Identification and quantification of carbonyl-containing α-pinene ozonolysis products using O-tert-butylhydroxylamine hydrochloride

Details

• Alternative Title:
  J Atmos Chem
• Personal Author:
  Jackson, Stephen R. ; Ham, Jason E. ; Harrison, Joel C. ; Wells, J. R.
• Description:
  The yields of carbonyl-containing reaction products from the ozonolysis of α-pinene have been investigated using concentrations of ozone found in the indoor environment ([O|] ≤ 100 ppb). An impinger was used to collect gas-phase oxidation products in water, where the derivatization agent |-tert-butylhydroxylamine hydrochloride (TBOX) and gas chromatography-mass spectrometry were used to identify carbonyl-containing species. Seven carbonyl-containing products were observed. The yield of the primary product, pinonaldehyde was measured to be 76 %. Using cyclohexane as a hydroxyl radical (OH) scavenger, the yield of pinonaldehyde decreased to 46 %, indicating the influence secondary OH radicals have on α-pinene ozonolysis products. Furthermore, the use of TBOX, a small molecular weight derivatization agent, allowed for the acquisition of the first mass spectral data of oxopinonaldehyde, a tricarbonyl reaction product of α-pinene ozonolysis. The techniques described herein allow for an effective method for the collection and identification of terpene oxidation products in the indoor environment.
• Subjects:
  Article Derivatization Ozonolysis Reaction Products Sampling Terpene α-Pinene
• Source:
  J Atmos Chem. 74(3):325-338
• Pubmed ID:
  28701805
• Pubmed Central ID:
  PMC5502832
• Document Type:
  Journal Article
• Funding:
  CC999999/Intramural CDC HHS/United States
• Volume:
  74
• Issue:
  3
• Collection(s):
  CDC Public Access
• Main Document Checksum:
  urn:sha256:307a0de6b403cae2219505eb836bc86e218908a6768a62df5cc36cbbd9e214c7
• Download URL:
  https://stacks.cdc.gov/view/cdc/46814/cdc_46814_DS1.pdf
• File Type:
  [PDF - 620.40 KB ]