2009年6月16日 · eh, well, chloroform is considered to be an organic (nonpolar) solvent. It has low solubility in water (they aren't miscible, it's something like 8 mg/mL in water, which isn't very high). Now, that being said, chloroform has weak polarity, and thus it will dissolve some moderately polar molecules.

2015年12月2日 · Let's say if you developed a TLC plate and you saw all the dots very close to the bottom of the plate. This means that the solvent wasn't polar enough to kick off the polar compound off the silica or alumina and move it further up the plate. So in this case, you would have a lower rf value since the molecules did not travel far.

2015年6月2日 · This is what we use in NC: Q: What is the appropriate Beyond Use Date (BUD) for Magic Mouthwash? A: The appropriate USP <795> BUD for Magic Mouthwash depends on whether it is compounded and dispensed as an oral formulation or as a mucosal formulation.

2015年6月14日 · Just make sure you know what the lab does, maybe talk about past classes you took and how the subject matter that interested you there motivated you to look for labs on similar topics.