| Search |
| [Next Page] |
The use of organic solvents in cooking
@Formatik - don't alcohol dehydrogenases convert ethanol to acetaldehyde as the first step in human ... |
31-5-2010 at 15:40
by: densest |
Electrolisys Production of NITRIC ACID, Hydrogen Perocide, & MORE!
I -think- the peat moss -> NO3 procedure looks a lot like the NH4 -> NO3 by bacterial oxidatio ... |
23-5-2010 at 10:30
by: densest |
Electrolysis power supply
Elaborating what 12AX7/Tim says from experience & observation:
Using a PC as a controller ins ... |
17-5-2010 at 10:28
by: densest |
Ammonia by the haber process--tabletop chemistry
@not_important - thanks for the clarification about the ceramic. Is it correct that the proton emerg ... |
14-5-2010 at 18:33
by: densest |
Ammonia by the haber process--tabletop chemistry
The "Electromagnetic - Microreactor" paper leaves out one little tiny little detail - the excitation ... |
13-5-2010 at 11:10
by: densest |
Ammonia by the haber process--tabletop chemistry
The various web sources say 400-450C and 200bar = 3000psi ... I've done a little plumbing for 150bar ... |
12-5-2010 at 12:40
by: densest |
Uranium
My copy of solvent extraction has gone walkabout... there are several chapters on extracting U from ... |
11-5-2010 at 19:08
by: densest |
Pure In from 50/50 In/Pb
@not_important - Thanks! This sounds like a very feasible method. Sulfamic acid seems to be easily a ... |
11-5-2010 at 13:40
by: densest |
mercury thermometers
@not_important: if I could figure out an easy way to separate indium from lead I'd be happy - I've g ... |
10-5-2010 at 20:24
by: densest |
mercury thermometers
I finally got around to testing an Auber platinum RTD - it looks good! I connected it to an Omron E5 ... |
10-5-2010 at 16:24
by: densest |
nutrient for yast
First, unless absolutely forced to, [b]don't[/b] use baking yeast. If you absolutely cannot get brew ... |
7-5-2010 at 14:15
by: densest |
For sale: Lithium Aluminum Hydride 99% (pelletized)
Au in seawater: approximately 6x10-13 g/g
1 km^3 = 10^9 m^3 = 10^12 l = 10^15 cm^3
so Au/km^3 ~= 6 ... |
5-5-2010 at 14:32
by: densest |
quick vote: gallium. a good investment?
Arsenic is pretty common in copper, silver, nickel, etc. ores. I don't have numbers here. Recovery o ... |
2-5-2010 at 17:06
by: densest |
quick vote: gallium. a good investment?
It's relatively costly to extract Ga from the spent Al liquors, so as those processes improve the co ... |
2-5-2010 at 12:17
by: densest |
Temperature Control for an electric Oil Bath
Would DOT-5 silicone-based brake fluid be useful? DOT-5.1 glycol based fluid? Both should be useful ... |
1-5-2010 at 08:45
by: densest |
Mathematics and electronics experiment with chaotic oscillator
N.R. is a good catalog, I agree.
FFTs are very sensitive to the precision of the floating point r ... |
30-4-2010 at 12:06
by: densest |
Question about PTFE Thermometer Adapter
When I distilled sulfuric acid I replaced the o-ring with a teflon (well, some white fluoropolymer) ... |
30-4-2010 at 11:54
by: densest |
Bright orange potassium ferrocycanide
AFAIK, potassium ferrocyanide & potassium perchlorate will deflagrate pretty vigorously if ignit ... |
30-4-2010 at 09:37
by: densest |
Electrolysis power supply
@chief - the PFC term is only partially correct - it's short for power factor & harmonic current ... |
28-4-2010 at 14:23
by: densest |
Electrolysis power supply
Tim - sorry, I naively read "OC" as "overcurrent" which is how some manufacturers have labeled their ... |
28-4-2010 at 13:22
by: densest |
Electrolysis power supply
I'm curious that you didn't use the OC pin on the half-bridge stage - the HV cap after the PFC holds ... |
27-4-2010 at 22:40
by: densest |
AP Exam in Three Days??!?
Hmmm... most of reaction kinetics comes down to probability and 1st year calculus. If you can do alg ... |
27-4-2010 at 21:11
by: densest |
Insane science projects — Think BIG
Looking for Au is really a long shot - 0.4-0.8 PPT - yes, parts per 10^12. A cubic kilometer of seaw ... |
27-4-2010 at 20:44
by: densest |
Mathematics and electronics experiment with chaotic oscillator
@franklyn - ooooohhhhh tubes vs. transistors.... tubes give you a big dose of 2nd harmonic which giv ... |
25-4-2010 at 17:21
by: densest |
chloric acid solution becomes yellow ...produces a peculiar noise
Heh. Pure barium chlorate, huh? The last time I heard, the only supplier left in the US who would se ... |
25-4-2010 at 14:05
by: densest |
| [Next Page] |
