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cleaning engine used oil.. I was under the impression that [i]used[/i] engine oil was carcinogenic due to the fact that most of ... |
21-12-2005 at 03:21 by: DrP |
How disolve this? [quote]
but what about POLYVINYL CHLORIDE RESIN and CYLCLOHEXANONE what happens with them in the wh ... |
21-12-2005 at 01:20 by: DrP |
THF in general synthesis. THF is a much better solvent than mineral oil. It's a much more polar molecule. Thus the reaction ... |
21-12-2005 at 01:09 by: DrP |
How disolve this? The PVC resin won't go accross in the distillation - it will stay behind as solid gunk at a guess (d ... |
20-12-2005 at 01:52 by: DrP |
magnitude of the particle in chemistry Hmm - sorry to drag this up as it's an old thread, but I found it amusing reading... ![;)](./images/smilies/wink.gif)
Anyway ... |
19-12-2005 at 08:47 by: DrP |
Cleaning Glassware Never tried salt and acetone - think I might next time I get something stuck in some glassware.
W ... |
16-12-2005 at 08:11 by: DrP |
Cooling during separation? Sounds like your on the right track with the seperating funnel. Keep it cool if your worried about ... |
15-12-2005 at 03:23 by: DrP |
Forum upgraded! I agree with Chemoleo on this one - Seperate serious discussion from general chat. Also makes it pr ... |
9-12-2005 at 04:00 by: DrP |
Composition of "Ni99" welding rods. Hi JP Smith - I thought your question was quite clear.
Just out of interest - why do you need k ... |
9-12-2005 at 03:11 by: DrP |
Any soil scientists out there? Hi Tacho,
Sorry for the delay in the reply - been busy. Im pretty sure the names are fairly inter ... |
25-11-2005 at 07:47 by: DrP |
dH20 UK I get 25 kg bottles of distilled water from Univar. Likely they just sell B2B though - Give them ... |
24-11-2005 at 08:56 by: DrP |
Any soil scientists out there? [quote]
When I think of a spectrophotometer analisys I think of adding a few drops of a specific re ... |
22-11-2005 at 03:35 by: DrP |
Question About Cheap Digital pH Meters I was given some cheap plastic pH meters. First I was pleased the freebies, however, I found I had ... |
21-11-2005 at 08:53 by: DrP |
Composition of "Ni99" welding rods. I personally have no idea. Have you tried posting on a weilding forum?
http://www.aws.org/cgi-b ... |
17-11-2005 at 06:13 by: DrP |
Woodpaint For a waterbased basic white formulation try:
75% Acrylic Binder in water emulsion (50%)
15 - 20 ... |
14-11-2005 at 06:10 by: DrP |
Woodpaint What's the application (internal / external; decorative / protective)? - how much do you need ... |
14-11-2005 at 01:32 by: DrP |
Titanium Dioxide I have about a tonne of TiO2 at work - we use it as a white pigment in paint.
- This is probab ... |
11-11-2005 at 08:00 by: DrP |
Urea Phosphate I found some sodium citrate and disolved it in water - it gives a pH of around 8. This seems to bri ... |
7-11-2005 at 08:15 by: DrP |
how to make Polypropylene in lab? Dr. Beaker, Can it be done by ATRP? or is this just for the block copolymers. Surley it would be an ... |
4-11-2005 at 01:55 by: DrP |
how to make Polypropylene in lab? Here you are:
https://www.chem.ubc.ca/faculty/wassell/CHEM415MANUAL/Experiment9/Experiment9.htm |
3-11-2005 at 09:25 by: DrP |
how to make Polypropylene in lab? Take your Ziegler-Natta catalyst, usually TiCl3 or TiCl4, along with an aluminum based co-catalyst, ... |
3-11-2005 at 07:31 by: DrP |
UREA FORMALDEHYDE I have a solution of Urea Formaldehyde polymer in water (there may be some surfactants and stabilize ... |
3-11-2005 at 02:47 by: DrP |
aged formaldehyde soln. precipitate http://publish.uwo.ca/~jkiernan/formglut.htm
Don't know what it is myself, but this site rec ... |
2-11-2005 at 09:16 by: DrP |
Short Time Distillation Could mean at reduced presure?? No other way to make it faster.
Who suggested it in the first pl ... |
14-10-2005 at 08:10 by: DrP |
Interesting? Hi,
I don't know if this is interesting or not but this guy has been working to replicate io ... |
14-10-2005 at 02:56 by: DrP |
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