22 Questions 25 Answers 0 Followers
Questions related from Felipe Hernández-Luis
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?
12 December 2018 9,440 4 View
Are there "non-toxic" ionic liquids that increase the solubility of paracetamol, ibuprofen, etc. with respect to water, at 25-40 ºC but in a "safe for health" manner?
12 December 2018 5,523 0 View
The project seems interesting. What kind of electrodes is it? If I find a bibliography on the subject, I will gladly send it to you. Good luck.
10 October 2018 7,214 0 View
Just as in a solvent mixture it has a dielectric constant according to the molar fraction x of the components (measured or obtained by means of an average with a mixing rule), is it possible to do...
09 September 2018 7,577 5 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...
09 September 2018 2,062 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...
07 July 2018 3,213 7 View
What is the relationship between solubility, ionic association and solvation of an electrolyte in a mixed medium and how does it vary with the increase or decrease of the dielectric constant...
07 July 2018 847 0 View
What is the relationship between solubility, ionic association and solvation of an electrolyte in a mixed medium and how does it vary with the increase or decrease of the dielectric constant of...
07 July 2018 4,363 0 View
06 June 2018 445 7 View
I need make an selective electrode and I used NITRON. To buy is very spensive.
02 February 2018 9,024 2 View
When performing a chromatogram of the same sample of water stored for months in plastic or glass bottles there are appreciable differences? What is due?
11 November 2017 7,966 3 View
Why so much difference of solubility? The properties of the sodium halides studied are well known. Perhaps the most significant difference is their solubility in water at 298.15 K (0.983 mol...
10 October 2017 3,640 1 View
The properties of the sodium halides studied are well known. Perhaps the most significant difference is their solubility in water at 298.15 K (0.983 mol kg-1 for NaF, 6.146 mol kg-1 for NaCl,...
10 October 2017 8,265 0 View
Why when we satured with KF solutions to 20, 40, 60 and 80% of formamide in water is there a strong smell of ammonia? Not so when we satured with KCl, KBr and KI.
03 March 2017 8,711 4 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...
02 February 2015 10,052 7 View
Briefly, what is this wonderful method to remove fluoride from water by electrochemical methods? Can you give me more information. 6-8 ppm is still a considerable amount!
01 January 1970 2,712 4 View
Would how measured potentiometrically with ISE sodium in presence of potassium or potassium in the presence of sodium?
01 January 1970 1,066 0 View
I've searched the literature and I find none.
01 January 1970 1,079 4 View
What are more recent, precise and accurate data for solubility of KF, KCl, KBr and KI in N-methylformamide at 298.15 K?
01 January 1970 7,537 0 View
What are more recent, precise and accurate data for solubility of KF, KCl, KBr and KI in water at 298.15 K?
01 January 1970 463 0 View
I am collecting data properties of mixtures of amide-water at 298.15 K. Amides are formamide, N-Methylformamida, N-Methylacetamide and N, N-Dimethylformamide. The properties are Excess Molar Gibbs...
01 January 1970 8,710 0 View
To which physico-chemical properties are referring? Do work at various temperatures?
01 January 1970 8,759 3 View
