Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Johnbrynner García"'
Autor:
Felipe Rico, Angela Mazabel, Greciel Egurrola, Juanita Pulido, Nelson Barrios, Ronald Marquez, Johnbrynner García
Publikováno v:
Cosmetics, Vol 11, Iss 1, p 1 (2023)
The ever-evolving cosmetic industry requires advanced analytical techniques to explore, understand, and optimize product performance at nano, micro, and macroscopic levels. Nowadays, these insights are crucial for translating microstructure behavior
Externí odkaz:
https://doaj.org/article/c1c1f019d8ca47bdbd64b1150d988b4b
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2021 (2021)
A fast and simple method for the extraction and Flame Atomic Absorption Spectroscopy (FAAS) quantification of ZnO in different cosmetic matrices, including lipsticks, water-in-oil foundations, and oil-in-water creams, was developed and validated, acc
Externí odkaz:
https://doaj.org/article/99e6d21a3aa04f0aac0dd5d1bda85907
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2021 (2021)
Most of the pharmaceutical and cosmetic products used for the treatment of dandruff have zinc pyrithione as an active ingredient; therefore; quantifying this component becomes necessary. The purpose of this study was the validation of two simple and
Externí odkaz:
https://doaj.org/article/c54f40293884414bad710868c7cb7ba6
Publikováno v:
Revista Colombiana de Química, Vol 34, Iss 2, Pp 201-209 (2008)
En el estudio de la cuantificación de carbono orgánico en suelos por el método Walkley-Black se compararon dos técnicas de análisis (colorimetría y volumetría) con el fin de evaluar los parámetros de calidad y así indicar la técnica más co
Externí odkaz:
https://doaj.org/article/ca8ea616cae44b69a3d415166fdf66a2
Publikováno v:
Revista Colombiana de Química, Vol 35, Iss 1, Pp 81-89 (2008)
En la actualidad existen varios procedimientos para la determinación de fósforo disponible en suelos, en donde el fósforo es cuantificado por métodos colorimétricos por medio del desarrollo de un complejo coloreado azul (ácido fosfomolíbdico);
Externí odkaz:
https://doaj.org/article/e31ca6625e8e4755bd9a4f62077857e4
In this work, eight commercial eyelashes mascaras were stored during 15 days at 50°C and a correlation between visually perceived separations over time and the thermal behavior of the waxes present within each product was observed. It was found that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=intech______::cba8e3ce0c42d8629fab40cc0f1b018f
https://mts.intechopen.com/articles/show/title/thermal-behavior-of-waxes-and-its-correlation-with-mascara-stability-tests-a-dsc-study
https://mts.intechopen.com/articles/show/title/thermal-behavior-of-waxes-and-its-correlation-with-mascara-stability-tests-a-dsc-study
Autor:
Cristian, Rosales, Johnbrynner, García
A new method for extraction of titanium dioxide (TiO2) from cosmetic matrices using borate salts for its quantification by flame atomic absorption spectroscopy (FAAS) was developed and validated. Following International Commission for Harmonization (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=intech______::0f89860c23e80270dc34f4eb0ab09b51
https://mts.intechopen.com/articles/show/title/a-novel-method-for-titanium-dioxide-quantification-in-cosmetic-products-via-borate-fusion-by-flame-a
https://mts.intechopen.com/articles/show/title/a-novel-method-for-titanium-dioxide-quantification-in-cosmetic-products-via-borate-fusion-by-flame-a
Publikováno v:
Journal of Analytical Methods in Chemistry
Journal of Analytical Methods in Chemistry, Vol 2021 (2021)
Journal of Analytical Methods in Chemistry, Vol 2021 (2021)
A fast and simple method for the extraction and Flame Atomic Absorption Spectroscopy (FAAS) quantification of ZnO in different cosmetic matrices, including lipsticks, water-in-oil foundations, and oil-in-water creams, was developed and validated, acc
Publikováno v:
Color Research & Application. 46:821-829
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2021 (2021)
Journal of Analytical Methods in Chemistry
Journal of Analytical Methods in Chemistry
Most of the pharmaceutical and cosmetic products used for the treatment of dandruff have zinc pyrithione as an active ingredient; therefore; quantifying this component becomes necessary. The purpose of this study was the validation of two simple and