Quick Simultaneous Determination of NMP and DMAC in Synthetic Fibers by Py-GC-MS using a Thermal Desorption Function

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Eun Kyung Choe
Eun Kyung Choe
2
Kwang Seo Park
Kwang Seo Park
3
Moon Hwan Song
Moon Hwan Song
4
Young Dal Cho
Young Dal Cho
1 Korea Institute of Industrial Technology

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Quick Simultaneous Determination of NMP and DMAC in Synthetic Fibers by Py-GC-MS using a Thermal Desorption Function Banner
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The simultaneous analyses of NMP and DMAc in synthetic fibers that have been regulated recently due to their human hazard properties were studied by both a conventional GC-MS method and a thermal desorption(TD)-GC-MS method that uses Py-GC-MS instrument using the thermal desorption function. Method validation characteristics such as linearity, precision of peak area and retention time, limit of quantification on their determination using a new TD-GC-MS method were found to be acceptable according to the well-recognized method validation guidelines and the current regulation limit. Recovery ratios of DMAc from the spiked synthetic fibers were estimated to be 95.2% to 97.1% with Soxhlet extraction using methanol as measured by GC-MS. Residual amounts of NMP and DMAc in commercial meta-aramid, polyester, and spandex fibers were measured by and GC-MS and TD-GC-MS, respectively and showed a good correlation between two methods with the ratio of 85.5% to 119%. Results of this study suggested that the TD-GC-MS analysis can provide both a good screening and a quick determination of NMP and DMAc in synthetic fibers without any solvent extraction of fiber samples that is a routine and time consuming pretreatment in the conventional GC-MS analysis.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Eun Kyung Choe. 2016. \u201cQuick Simultaneous Determination of NMP and DMAC in Synthetic Fibers by Py-GC-MS using a Thermal Desorption Function\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 16 (GJSFR Volume 16 Issue B1): .

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GJSFR Volume 16 Issue B1
Pg. 17- 23
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-B Classification: FOR Code: 030699
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v1.2

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March 1, 2016

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English

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The simultaneous analyses of NMP and DMAc in synthetic fibers that have been regulated recently due to their human hazard properties were studied by both a conventional GC-MS method and a thermal desorption(TD)-GC-MS method that uses Py-GC-MS instrument using the thermal desorption function. Method validation characteristics such as linearity, precision of peak area and retention time, limit of quantification on their determination using a new TD-GC-MS method were found to be acceptable according to the well-recognized method validation guidelines and the current regulation limit. Recovery ratios of DMAc from the spiked synthetic fibers were estimated to be 95.2% to 97.1% with Soxhlet extraction using methanol as measured by GC-MS. Residual amounts of NMP and DMAc in commercial meta-aramid, polyester, and spandex fibers were measured by and GC-MS and TD-GC-MS, respectively and showed a good correlation between two methods with the ratio of 85.5% to 119%. Results of this study suggested that the TD-GC-MS analysis can provide both a good screening and a quick determination of NMP and DMAc in synthetic fibers without any solvent extraction of fiber samples that is a routine and time consuming pretreatment in the conventional GC-MS analysis.

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Quick Simultaneous Determination of NMP and DMAC in Synthetic Fibers by Py-GC-MS using a Thermal Desorption Function

Kwang Seo Park
Kwang Seo Park
Moon Hwan Song
Moon Hwan Song
Young Dal Cho
Young Dal Cho
Eun Kyung Choe
Eun Kyung Choe Korea Institute of Industrial Technology

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