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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2022, Volume 73, Issue 3, 1-13

https://doi.org/10.37358/RC.22.3.8530

Virgil Badescu

TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries

Abstract:

The aim of this article is the presentation of new user mass spectral libraries created based on unambiguous assigning of the mass spectra of the tetraethoxysilane (TEOS) oligomers and transesters obtained in the sol-gel process. Gas-chromatography coupled with mass spectrometry (GC-MS) was used to unambiguous identification the TEOS oligomers and transesters obtained in the hydrolysis, condensation and transesterification, reactions of tetraethoxysilane in parental solvent (EtOH) and nonparental solvents (MeOH and n-PrOH). The author’s procedure for the interpretation of mass spectra of silicon alkoxides was applied for TEOS, TEOS dimer, methoxy-transesters, and TEOS cyclic tetramer. GC and MS arguments for unambiguous assigning of TEOS oligomers and transesters in the sol-gel process were presented. Experimental B/E and B/E(1-E)1/2 linked scans, accurate mass at high resolution and M+1, M+2 isotopic effects, applied in previous works, were used as MS arguments. The NBS mass spectral library run under the RSX-11-PLUS operating system was used to create new mass spectral libraries. In this article are presented three user mass spectral libraries codified: TRANSME0 for methoxy-transesters, PROPOXY1 for propoxy-transesters in the histogram plot and tabular format and ICECHIM6 (first 12 entries in histogram plot format) for TEOS oligomers in the parental solvent.
Keywords:
TEOS oligomers and transesters; sol-gel process; GC-MS arguments; user mass spectral libraries

Issue: 2022, Volume 73, Issue 3
Pages: 1-13
Publication date: 2022/7/29
https://doi.org/10.37358/RC.22.3.8530
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This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
BADESCU, V., TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries, Rev. Chim., 73(3), 2022, 1-13.

Vancouver
Badescu V. TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries. Rev. Chim.[internet]. 2022 Mar;73(3):1-13. Available from: https://doi.org/10.37358/RC.22.3.8530


APA 6th edition
Badescu, V., (2022). TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries. Revista de Chimie, 73(3), 1-13. https://doi.org/10.37358/RC.22.3.8530


Harvard
Badescu, V., (2022). 'TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries', Revista de Chimie, 73(3), pp. 1-13. https://doi.org/10.37358/RC.22.3.8530


IEEE
V. Badescu, "TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries". Revista de Chimie, vol. 73, no. 3, pp. 1-13, 2022. [online]. https://doi.org/10.37358/RC.22.3.8530


Text
Virgil Badescu,
TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries,
Revista de Chimie,
Volume 73, Issue 3,
2022,
Pages 1-13,
ISSN 2668-8212,
https://doi.org/10.37358/RC.22.3.8530.
(https://revistadechimie.ro/Articles.asp?ID=8530)
Keywords: TEOS oligomers and transesters; sol-gel process; GC-MS arguments; user mass spectral libraries


RIS
TY - JOUR
T1 - TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries
A1 - Badescu, Virgil
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2022
VL - 73
IS - 3
SP - 1
EP - 13
UR - https://doi.org/10.37358/RC.22.3.8530
KW - TEOS oligomers and transesters
KW - sol-gel process
KW - GC-MS arguments
KW - user mass spectral libraries
ER -


BibTex
@article{RevCh2022P1,
author = {Badescu Virgil},
title = {TEOS Oligomers and Transesters Identified by GC-MS in the sol-gel Process. Operational Mass Spectral Libraries},
journal = {Revista de Chimie},
volume = {73},
number = {3},
pages = {1-13},
year = {2022},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.22.3.8530},
url = {https://revistadechimie.ro/Articles.asp?ID=8530}
}


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