Differentiating Nylons Using Direct Analysis in Real Time Coupled to an AccuTOF Time-of-Flight Mass Spectrometer

被引：12

作者：

Zughaibi, Torki A. ^{[1
,2
]}

Steiner, Robert R. ^{[3
]}

机构：

[1] King Abdulaziz Univ, Fac Appl Med Sci, Dept Med Lab Technol, Jeddah 21589, Saudi Arabia

[2] King Abdulaziz Univ, King Fahad Med Res Ctr, Jeddah 21589, Saudi Arabia

[3] Virginia Dept Forens Sci, Richmond, VA USA

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 2020年 / 31卷 / 04期

关键词：

direct analysis in real time; time-of-flight; mass spectrometry; polymer; nylon;

D O I：

10.1021/jasms.0c00051

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Nylons are chemically synthesized polymers that are used in a variety of ways. This study differentiates multiple nylon types using direct analysis in real time (DART) coupled with an orthogonal-acceleration time-of-flight (oaTOF) mass spectrometer (MS). Seven closely related nylon standards were studied. A DART helium gas temperature of 275 degrees C was chosen as an optimum for the analysis of nylons. Use of collision induced dissociation (CID) to induce fragmentation increased the power of discrimination. All seven nylon standards were successfully differentiated and identified using DART-MS.

引用

页码：982 / 985

页数：4

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