Is there any tutorial video to learn Phi program for magnetic data fitting ?

I have to learn the magnettic data fitting of variable temperature graphs and how to make input file to run this program? tutorial video give some more clear idea insted of literature to learn...

10 November 2018 3,053 0 View

How to isolate my desired product(metal complex) from the unreacted starting material (schiff base), if both have the same solubility?

column chromatography is not possible here because of chance of degradation through hydrolysis and washing also not possible because of same solubility.how can i isolate them and to get my desired...

06 July 2017 6,679 9 View

I have these two variable T magnetic susceptibility graph, in both of them around 50 K ,one hump is coming , can u please explain the reason ?

Please find the file attached.

01 February 2017 7,860 5 View

How the nature of the sample(Solid or liquid) affect the ESR spectra. i have this doubt . please explain me ?

i just gone through this article , see the attachment

31 December 2016 5,365 0 View

How to isolate ligand from the metal complex?

i have prepared one manganese complex from N,N-bis(picolinyldene) hydrazine and 2-pyridinealdimine. in the absence of Mn(II) they do not react to yield the ligand. for more information i attached...

07 August 2016 5,682 4 View

Is sonication essential in solubility testing of a substance?

at the time of submitting samples for NMR or HRMS, we should confirm the solubility of compounds. Sometimes a compound is soluble in just adding the solvent and sometimes using sonication, it...

07 August 2016 4,225 3 View

How to calculate the balance calibration constant for magnetic susceptibility balance ?

07 August 2016 4,265 3 View

How to synthesize metal free macro cyclic Schiff base ligands ?

07 August 2016 8,907 4 View

Does anyone know about the synthetic procedure for 2,6-Diformyl-4-methylthiophenol ?

Dear Sir/Madam, Does anyone know about the synthetic procedure for 2,6-Diformyl-4-methylthiophenol ? I have gone through a no of literature to find the synthetic procedure to prepare this compound...

07 August 2016 344 6 View

Can we do column chromatography for the purification of metal complexs ?

06 July 2016 1,282 8 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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 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

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 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