M. C. Fernández-Feal

Study of Metal Concentration in Lubricating Oil with Predictive Purposes

M. C. Fernández-Feal, M. L. Fernández-Feal, L. R. Sánchez-Fernández & J. R. Pérez-Prado · Current Journal of Applied Science and Technology · 2018

Aims: To determine the concentration of the metals present in a lubricating oil of mineral base, before, during and after its use in the engine of a truck, to know its variation for predictive purposes. Study Design: In the study, a truck was used in which the lubricating oil of...

Open access Research Article 10.9734/CJAST/2018/41472

Simultaneous Determination of Pb(II), Cu(II) and Ni(II) with MEDTA by Ultraviolet and Visible Derivative Spectrophotometry

M. C. Fernández-Feal, J. M. Castro-Romero & J. M. Fernández-Solís · Chemical Science International Journal · 2018

Aims: Since the end of the nineteenth century, when Werner proposed his theory of co-ordination, the study of metallic compounds has continued to attract the interest of researchers. The present work had as its aim to achieve simultaneous determination of Pb(II), Cu(II) and Ni(II...

Open access Research Article 10.9734/CSJI/2018/40983

Composition and Physical Properties of the Natural Gas Supplied for Domestic Use through the Distribution Network

M. C. Fernández-Feal, B. Sánchez-Fernández, L. R. Sánchez-Fernández & J. R. Pérez-Prado · Journal of Energy Research and Reviews · 2018

Aims: To assess the composition of the Natural Gas (NG) supplied for domestic consumption through the distribution network to correlate the physical properties linked to it were to be determined in order to investigate their fluctuations. Study Design:  The samples were analyzed...

Open access Research Article 10.9734/jenrr/2018/v1i19758