Natural Science Forum / Chemistry / General Chemistry / March 2005

I'm looking for information about fluoro and fluoro polymers when used
in the field of optical fiber. Do enyone know anything about this
topics?
Thanks

Hi all, I have a quick question.
I'm looking for food additive information for an art project.  The
goal is to use a water soluble thickener to form a large transparent
block of material.

What is the approximate current retail price/Kg in the United States for these
two metals? Any help
would be appreciated.
Titanium (98%)

An hour ago I filled the toilet up to the top. Judging from my weight before
and after pooping, there was about 12 pounds of poop. Has anyone had this kind
of amount of poop before? I like the feeling of a massive amount comming out at
once that I have to stuff myself every couple ...

Is it possible for a mass of water vapor to instantly condense/fall as
water?  Through human intervention or natural causes, of course.  If
so, how?  I'm a science fiction writer and I just wondered if this is
a plausible phenomenon.

I had this for breakfast yesterday,
Whats its common  name again?
W

I need to purchase a 55 gallon drum of ETBE , does anyone know of a
supplier?
Thanks

biochem is far behind me, yet I have a strong desire to brush up on
it, and I should add, that I'm detail oriented--therefore I need a
detailled textbook. I've browsed Amazon for such books, but the wide
array of them makes it a real hassle for me to pick one out--Ineed

We are doing soduim hypochlorite to RO permeate. The hypo solution was found
to actually increas the pH. By Increasing the pH,it's working against itself
reducing free chlorine.
Do we need pH adjustment when disinfecting with Soduim Hypo?

I would try EO on RC to do process development and monitor reaction
change.Does anyone have such experience?

I am learning chemistry on my own. I've come across "solubility rules"
at http://www.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
I'm wondering if these are really rules predicted by equations, or just
observations. I would imagine they actually are rules, because

I am looking for software or algoritms to compare chromatography runs.
opensource software to compare different runs automatically especially
when peaks are a little bit different in width and retentiontime
thanks

I am working on a mini-chemistry project which involves the use of a
spectophotometer to measure the absorbance of certain solutions. The
spectophotometer is a single beam, 300-900nm range unknown
brand/manufacturer. This is how i'd been working with the instrument:

Does anyone know of  an efficient way to attack the OH group in
tyrosine (tyrosine is not free but as part of a peptide). Any high
efficient modification would work, the only requirement is to change
the group to something non ionisable.

When painting an old bare concrete floor with oil based enamel, it's
tempting to pour the paint on thickly enough to fill holes -- a purpose
for which it was not designed.
The paint forms a rubbery surface layer, of course, like in a poorly