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Need a new vacuum gauge... suggestions? Even a Bennert manometer is way overpriced from any source I've ever seen considering that if you h ... |
19-1-2008 at 13:11 by: bio2 |
PC PSU to laboratory PSU ........Nameplate ratings are just that, ratings; the nameplate didn't specify what, if any, the cur ... |
18-1-2008 at 14:06 by: bio2 |
PC PSU to laboratory PSU I still not sure I understand why the 12V X 27A = 324W on my 480W PSU didn't trip on overcurrent. We ... |
18-1-2008 at 08:47 by: bio2 |
PC PSU to laboratory PSU An interesting tidbit on my cheapo chinese 480W PS (but everything seems to be made in China these d ... |
17-1-2008 at 16:28 by: bio2 |
PC PSU to laboratory PSU Here is the link and the complete sentence which is found about 3/4 of the way down the page just ab ... |
17-1-2008 at 13:46 by: bio2 |
PC PSU to laboratory PSU ......If you simply hook up a load between the +12V and +5V outputs, there's no way it's going to wo ... |
17-1-2008 at 12:08 by: bio2 |
water electrolysis Yea, OK.
Check this puppy out! This is what I am after as already stated. Pretty cool, huh?
ht ... |
17-1-2008 at 10:14 by: bio2 |
Need a new vacuum gauge... suggestions? A digital unit is less reliable, they drift, than say a Bennert type closed end manometer
which can ... |
17-1-2008 at 10:05 by: bio2 |
PC PSU to laboratory PSU A quick up-date for anyone that might try this.
I applied a 3.6 ohm load to the 7V configuration ... |
17-1-2008 at 09:46 by: bio2 |
water electrolysis .....Now, that's odd. My experience with the over-unity folks has been that they're incapable of emb ... |
17-1-2008 at 09:37 by: bio2 |
PC PSU to laboratory PSU ........ you can get 7 volts from the +5 V and +12 V outputs -- the +5 V is considered the negative ... |
16-1-2008 at 14:03 by: bio2 |
PID settings (tuning) ......I assume its an AC heater? If so a really nasty (because your electicity supplier will hate yo ... |
15-1-2008 at 11:57 by: bio2 |
vacuum system controlled leak or control http://www.coleparmer.com/Catalog/product_view.asp?sku=0639360
Ones made of brass are much cheape ... |
30-12-2007 at 21:02 by: bio2 |
vacuum system controlled leak or control A tiny multi turn needle valve will work and they are much cheaper than true "metering" valves which ... |
20-12-2007 at 12:03 by: bio2 |
Old Chemistry Lab Manual Yes, I remember mercurochrome and etc. being applied to superficial cuts
and as a topical treatment ... |
19-12-2007 at 12:45 by: bio2 |
"Drug Cooking" vs "Bomb Making" It is a double standard and the books being removed from the libraries are those
on "energetics" no ... |
18-12-2007 at 15:00 by: bio2 |
Old Chemistry Lab Manual We've come a long way since those days mostly
for naught.
Even in the '60's ninth graders were u ... |
18-12-2007 at 12:29 by: bio2 |
Method for MeNH2 detection Put a check valve in the line same as is used in
an oxy-acetylene torch head.
Even an orifice wo ... |
18-12-2007 at 12:09 by: bio2 |
"Drug Cooking" vs "Bomb Making" So then the next step for the USA police state is to require background checks for anyone to "access ... |
18-12-2007 at 11:17 by: bio2 |
problems with NaBH4 .... ....water holds up to 400X it's weight in methylamine).....
40% Methylamine in water is concentra ... |
17-12-2007 at 19:43 by: bio2 |
A Pressure Filter from PVC Plumbing Parts ..........I built this pressure filter from easily procured PVC (Drain and Waste) plumbing component ... |
14-12-2007 at 12:59 by: bio2 |
Water Fuel Well, here is some technical data (the 2007 patent) that attempts to explain it.
I'm surprised th ... |
4-12-2007 at 15:10 by: bio2 |
Hazards associated with open hot paraffin liquid bath Hard hydrogenated cooking oil will not smoke at 200 degrees and has some advantages over a hot plate ... |
26-11-2007 at 18:24 by: bio2 |
Acetone from Nail Polish Remover ......Also, acetone is extremely bad for the environment. ............
Acetone is produced by the ... |
18-11-2007 at 15:15 by: bio2 |
Acetone from Nail Polish Remover Here are some references on the behavior of
acetone/water for everyones enjoyment.
J Phys Chem 3 ... |
17-11-2007 at 12:42 by: bio2 |
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