Atmospheric lifetime of fluorotelomer alcohols

DA Ellis; JW Martin; SA Mabury; MD Hurley; Mads Peter Sulbæk Andersen; TJ Wallington

doi:10.1021/es034136j

Atmospheric lifetime of fluorotelomer alcohols

DA Ellis, JW Martin, SA Mabury, MD Hurley, Mads Peter Sulbæk Andersen, TJ Wallington

Kemisk Institut

189 Citationer (Scopus)

Abstract

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.

Originalsprog	Udefineret/Ukendt
Tidsskrift	Environmental Science & Technology (Washington)
Vol/bind	37
Udgave nummer	17
Sider (fra-til)	3816-3820
Antal sider	5
ISSN	0013-936X
DOI	https://doi.org/10.1021/es034136j
Status	Udgivet - 1 sep. 2003

Adgang til dokumentet

10.1021/es034136j

Citationsformater

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title = "Atmospheric lifetime of fluorotelomer alcohols",

abstract = "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.",

author = "DA Ellis and JW Martin and SA Mabury and MD Hurley and Andersen, {Mads Peter Sulb{\ae}k} and TJ Wallington",

year = "2003",

month = sep,

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doi = "10.1021/es034136j",

language = "Udefineret/Ukendt",

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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

SN - 0013-936X

VL - 37

SP - 3816

EP - 3820

JO - Environmental Science & Technology

JF - Environmental Science & Technology

IS - 17

ER -