Saddam Hussein Fadhil Almudhady

6 Questions 10 Answers 0 Followers

Questions related from Saddam Hussein Fadhil Almudhady

31P NMR relaxation time?

Why the relaxation times of different phosphorus species are vary? Is it accurate to use the direct integration of 31P NMR spectrum for calculating the conversion percentage? Can anyone help me...

26 April 2017 234 7 View

Why the reduction peaks get shifting and overlapping with increasing the scan rate?

I am studying the electrochemical behaviour of an organic compound, using cyclic voltammetry at glassy carbon in acetonitrile as a solvent, which undergoes two subsequence reduction processes....

02 June 2016 5,471 1 View

How to calculate the flow rate?

I am wondering how to calculate an optimum flow rate depending on the dimensions of the column in RP-HPLC?

27 May 2016 8,478 3 View

How to re-operate a fouled column?

I developed a RP-HPLC method to separate five compounds (diphenyl iodonium triflate, triphnyl phosphine, triphenyl phosphine oxide, tetraphenylphosphonium tirflate, and iodobenzene) at...

18 April 2016 6,632 5 View

Nafion as a binder?

It is possible to use Nafion as a binder to tightly deposit nanoparticles, activated carbon for instance, onto a glassy carbon working electrode (modifying it) to be used for electrochemical...

24 March 2016 1,499 4 View

Who to properly use PTFE for binding activated carbon to glassy carbon electrode?

I am trying to modify my glassy carbon with activated carbon using polytetrafluoroethylene (PTFE) as a binder. I am usually using PTFE at concentration of 0.1%, anyone thinks that this...

11 December 2015 3,948 5 View