Natural Science Forum / Chemistry / Analytical Chemistry / February 2007

If we had a relatively innocuous soluble compound of extraordinarily
high molecular weight, we could melt ice with relatively small amounts
and without throwing tons of salt all over the place.
Richard Nacamuli

Anyone have any data on the workplace air in a candle store? Did
Google(s) on OSHA and other likely subjects but so far 0 results.

I have just started doing my experiment with an oxygen sensor. I was
trying to get some oxygen % in air and then I tried doing the same in
water at different levels.
I was wondering if I can know the behaviour of oxygen diffusion in

could anyone tell me a web site or ebooks with how to make things like
soaps, shapoos, toothpaste, handcleaners, asprine, drugs, floor
polish, shoe polish , insectcides

seek a table  showing the decrease in surface tension of water as
alcohol content rises.
willing to buy a book if necessary

Does anyone know how to experimentally extract or even just compare
the sample capacity of two GC columns? I've been trying to inject
increasing concentration of C18 @ 130C and plotting the theoretical
plates to see at which concentration it drops. But it's not giving any

Hey all,
I received some spectra in the .esp format and I need to convert them
to .txt files so I can use them in other software. Unfortunately, the
software that could read those files (ACDviewer or SpecViewer from