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Statistical student's t-test in carbon nanospheres synthesis from cis-1,4-polyisoprene

Published online by Cambridge University Press:  28 October 2020

Jaime A. Guzmán-Fuentes
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Ingeniería Mecánica, México.
José J. Contreras-Navarrete
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Morelia, División de Estudios de Posgrado e Investigación, México.
Erasmo Cadenas-Calderón
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Ingeniería Mecánica, México.
Jael M. Ambriz-Torres
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Morelia, División de Estudios de Posgrado e Investigación, México.
Diana L. García-Ruíz
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Ingeniería Mecánica, México.
Carmen J. Gutiérrez-García
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Ingeniería Mecánica, México.
Francisco G. Granados-Martínez
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Campus Morelia, México.
Leandro García-González
Affiliation:
Centro de Investigación en Micro y Nanotecnología, Universidad Veracruzana, México.
Luis Zamora-Peredo
Affiliation:
Centro de Investigación en Micro y Nanotecnología, Universidad Veracruzana, México.
Yesenia Arredondo-León
Affiliation:
Escuela Nacional de Estudios Superiores, Universidad Nacional Autónoma de México, Campus Morelia, México.
Orlando Hernandez-Cristobal
Affiliation:
Escuela Nacional de Estudios Superiores, Universidad Nacional Autónoma de México, Campus Morelia, México.
Lada Domratcheva-Lvova*
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Ingeniería Mecánica, México.
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Abstract

A student's t-test was applied in carbon nanospheres synthesis from cis-1,4-polyisoprene considering the green chemical principles. The synthesis was carried out by Chemical Vapor Deposition method with a quartz tube reactor using an AISI 304 steel bar as catalyst. It was possible to obtain two types of different samples, one from the surface of the steel bar (catalyst) and another from the quartz tube surface (without catalyst) in the same experiment. Carbon spheres were observed in both samples by micrographs obtained by FESEM. The Raman and FTIR spectroscopies shown characteristic bands of this carbon structures (G and D). The results obtained by student's t-test proved a statistical significance between spheres means of samples collected from steel bar and quartz tube surface.

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Copyright
Copyright © The Author(s), 2020, published on behalf of Materials Research Society by Cambridge University Press

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