| Search |
| [Next Page] |
Tesla Coil Inquiry
[rquote=417833&tid=63462&author=IrC]
Edit to consider this: "because the way they seem to ... |
31-8-2015 at 06:16
by: WGTR |
Tesla Coil Inquiry
I'm not sure what you're referring to with the photocoupler. I'd have to see a schematic of it. Ir ... |
30-8-2015 at 19:40
by: WGTR |
Tesla Coil Inquiry
[rquote=417574&tid=63462&author=TheAlchemistPirate]
Recently I have been learning about el ... |
29-8-2015 at 14:37
by: WGTR |
Urea Ban?
In a place like Afghanistan, supposedly you can't buy any nitrate or ammonium sulfate(?!?) fertilize ... |
26-8-2015 at 14:57
by: WGTR |
Copper, ammonia, vinegar, acetone and I don't know what happend.
I use tetraamminecopper(II) sulfate on occasion to etch copper foil using a tin resist. The ammonia ... |
22-8-2015 at 10:01
by: WGTR |
Phenol / Formaldehyde reactions in DI H2O
OK, thanks. I understand what you're trying to do now.
This "A" phase that I'm describing is bas ... |
7-8-2015 at 12:17
by: WGTR |
I need some clarification on the Texas DPS glassware permit...
Texas is a strong homeschooling state, and it's normal in those circles to buy chemistry lab ware fo ... |
7-8-2015 at 10:11
by: WGTR |
I need some clarification on the Texas DPS glassware permit...
You are looking for the NAR-120, not the NAR-121.
https://www.dps.texas.gov/internetforms/AlphaLi ... |
7-8-2015 at 08:03
by: WGTR |
Phenol / Formaldehyde reactions in DI H2O
Please forgive me if I'm overlooking an important detail about your application. I don't quite unde ... |
7-8-2015 at 07:48
by: WGTR |
Generating lots of heat for high-temperature reactions
An electric furnace can be built inside "low"-temp insulative firebrick. The brick may be good up t ... |
6-8-2015 at 13:41
by: WGTR |
Sodium!
[rquote=412200&tid=2103&author=Cheddite Cheese]
Then, I realized that, because the temperat ... |
13-7-2015 at 15:42
by: WGTR |
aniline synthesis
I think the easiest and most practical way is probably outlined in this patent:
[file]41524[/file ... |
4-7-2015 at 11:38
by: WGTR |
Anodic Stripping Voltammetry for Trace Lead Detection
A more complicated solution, but if the application is important, then there are labs that run these ... |
4-7-2015 at 11:31
by: WGTR |
Metallic Strontium
Referring to a previous page, here's the phase diagram:
https://www.sciencemadness.org/whisper/view ... |
27-6-2015 at 17:57
by: WGTR |
Precipitate after oxidizing iron
Most likely an oxide/hydroxide of iron. Try adding small incremental amounts of HCl to the solution ... |
25-6-2015 at 16:27
by: WGTR |
Make pcb etching solution
Here's one I've used that works:
Make up solution to give 2.5L after H[sub]2[/sub]O[sub]2[/sub] h ... |
24-6-2015 at 07:13
by: WGTR |
Metallic Strontium
My first thought would be a modification of "A". I haven't tried this, so your mileage may vary (YM ... |
22-6-2015 at 20:03
by: WGTR |
Replacing indium tin oxide with graphene sheet
It's possible to form graphene nano-flake suspensions by direct exfoliation of graphite in DMF in an ... |
21-6-2015 at 17:17
by: WGTR |
CUrrent job market for US chemists?
Unfortunately, the chemistry market seems to be the same in Texas. The chemistry jobs where I work ... |
18-6-2015 at 18:39
by: WGTR |
Druken Aga Challenge (DAC) #3 - Closed (but open to discussion)
I was thinking about this project yesterday. I haven't given up on it, but the realitites of life a ... |
13-6-2015 at 21:15
by: WGTR |
Super easy way to make your own diaphragm?
There is a very curious usage of the word "brain" in this publication. Can anyone shed some light o ... |
12-6-2015 at 16:23
by: WGTR |
Plating chromium
The plating process depends a lot on what the parts are made from. Steel is fairly easy to electrop ... |
12-6-2015 at 14:32
by: WGTR |
Invert 555 Timer Signal
[rquote=408990&tid=62721&author=elementcollector1]So, I've recently been experimenting with ... |
12-6-2015 at 05:50
by: WGTR |
Help with a giga-battery (Electrochemistry)
I have to agree with aga. If the load resistance=0, then the time constant and current are the same ... |
9-6-2015 at 15:38
by: WGTR |
How to circulate solution without contamination?
Regardless of the intentions of the OP, I think the question is an interesting one.
When stirring ... |
5-6-2015 at 16:00
by: WGTR |
| [Next Page] |
