylcyclohexane113. C10 paraffin114. isopropylbenzene115. trans-butylcyclopentene ?116. 2,2-dimethyloctane117. 1-methyl-4-isopropylhexane118. 2,4-dimethyloctane ?119. 2,6-dimethyloctane ?120. butylcyclopentane121. 3,3-dimethyloctane122. propylbenzene123. 3,6-dimethyloctane ?124. 3-methyl-5-ethylheptane ?125. 1-ethyl-3-methylbenzene126. 1-ethyl-4-methylbenzene127. 1,3,5-trimethylbenzene128. 3,3,4-trimethylheptane129. 1-ethyl-2-methylbenzene130. 3-ethyloctane131. 3-methylnonane132. C10 paraffin

133. 1,2,4-trimethylbenzene134. C10 paraffin135. 1-decane136. C10 paraffin137. n-decane138. 1,2,3-trimethylbenzene139. 1-methyl-4-isopropylbenzene140. C11 paraffin141. indane 142. napthene + 3-ethylnonane ?143. 1,3-diethylbenzene ?144. 1-methyl-3-propylbenzene145. 1-methyl-4-propylbenzene146. 1,4-diethylbenzene ?147. 1,3-dimethy-5-ethylbenzene 148. 1-methyl-2-propylbenzene 149. C11 paraffin150. 1,4-dimethyl-2-ethylbenzene151. 1,3-dimethyl-4-ethylbenzene152. 1,2-dimethyl-4-ethylbenzene153. 1,3-dimethyl-2-ethylbenzene154. 1,2-dimethyl-3-ethylbenzene155. n-undecane156. 1,2,4,5-tetramethylbenzene157. 1,2,3,5-tetramethylbenzene158. trans-1-butyl-2-methylbenzene159. 1-ethyl-2-propylbenzene ?160. 1-methyl-3-butylbenzene161. pentylbenzene162. napthalene163. n-dodecane164. 1,3,5-triethylbenzene165. 1,2,4-triethylbenzene166. 1-methyl-4-pentylbenzene ?167. 2-methylnapthalene168. 1-methylnapthalene

? = tentative identification

www.agilent.com/chemThis information is subject to change without notice.© Agilent Technologies, Inc. 2011Printed in the USA31 October, 2011First published prior to 11 May, 2010A00602