How it is possible to obtain the hydroxyl- and aminosubstituted tryphenylphosphines?

10 October 2017 0 6K Report

We have plans to obtain stable acridinic iminophosphoranes, to be used as monomers and electrode modifiers. How is it possible to insert hydroxyl- or aminogroup to tryphenylphosphine phenyl rings. Thank you!

Badges
Science topic

More Volodymyr Tkach's questions See All

Synthesis of 6-chlorophenanthridine?

We have plans to prepare some dyes and electrode modifiers, possessing phenanthridine moieties. How can we get the 6-chlorophenanthridine (in European numeration, 9-chlorophenanthridine)?

03 April 2018 8,089 1 View

Synthesis of fumigatin?

We pretend to use fumigatin as electrode modifier for analysius. Is there any work regarding the synthesis of this compound, basing on the γ-hydroquinonic compounds?

02 March 2018 5,260 0 View

How it is possible to obtaine 1,2-benzenedisulfonic acid?

We pretend to obtain a serie of anticorrosive derivatives of 1,2-benzenedisulfonimide. But we pretend to obtain benzenedisulfonic acid first. How is it possible:

31 December 2017 6,242 0 View

Are there some publications, related to the electroanalytical use of vanadium (III) oxyhydroxide - VOOH?

VOOH is a compound, which tends to exist. Moreover, it may represent flexible redox properties, so, theoretically, it could be used as electrode modifier. Are there publications, related to this...

09 October 2017 9,491 1 View

How is it possible to access the articles of Gazzetta Chimica Italiana, dated by 1916?

I´m looking for an article, known as a first report of pyrrole polymerization. It has been published in Gaz. Chim. Ital. in 1916. How can I find it?

09 October 2017 1,812 5 View

3,4-dymethylpyrrole synthesis?

We pretend to use 3-4-dymethylpyrrole as a monomer for conducting polymer. Nevertheless, we haven´t found any reference, concerning its synthesis and(or) polymerization. Do you have any...

05 June 2017 8,783 3 View

Quitosane - CoO(OH) hybrid composites?

Is there a literature, concerning CoO(OH)-quitosane hybrid composites?

04 May 2017 6,416 2 View

Does ResearchGate support .pub format?

I´ve got a corrected proof in a .pub format, but I don´t know if RG supports it.

03 April 2017 7,838 0 View

Saccharin sodium as an electrode modifier for electrochemical analysis?

I have an idea of using saccharin sodium as an electrode modifier for some organic halogene-derivatives. Nevertheless, I´ve found no literature describing this possibility. Is it viable to use...

02 March 2017 5,372 2 View

Sudan dyes as monomers for CP?

Is there a technique, describing a conducting polymer synthesis, using Sudan dyes as monomers? What conditions are to be used for Sudan dyes electropolymerization?

01 February 2017 3,597 0 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

How to find a reaction is reversible or irreversible in CV? How to know the number of electrons transfer?

My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...

30 July 2024 4,671 3 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Why do these abnormal charge/discharge curves of coin cell batteries appear?

As shown in the figures, there are several abnormal charge/discharge curves.Each of them may have different problems. I am curious why these situations appeared differently?There are a lot of...

24 July 2024 6,930 1 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

I obtain two plateu instead of one in LFP cathode assembled with graphite anode in 1M LiTFSI in DOL/DME, what does this mean?

I have attached the charging curve from the battery tester for review. I need help on what is happening

21 July 2024 6,898 2 View

I am working on III-V based tandem solar cells.Can anyone explain that solar cells work under forward or reverse biased conditions?

I want to know that n-doped side of solar cell is connected with positive or negative electrode.

20 July 2024 1,348 2 View