I need to give the data for Metal Nanoparticles which I have used as a catalyst for organic synthesis. So, as I know, DLS study can give size information. But will SEM or TEM images help in this situation.
Please give some good suggestions
Hi, I am looking for some books which have detail information on epoxide ring opening reactions in cyclic molecules like norbornene, cyclohexane, dicycopentadiene, etc. Please suggest me some...
04 May 2019 1,390 3 View
I have a 20g solid crude compound of which I separated 5g using column chromatography (30% EA/Hexane). I want to reuse the silica gel inside the column as it is, after washing with 100% EA, to...
03 April 2019 6,173 5 View
I want to know that why we have fixed concentrations of HCl (37%), HBr (48%), H2SO4 (98%), etc. Why we cannot have all acids of same strengths or same concentrations?
02 March 2018 6,306 11 View
If I dissolve my compound in a solvent then how does its properties differ from its liquid state? Moreover, by liquid state I mean its melt state. So I am confused between Melt State, Liquid State...
31 December 2017 7,303 3 View
I have a mixture an organic silyl hydride and its corresponding silanol. I need to separate both of them. Which technique could be best possible to do so. I don't know the boiling points of either...
09 October 2017 3,853 2 View
I have synthesized an organic compound which have no structural similarity with any of the existing once. But I am sure that the compound is a mixture of its isomers which is inseparable (I...
08 September 2017 3,280 5 View
I need to convert my polymeric compound which is very thick and sticky semi-solid into a very fine solid material. Is there any way to do apart from applying stress on the material. Please...
06 July 2017 5,336 6 View
I am performing Alkyne Zipper Reaction which requires 1,3-Propanediamine as a solvent. After completion of reaction, I need to extract my compound which is highly polar. But, since...
04 May 2017 7,707 11 View
I want to perform a reaction, in which sodium metal should produce solvated electrons. But my limitations are that I cannot use Liquid Ammonia, Methylamine or Ethylamine etc. as solvent....
31 December 2016 6,787 6 View
My reaction mixture has DMF and water in ratio 1:10 (DMF:Water). After the completion of reaction, I need to extract my compound which is highly polar. When, I use Dichloromethane or Ethyl...
01 January 1970 5,058 20 View
I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?
11 August 2024 3,115 1 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...
10 August 2024 3,229 0 View
Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...
09 August 2024 5,444 7 View
I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.
09 August 2024 9,894 2 View
If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...
07 August 2024 5,343 2 View
A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.
07 August 2024 5,307 1 View
Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...
07 August 2024 9,563 0 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...
05 August 2024 9,637 2 View