Atmospheric lifetime of fluorotelomer alcohols
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Atmospheric lifetime of fluorotelomer alcohols. / Ellis, DA; Martin, JW; Mabury, SA; Hurley, MD; Andersen, Mads Peter Sulbæk; Wallington, TJ.
In: Environmental Science & Technology (Washington), Vol. 37, No. 17, 01.09.2003, p. 3816-3820.Research output: Contribution to journal › Journal article › peer-review
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TY - JOUR
T1 - Atmospheric lifetime of fluorotelomer alcohols
AU - Ellis, DA
AU - Martin, JW
AU - Mabury, SA
AU - Hurley, MD
AU - Andersen, Mads Peter Sulbæk
AU - Wallington, TJ
PY - 2003/9/1
Y1 - 2003/9/1
N2 - Relative rate techniques were used to study the kinetics of the reactions of Cl atoms and OH radicals with a series of fluorotelomer alcohols, F(CF2CF2)(n)-CH2CH2OH (n = 2, 3, 4), in 700 Torr of N-2 or air, diluent at 296 +/- 2K. The length of the F(CF2CF2)(n)- group had no discernible impact on the reactivity of the molecule. For n = 2, 3, or 4, k(Cl + F(CF2CF2)(n)CH2CH2OH) = (1.61 +/- 0.49) x 10(-11) and k(OH + F(CF2CF2)(n)CH2CH2OH) = (1.07 +/- 0.22) x 10(-12) cm(3) molecule(-1) s(-1). Consideration of the likely rates of other possible atmospheric loss mechanisms leads to the conclusion that the atmospheric lifetime of F(CF2CF2)(n)CH2CH2OH (n greater than or equal to 2) is determined by reaction with OH radicals and is approximately 20 d.
AB - Relative rate techniques were used to study the kinetics of the reactions of Cl atoms and OH radicals with a series of fluorotelomer alcohols, F(CF2CF2)(n)-CH2CH2OH (n = 2, 3, 4), in 700 Torr of N-2 or air, diluent at 296 +/- 2K. The length of the F(CF2CF2)(n)- group had no discernible impact on the reactivity of the molecule. For n = 2, 3, or 4, k(Cl + F(CF2CF2)(n)CH2CH2OH) = (1.61 +/- 0.49) x 10(-11) and k(OH + F(CF2CF2)(n)CH2CH2OH) = (1.07 +/- 0.22) x 10(-12) cm(3) molecule(-1) s(-1). Consideration of the likely rates of other possible atmospheric loss mechanisms leads to the conclusion that the atmospheric lifetime of F(CF2CF2)(n)CH2CH2OH (n greater than or equal to 2) is determined by reaction with OH radicals and is approximately 20 d.
U2 - 10.1021/es034136j
DO - 10.1021/es034136j
M3 - Tidsskriftartikel
VL - 37
SP - 3816
EP - 3820
JO - Environmental Science & Technology
JF - Environmental Science & Technology
SN - 0013-936X
IS - 17
ER -
ID: 44568489