Analysis of volatile organic compounds in water and soil samples by purge-and-membrane mass spectrometry

Risto Kostiainen, Tapio Kotiaho, Ismo Mattila, Timo Mansikka, Marja Ojala, Raimo Ketola

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Abstract

A new method, purge-and-membrane mass spectrometry (PAM MS), is introduced for the analysis of volatile organic compounds (VOCs) in water and soil samples. In this method, VOCs are purged from water or soil samples with an inert gas and the stream is directed through a sheet membrane module.
The VOCs pervaporate through the membrane directly into the ion source of a mass spectrometer. The limits of detection for nonpolar VOCs such as halogenated hydrocarbons, benzene, toluene, and xylenes were below micrograms per liter in water samples and at low micrograms per kilogram levels in soil samples.
The correlation coefficients measured for the compounds studied were typically better than 0.9999 and 0.9975 in water and soil samples, respectively.
The relative standard deviations were between 0.5 and 2.0% with water samples and between 4.8 and 14.0% with soil samples. These results demonstrate excellent linearity and repeatability.
PAM MS thus provides a highly sensitive, selective, accurate, solvent-free, and rapid analytical method.
Tens of samples can be analyzed reliably within 1 h.
Original languageEnglish
Pages (from-to)3028-3032
JournalAnalytical Chemistry
Volume70
Issue number14
DOIs
Publication statusPublished - 1998
MoE publication typeA1 Journal article-refereed

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Volatile Organic Compounds
Mass spectrometry
Membranes
Soils
Water
Halogenated Hydrocarbons
Noble Gases
Xylenes
Toluene
Mass spectrometers
Ion sources
Benzene

Cite this

Kostiainen, R., Kotiaho, T., Mattila, I., Mansikka, T., Ojala, M., & Ketola, R. (1998). Analysis of volatile organic compounds in water and soil samples by purge-and-membrane mass spectrometry. Analytical Chemistry, 70(14), 3028-3032. https://doi.org/10.1021/ac9709209
Kostiainen, Risto ; Kotiaho, Tapio ; Mattila, Ismo ; Mansikka, Timo ; Ojala, Marja ; Ketola, Raimo. / Analysis of volatile organic compounds in water and soil samples by purge-and-membrane mass spectrometry. In: Analytical Chemistry. 1998 ; Vol. 70, No. 14. pp. 3028-3032.
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abstract = "A new method, purge-and-membrane mass spectrometry (PAM MS), is introduced for the analysis of volatile organic compounds (VOCs) in water and soil samples. In this method, VOCs are purged from water or soil samples with an inert gas and the stream is directed through a sheet membrane module. The VOCs pervaporate through the membrane directly into the ion source of a mass spectrometer. The limits of detection for nonpolar VOCs such as halogenated hydrocarbons, benzene, toluene, and xylenes were below micrograms per liter in water samples and at low micrograms per kilogram levels in soil samples. The correlation coefficients measured for the compounds studied were typically better than 0.9999 and 0.9975 in water and soil samples, respectively. The relative standard deviations were between 0.5 and 2.0{\%} with water samples and between 4.8 and 14.0{\%} with soil samples. These results demonstrate excellent linearity and repeatability. PAM MS thus provides a highly sensitive, selective, accurate, solvent-free, and rapid analytical method. Tens of samples can be analyzed reliably within 1 h.",
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Kostiainen, R, Kotiaho, T, Mattila, I, Mansikka, T, Ojala, M & Ketola, R 1998, 'Analysis of volatile organic compounds in water and soil samples by purge-and-membrane mass spectrometry', Analytical Chemistry, vol. 70, no. 14, pp. 3028-3032. https://doi.org/10.1021/ac9709209

Analysis of volatile organic compounds in water and soil samples by purge-and-membrane mass spectrometry. / Kostiainen, Risto; Kotiaho, Tapio; Mattila, Ismo; Mansikka, Timo; Ojala, Marja; Ketola, Raimo.

In: Analytical Chemistry, Vol. 70, No. 14, 1998, p. 3028-3032.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Analysis of volatile organic compounds in water and soil samples by purge-and-membrane mass spectrometry

AU - Kostiainen, Risto

AU - Kotiaho, Tapio

AU - Mattila, Ismo

AU - Mansikka, Timo

AU - Ojala, Marja

AU - Ketola, Raimo

PY - 1998

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N2 - A new method, purge-and-membrane mass spectrometry (PAM MS), is introduced for the analysis of volatile organic compounds (VOCs) in water and soil samples. In this method, VOCs are purged from water or soil samples with an inert gas and the stream is directed through a sheet membrane module. The VOCs pervaporate through the membrane directly into the ion source of a mass spectrometer. The limits of detection for nonpolar VOCs such as halogenated hydrocarbons, benzene, toluene, and xylenes were below micrograms per liter in water samples and at low micrograms per kilogram levels in soil samples. The correlation coefficients measured for the compounds studied were typically better than 0.9999 and 0.9975 in water and soil samples, respectively. The relative standard deviations were between 0.5 and 2.0% with water samples and between 4.8 and 14.0% with soil samples. These results demonstrate excellent linearity and repeatability. PAM MS thus provides a highly sensitive, selective, accurate, solvent-free, and rapid analytical method. Tens of samples can be analyzed reliably within 1 h.

AB - A new method, purge-and-membrane mass spectrometry (PAM MS), is introduced for the analysis of volatile organic compounds (VOCs) in water and soil samples. In this method, VOCs are purged from water or soil samples with an inert gas and the stream is directed through a sheet membrane module. The VOCs pervaporate through the membrane directly into the ion source of a mass spectrometer. The limits of detection for nonpolar VOCs such as halogenated hydrocarbons, benzene, toluene, and xylenes were below micrograms per liter in water samples and at low micrograms per kilogram levels in soil samples. The correlation coefficients measured for the compounds studied were typically better than 0.9999 and 0.9975 in water and soil samples, respectively. The relative standard deviations were between 0.5 and 2.0% with water samples and between 4.8 and 14.0% with soil samples. These results demonstrate excellent linearity and repeatability. PAM MS thus provides a highly sensitive, selective, accurate, solvent-free, and rapid analytical method. Tens of samples can be analyzed reliably within 1 h.

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