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Questions related from Felipe Hernández-Luis
Is there a direct and simple relationship between the solubility of a salt and the dielectric constant of the solvent or solvent mixture in which the salt is to be solubilised? For example: the...
22 March 2024 2,281 2 View
Are there "non-toxic" ionic liquids that increase the solubility of paracetamol, ibuprofeno, etc. with respect to water, at 25-40 ºC but in a "safe for health" manner?
17 December 2018 5,099 3 View
I'm directing an end-of-degree paper for Pharmacy. It is a question of mobilizing by the electrokinetic process of some dyes and drugs present in natural soils (perfectly characterized). The...
03 September 2018 429 1 View
I'm directing some end-of-degree work in pharmacy. It is a question of mobilizing by the electrokinetic process of some dyes. The experiment in its development is simple except in the "analytical...
18 July 2018 2,713 0 View
I will put my question in a simpler way with an example. The solubility of NaCl in pure water at 25ºC is approximately 6.14 moles/L. I try to dissolve NaCl at 25ºC in equimolar mixtures (suppose...
13 July 2018 2,963 20 View
The Canary Islands are one of the regions of Spain with the most hours of sunshine per day. However, lately a significant vitamin D deficiency has been observed. Some proposed causes may be: -...
27 June 2018 5,948 28 View
In a Laboratory Practice we teach students how to determine the Critical Micellar Concentration (CMC) of surfactant substances using conductivity measurements. So far we have only used sodium...
17 June 2018 8,419 10 View
A low consumption of K+ and high of Na+ is apparently related to high blood pressure, a chronic illness with high mortality and prevalence in Canary Islands.
22 May 2018 5,168 11 View
Why in solutions of NaI in some solvent (formamide, N-methilformamide or N-methilacetamide pure on in aqueous mixtures) forms a yellowish color with the passage of time? I have tried to make...
23 February 2015 4,486 6 View
Dear Prof. Mathlouthi, This is the last time we contacted each other (14 years ago!). You probably no longer have the same email. I hope you are well and I don't know if you are retired or "still...
01 January 1970 4,558 0 View
