Carbon and chlorine isotope fractionation of chlorinated aliphatic hydrocarbons by evaporation

L. Huang; N. C. Sturchio; Teofilo Abrajano; L. J. Heraty; B. D. Holt

doi:10.1016/S0146-6380(99)00060-1

Carbon and chlorine isotope fractionation of chlorinated aliphatic hydrocarbons by evaporation

L. Huang^*, N. C. Sturchio, Teofilo Abrajano, L. J. Heraty, B. D. Holt

^*Corresponding author for this work

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Abstract

Two pure solvents (trichloroethene and dichloromethane) were evaporated at room temperature (24 ± 1°C). The carbon and chlorine isotopic compositions of the residual solvents were measured as a function of the fraction remaining. Isotopic fractionation factors (α) derived from these experimental results are 1 00031 ± 0.00004 for C and 0.99818 ± 0 00022 for Cl in trichloroethene, and 1.00065 ± 0.00002 for C and 0.99952 ± 0.00006 for Cl in dichloromethane. The negative correlation between δ¹³C and δ³⁷Cl values caused by evaporation of chlorinated aliphatic hydrocarbons can be used to distinguish evaporation from biodegradation in contaminated systems.

Original language	English (US)
Pages (from-to)	777-785
Number of pages	9
Journal	Organic Geochemistry
Volume	30
Issue number	8 A
DOIs	https://doi.org/10.1016/S0146-6380(99)00060-1
State	Published - Aug 1 1999

ASJC Scopus subject areas

Geochemistry and Petrology

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title = "Carbon and chlorine isotope fractionation of chlorinated aliphatic hydrocarbons by evaporation",

abstract = "Two pure solvents (trichloroethene and dichloromethane) were evaporated at room temperature (24 ± 1°C). The carbon and chlorine isotopic compositions of the residual solvents were measured as a function of the fraction remaining. Isotopic fractionation factors (α) derived from these experimental results are 1 00031 ± 0.00004 for C and 0.99818 ± 0 00022 for Cl in trichloroethene, and 1.00065 ± 0.00002 for C and 0.99952 ± 0.00006 for Cl in dichloromethane. The negative correlation between δ13C and δ37Cl values caused by evaporation of chlorinated aliphatic hydrocarbons can be used to distinguish evaporation from biodegradation in contaminated systems.",

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T1 - Carbon and chlorine isotope fractionation of chlorinated aliphatic hydrocarbons by evaporation

AU - Huang, L.

AU - Sturchio, N. C.

AU - Abrajano, Teofilo

AU - Heraty, L. J.

AU - Holt, B. D.

PY - 1999/8/1

Y1 - 1999/8/1

N2 - Two pure solvents (trichloroethene and dichloromethane) were evaporated at room temperature (24 ± 1°C). The carbon and chlorine isotopic compositions of the residual solvents were measured as a function of the fraction remaining. Isotopic fractionation factors (α) derived from these experimental results are 1 00031 ± 0.00004 for C and 0.99818 ± 0 00022 for Cl in trichloroethene, and 1.00065 ± 0.00002 for C and 0.99952 ± 0.00006 for Cl in dichloromethane. The negative correlation between δ13C and δ37Cl values caused by evaporation of chlorinated aliphatic hydrocarbons can be used to distinguish evaporation from biodegradation in contaminated systems.

AB - Two pure solvents (trichloroethene and dichloromethane) were evaporated at room temperature (24 ± 1°C). The carbon and chlorine isotopic compositions of the residual solvents were measured as a function of the fraction remaining. Isotopic fractionation factors (α) derived from these experimental results are 1 00031 ± 0.00004 for C and 0.99818 ± 0 00022 for Cl in trichloroethene, and 1.00065 ± 0.00002 for C and 0.99952 ± 0.00006 for Cl in dichloromethane. The negative correlation between δ13C and δ37Cl values caused by evaporation of chlorinated aliphatic hydrocarbons can be used to distinguish evaporation from biodegradation in contaminated systems.

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U2 - 10.1016/S0146-6380(99)00060-1

DO - 10.1016/S0146-6380(99)00060-1

M3 - Article

AN - SCOPUS:0032857605

SN - 0146-6380

VL - 30

SP - 777

EP - 785

JO - Organic Geochemistry

JF - Organic Geochemistry

IS - 8 A

ER -

Carbon and chlorine isotope fractionation of chlorinated aliphatic hydrocarbons by evaporation

Abstract

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