03 March 2016 1 8K Report

The pka of DBU in acetonitrile is 24.34. The pKa values are affected by temperature and the solvent dielectric constant. Is there a formula to convert pka values from one solvent to another as well as temperature?

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Is there any solvent system where metal triflates precipitate out?

The metal is ligated to amine ligands.

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What is the best way to crystallize sodium hydroxide for electrochemical studies?

I have tried to crystallize with sodium hydroxide with ethanol. However, I can still see a peak at 1.3V vs. Ag/AgCl in my CV graph.

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I am getting flaky solids after crystallization. What kind of solvent system should I used?

I have been trying to crystallize my metal complex with slow diffusion of diethyl ether in acetonitrile and methanol. However I am getting flaky solids, instead of crystals. Could you share any...

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How does an Ocean-Optics HIOXY oxygen sensor work?

I am curious how this system work?

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