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Where do radioisotopes decay elements go ?
[rquote=191896&tid=14794&author=DDTea]DNA can be mutated by such decays and exposure to UV r ... |
4-11-2010 at 00:12
by: merrlin |
Electrolyte Conductivity
Electrolyte conductivity measurements can be be made using an AC signal in place of a DC signal. Thi ... |
23-10-2010 at 12:28
by: merrlin |
magnetic field's effect on triplet state transitions
[rquote=190967&tid=14726&author=ThatchemistKid]Today in class (Quantum Mechanics) we were di ... |
23-10-2010 at 11:59
by: merrlin |
pipe thread sealing
[rquote=185085&tid=14296&author=Magpie]Thanks, merrlin.
I rechased both threads, again no ... |
13-8-2010 at 12:56
by: merrlin |
pipe thread sealing
[rquote=185013&tid=14296&author=Magpie]from merrlin:
[quote]
The nominal hand-tight enga ... |
12-8-2010 at 12:56
by: merrlin |
pipe thread sealing
[rquote=185001&tid=14296&author=Magpie][rquote=185000&tid=14296&author=watson.fawkes ... |
11-8-2010 at 19:14
by: merrlin |
Chemical Resistance of Plastics
[rquote=166533&tid=13024&author=Panache][rquote=165670&tid=13024&author=merrlin][rqu ... |
2-12-2009 at 12:27
by: merrlin |
Oxidation of Solid Sulphides by Bleach
[rquote=166297&tid=13061&author=watson.fawkes][rquote=166285&tid=13061&author=Aurus] ... |
21-11-2009 at 13:00
by: merrlin |
Oxidation of Solid Sulphides by Bleach
I recall seeing the Ellingham diagrams for oxygen compared to that for sulfur, and in general, the f ... |
20-11-2009 at 22:46
by: merrlin |
Synthesis from Patents?
The patent law (35 U.S.C. 112) requires that:
"The specification shall contain a written descript ... |
16-11-2009 at 13:50
by: merrlin |
Chemical Resistance of Plastics
[rquote=165642&tid=13024&author=Mossydie]It gives every name for Teflon (FEP / TFE / PFA) ap ... |
10-11-2009 at 00:39
by: merrlin |
The short questions thread (2)
[rquote=165285&tid=12054&author=DJF90]Can lead not be purified electrolytically like copper? ... |
3-11-2009 at 00:42
by: merrlin |
Work hardening of annealed stainless tubing
[rquote=164947&tid=12980&author=watson.fawkes][rquote=164919&tid=12980&author=Panach ... |
26-10-2009 at 22:48
by: merrlin |
Welding Nichrome wire
[rquote=164958&tid=12982&author=densest]
For spot welding, I use a homebrew capacitor/IGB ... |
26-10-2009 at 22:35
by: merrlin |
pyrometallurgy
[rquote=164701&tid=12958&author=garage chemist]
I found that a precise preform is necessary ... |
22-10-2009 at 15:36
by: merrlin |
pyrometallurgy
[rquote=164611&tid=12958&author=Magpie] My testing indicates a permeablity of 2.5% and the ... |
20-10-2009 at 23:30
by: merrlin |
B.E.T. Theory/Equation
[rquote=164397&tid=12945&author=sparkgap]
Here's a nonspecialist's question: why wouldn't ... |
16-10-2009 at 23:50
by: merrlin |
B.E.T. Theory/Equation
Micromeritics has been making instruments for some time. Below is a link to some of their technical ... |
16-10-2009 at 16:41
by: merrlin |
neodymium sulfate??
I can't explain it, but I am wondering if the oxygen released during dissolution of the oxide might ... |
13-10-2009 at 14:00
by: merrlin |
I need a vacuum bell. And I'm cheap.
If you are going to use a glass object with an unknown composition and unknown thermal history, I re ... |
13-10-2009 at 12:47
by: merrlin |
New pump
If you are going to use fomblin with corrosives, you might consider Drynert. I'm not sure if it used ... |
12-10-2009 at 09:56
by: merrlin |
Electrolytic DEplating of silver from copper?
Ag is considerably more soluble in liquid Pb (2.5% eutectic at 304C°) than copper. Also, silver oxi ... |
12-10-2009 at 09:30
by: merrlin |
New pump
[rquote=164025&tid=12917&author=User]Ive often seen filters for the exhaust vent.
How neces ... |
11-10-2009 at 13:58
by: merrlin |
New pump
@vulture:
The point is that there are probably a lot of materials that will be miscible in fombli ... |
11-10-2009 at 13:22
by: merrlin |
New pump
[rquote=163920&tid=12917&author=vulture][quote]
Fomblin can be cleaned with isopropanol and ... |
10-10-2009 at 13:39
by: merrlin |
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