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Dear, I want to use thin layer chromatography because it's inexpensive and useful for that purpose. But, I don't know how to use this for air sensitive organic compound? Anybody can help me? Thanks!
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Dear, I have a chemical system, consists of carbon nanomaterial and organic compound. I design a reaction. My problem is: I'm not sure that there are any reaction or not (!) although the results...
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I want to combine the experiment and theory to check the effect, as well as predict some properties. However, I don't know which software can help me characterize electrochemical properties of...
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Dear, Dear all, I try to use Gaussian 09 first, and then, ORCA 3.0.3 but I cannot success with graphene model. I use BP86 functional and def2-SVP model (actually, I used 6-31G also) but the...
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Dear all, I'm a freshman of computational chemistry. Although I read a lot of books and articles, however, I don't know much about the it. At the moment, I used 2 software at the same time:...
06 June 2016 409 4 View
I prepare my sample use 3 methods: 1. Drop the solution onto surface of glass slide, and wait few days for the solvent evaporate. But, I just use this method for concentrated solution, and cannot...
05 May 2016 226 8 View
I used ORCA and now, I change into Gaussian 09 because my professor (and other researchers) like it. However, I find that the tutorial of this software is not good, even though I try to find it a...
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I don't understand, why we need to keep temperature low when mixing PVDF with solvent (for example NMP)? And herein, which optimization of temperature? 60°C or how many? What happen if I increase...
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