Removing water from EMIM TFSI?

Hi There, I am trying to remove water from EMIM TFSI, I need to do electrochemistry on the ionic liquid afterward, so I need it very pure. I want to try using vacuum heating. What temperature and...

11 December 2019 5,975 4 View

How to image colloidal particles on graphene using AFM?

Hi Everybody, I have emulsion adsorbed on graphene surface and would like to get an image using AFM showing both graphene and emulsions. some of my emulsion sizes are 80 nm in diameter, and some...

02 March 2019 4,266 4 View

How can I find the intensity of emitted light in Fluorescence spectroscopy?

Hi There, I am trying to use the bear Lambert law for fluorescence spec of my sample. in the equation I is the intensity of excitation light, I do not know how to find the value of I from my...

10 November 2018 5,864 3 View

How do i measure the voltage window of grassy carbon in ionic liquid?

Hi There, I am using glassy carbon as working electrode and EMIM TFSA as electrolyte, with Pt wire as counter electrode and Ag/AgCl as reference electrode. The CV that I get is really wired. I...

10 November 2018 9,895 4 View

Does anyone know how I can test the adsorption of emulsion on rGO surface?

Hi everybody, I want to test the adsorption on emulsion on my reduced graphene oxide surface. I was wondering what method I should be using. I have some reduced graphene oxide that I chemically...

10 November 2018 3,138 5 View

How do i cite a work done by my college in the lab but not published yet?

i am creating a document that requires a picture from the work my college done but has not published it yet How can I cite the work?

01 January 1970 7,892 3 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

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

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 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

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View