What is dipolar aprotic solvents? Does anbody have list of dipolar aprotic solvents

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How can I functionalize graphene with Di amine?

I want to functionalize graphene with di ammine.

09 October 2015 7,160 2 View

What are the necessary considerations, during functionalization of Graphene?

What is the optimum temperature, Why refluxing is important?

08 September 2015 6,813 3 View

How can I find the proper concentration of graphene during synthesis by liquid-phase exfoliation?

I am working on the liquid-phase exfoliation of graphite for synthesis of graphene. I am unable to calculate the proper concentration of graphene in the dispersion. When I tried with vacuum...

09 October 2014 3,802 3 View

How can I clean silicon wafer substrate for an AFM sample?

I want to characterize my Graphene on Atomic force Microscopy (AFM), therefore I request you to kindly guide me the sample preparation steps for AFM and cleaning of silicon wafer as a substrate...

08 September 2014 10,035 11 View

Could you please tell me how to find absorption in the below UV-VIs Spectroscopy?

i am unable to find this simple thing.

08 September 2014 4,109 19 View

How do you find the molar absorptivity of the mixture of solvent to find the concentration of graphite that is dispersed as graphene in the solvent?

I exfoliate graphite by liquid phase exfoliation method. after synthesis the Dispersion is in liquid form. I normally use filtration method to find the concentration but I read some authors find...

08 September 2014 695 3 View

Does anyone have an idea of how to calculate the molar absorption of a solvent by UV-vis-Spectroscopy?

See above

06 July 2014 6,861 2 View

Activation Energy Calculation from Flynn Wall Ozawa Method?

How to calculate the lnβ, from a TGA curve, for calculating the activation energy Ea.

01 January 1970 6,675 4 View

How can i find the area of three different segments of a curve using Origin or any software?

Here i am attaching the picture you reference. S1,S2 and S3 are the three different segments of the curve. i want to calculate the specific area of these segments by using some software like...

01 January 1970 6,447 2 View

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 613 3 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

Do we save MSMEs of the Nation ?

SMEs are backbone of the country's white economy, most of them are II generation entrepreneurs and migrated from family owned business policies, and having sufficient higher educations for...

01 August 2024 5,562 2 View

Why methanol and sulphuric acid used in the analysis of polyhydroxyalkanoates (PHA) by GC-MS?

Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?

22 July 2024 1,210 2 View

When making abraxane with Nab tech, why is 9:1 Chloroform&EtOH used as solvents?

Is it the best optimization ratio based on experiments?

22 July 2024 8,170 0 View

What is the solvent system required to run tlc for calixarenes?

If you don't understand my question let me know

21 July 2024 563 1 View

Convergence of absorbency values to determine the total phenolic content of several solvents?

I used several solvents and measured the absorbency and determined the total phenolic content, but the results were similar after dropping them on the titration curve; What is the reason, please help

17 July 2024 5,151 5 View

How Can I Resolve a Persistent Unwanted NMR Peak at 1.25 ppm?

Hello everyone, I am facing a consistent issue in my NMR spectra with an unwanted peak appearing at 1.25 ppm. This peak seems to vary with the amount of sample: it becomes more pronounced with...

15 July 2024 9,065 4 View

What is the suitable solvent of MIL-100 for chemotherapy?

I synthesised a nanocarrier by conjugation MOF (MIL-100) with folic acid for use in chemotherapy but the samples didn't dissolve completely in aqueous solution or DMSO. Instead, they only...

15 July 2024 2,414 1 View