Investigation of terpinolene + ozone or terpinolene + nitrate radical reaction products using denuder/filter apparatus

Terpinolene's (1-methyl-4-(propan-2-ylidene)cyclohexene) reaction with ozone or the nitrate radical was investigated using a denuder/filter apparatus in order to characterize gas-phase and particulate reaction products. Identification of the reaction products (i.e., aldehydes, ketones, dicarbon...

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Bibliographic Details
Published in:Atmospheric environment (1994) Vol. 80; pp. 524 - 532
Main Authors: Harrison, Joel C., Wells, J.R.
Format: Journal Article
Language:English
Published: Kidlington Elsevier Ltd 01.12.2013
Elsevier
Subjects:
aldehydes
Applied sciences
atmospheric chemistry
Atmospheric pollution
Buildings. Public works
carboxylic acids
cyclohexenes
Denuder
derivatization
Exact sciences and technology
Indoor pollution and occupational exposure
ketones
Nitrate radical
nitrates
Oxygenated organic compounds
Ozone
ozonolysis
Pollution
Pollution indoor buildings
Reaction products
terpinolene
Reaction products
Oxygenated organic compounds
Ozone
Nitrate radical
Denuder
Terpenoid
Photochemical oxidants
Chemical analysis
Hydrocarbon
Pollutant behavior
Reaction product
Volatile organic compound
Nitrates
Precursor
Terpene
Indoor pollution
Monoterpene
Qualitative analysis
Oxidation
Organic compounds
Inorganic radical anion
ISSN:1352-2310, 1873-2844
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Summary:Terpinolene's (1-methyl-4-(propan-2-ylidene)cyclohexene) reaction with ozone or the nitrate radical was investigated using a denuder/filter apparatus in order to characterize gas-phase and particulate reaction products. Identification of the reaction products (i.e., aldehydes, ketones, dicarbonyls and carboxylic acids) was made using two derivatization methods; O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine (PFBHA) to derivatize the carbonyl products or 3-Ethyl-1-[3-(dimethylamino)propyl]carbodiimide hydrochloride (EDC) and 2,2,2-trifluoroethylamine hydrochloride (TFEA) to derivatize the carboxylic acid products. Proposed carbonyl products for ozonolysis of terpinolene are: 4-methylcyclohex-3-en-1-one, 2-hydroxy-4-methylcyclohex-3-en-1-one, glyoxal, methyl glyoxal, 3-oxobutanal, and 6-oxo-3-(propan-2-ylidene)heptanal. Proposed carbonyl products for nitrate radical reaction of terpinolene are: 2-hydroxy-4-methylcyclohex-3-en-1-one, glyoxal, methyl glyoxal, and 4-oxopentanal. No carboxylic acid products were detected with either oxidizing reactant. •Determined and contrasted the products of the reaction of terpinolene with ozone or nitrate radical.•Products captured using a denuder/filter apparatus.•Reaction products identified using a dual derivatization method.
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ISSN:1352-2310
1873-2844
DOI:10.1016/j.atmosenv.2013.08.032