I'm looking for N-substition reactions of carbazole, does anyone have any tips for these in order to get efficent yield and simple synthesis protocol?

I want to synthesize N-phenyl Carbazole

31 December 2017 6,880 6 View

How to remove chloramine T?

06 July 2016 881 3 View

Solvent-accissable void volume?

How can I calculate void space volume using palton?

31 December 2015 7,590 0 View

On the basis of the 1H NMR spectrum, how to estimate that he quantity of absorbed solvent?

09 October 2015 5,069 0 View

What are other causes of red shift in fluorescence spectra of chromophore apart from pi-pi stacking?

My sample contains anthracene derivative with a solvent means solvate, I have done SXRD there is no such pi--pi stacking but it showed red shift don't know how to explain. if someone have...

05 June 2015 502 7 View

What is structure factor or Rietveld data file in CIF format?

I want to submit paper to one of willey journal, I successfully upload Cif then the system asked me to upload structure factor or Rietveld data file in CIF format. I don't know that. Need help

05 June 2015 3,071 0 View

Can someone suggest a book about basics of crystallography?

Can someone suggest me or share here book about basics of crystallography. I don't have major in crystallography.

03 April 2015 4,470 10 View

Can anyone help me how to describe the SEM image?

I have done SEM analysis for my crystal, don't know how to describe it and which image should I put in paper. Thanks

03 April 2015 4,134 5 View

Why the fluorophore has a larger dipole moment in the excited state?

Can anyone tell me

01 February 2015 426 4 View

How to calculate void space volume of unit cell using Platon?

Does anyone knows

01 February 2015 7,682 0 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View