Most of our student saying chemistry learning is difficult. why saying this?

chemistry is one of an interesting science in the world. but in most developing country student is nit prefer to learn chemistry. i mention the most two cases: in developing country mostly no...

02 January 2020 1,167 3 View

Can you suggest innovate Health apps rather than mHealth for maternal health service utilization?

28 November 2018 7,757 1 View

About ''Research ethics in Big Data'' ?

would you list out the possible points should be addressed in big data research ethics for I am reading it for my upcoming PhD seminar presentation Can you Help me by attaching some reading...

27 November 2018 8,397 8 View

Do university journals belong to a non-predatory column?

Hello all, I have a point to share you. Young academicians want to publish articles as fast as possible for the sake of academic promotion. We constantly search where my article can be published...

01 January 1970 7,543 20 View

What is role of toluene and stearic acid in ball milling for powder ? In what weight percent we should add this to powder?

I am doing ball milling operation of Aluminum and silicon carbide powder. I am pretty confused about what should be added as process control agent ? what is role of toluene as PCA and stearic...

12 February 2021 5,205 3 View

What is the reason for using Glass Impingers?

Impinger bottles are used at some applications, where the gas is cooled and the condensate is dissolved in a solvent contained in the impingers. I have always seen impingers made of glass. Why not...

03 February 2021 6,959 2 View

Solubility of PMP in solvent?

What is the maximum solubility limit of poly(4-methyl-1-pentene) in N,N, dimethylformamide? I gone through solubility parameter concept but I did not get the answer for maximum amount of polymer...

02 February 2021 947 3 View

In order to simulate a DWC in steady state, how to put the unit operations in the flowsheet of any process simulator?

14 January 2021 3,938 6 View

Is it reliable to use toluene as a solvent in measuring density by liquid displacement method?

Hi all, I am working on pollen and want to examine the true density. No doubt, toluene does not swell the particles but it may dissolve the lipid materials and other organic molecules besides the...

07 January 2021 2,471 2 View

What is the best way to maintain constant concentration of a volatile organic liquid in an open experimental set-up?

The purpose is to keep a NAPL (eg Toluene) concentration constant in an open tank set-up.

27 December 2020 7,325 2 View

How to obtain a wet deposited film by spin coating method?

I tried to deposit some polystyrene thin films by the use of spin coating method. I should mention that the solvent which I used was toluene. The films which I obtained were totally dry. While I...

14 December 2020 4,655 5 View

Is there a solvent for polypropylene at room temperature?

I want to dissolve polypropylene for making a solution so as to make fibres at room temperature. I have tried toluene and xylene but without any success in dissolving.

06 December 2020 8,479 2 View

Do the anchoring condition at NP-LC interface changes in any particular solvent (i.e. toluene, ethanol etc) or remains the same ?????

For absorbance and emission measurements of nanoparticles dispersed nematic liquid crystal we dissolve sample into a particular solvent (like toluene, ethanol etc). do anchoring condition at...

04 December 2020 1,938 1 View

How is solubility of CO2 or air in organic solvents such as xylene or cyclohexane?

For some reason, I need to inject a dispersion of an organic solvent and organoclay into a block of soil sample. the organic solvent probably is xylene.

29 September 2020 6,348 4 View