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Elemental Scientific Liquidating Chemicals, glassware, and used equipment
Same here, they got some deals and steals, I will let everyone know how the experience is |
26-4-2023 at 15:49
by: Rainwater |
Do PGMs react with hot NaOH solution ?
I wouldnt consider silver as a pgm
To clean my silver castings, i boil them in 10% NaOH, and it g ... |
26-4-2023 at 09:41
by: Rainwater |
Mystery oxidizer labeled as KNO3
Any updates? |
25-4-2023 at 14:56
by: Rainwater |
Testing for CaF2 minerals
Admagistr my man. I dont care what they say about you, you good in my book
No idea what wavelength ... |
24-4-2023 at 16:26
by: Rainwater |
Testing for CaF2 minerals
https://www.sciencemadness.org/whisper/viewthread.php?tid=26378&goto=search&pid=683439
Test ... |
24-4-2023 at 15:25
by: Rainwater |
Unknown mineral
Found this deep purple colored layer (2mm thick) in south eastern united states.
Adjacent layers ar ... |
24-4-2023 at 09:38
by: Rainwater |
Wire glue
Its conductive carbon particles mixed with a binder.
https://asset.re-in.de/add/160267/c1/-/en/0005 ... |
24-4-2023 at 01:39
by: Rainwater |
Do PGMs react with hot NaOH solution ?
I want to say platinum metal would be unaffected, but in an unknown mixture, that would not be accur ... |
21-4-2023 at 17:41
by: Rainwater |
Do PGMs react with hot NaOH solution ?
Yes
Ore is a mix of metals, oxides, sulfates and .... well everything
I dought he got an effective ... |
21-4-2023 at 11:17
by: Rainwater |
Calculating the heat of explosion of ETN
Not sure. So lets break it down. Folowing this procedure
[url=https://chem.libretexts.org/Bookshelv ... |
20-4-2023 at 01:52
by: Rainwater |
Acetaldehyde disposal
That small amount shouldn't be too big of a boom.
As for proper disposal, complete combustion. |
19-4-2023 at 16:18
by: Rainwater |
Did I ruin my digital vacuum gauge?
Regardless of what gauge being used, protect it from heat.
Even more if it is a precision instrume ... |
17-4-2023 at 15:34
by: Rainwater |
My adventures in diy battery making - batteries are hard.
Extending the upper voltage the adc can read can be done with a simple resistive divider at the cost ... |
17-4-2023 at 13:37
by: Rainwater |
My adventures in diy battery making - batteries are hard.
[quote]I built a lovely arduino controlled battery tester[/quote]
Are you using a current source as ... |
16-4-2023 at 15:21
by: Rainwater |
Did I ruin my digital vacuum gauge?
So I first have a gauge into a tee fitting
One side of the tee goes to a valve when I can let gas i ... |
16-4-2023 at 11:29
by: Rainwater |
Mel-Temp Replacement Bulb
Maybe this one
https://www.grainger.com/product/4RZW5
$2 |
14-4-2023 at 14:35
by: Rainwater |
Mel-Temp Replacement Bulb
Ok, easy bake oven.... that is a "can dc bar" style socket, originally used back in the eddision vs. ... |
14-4-2023 at 13:14
by: Rainwater |
Did I ruin my digital vacuum gauge?
So I found a fix, but it is not perfect for every distillation, I been trying to nail down azeotrope ... |
13-4-2023 at 12:13
by: Rainwater |
Not allow to purchase cryogenic equipment
Here is a spreadsheet I used to help fix the unit I aquired. Should have posted it sooner |
12-4-2023 at 16:51
by: Rainwater |
Pretty Pictures (2)
Sunrize over the mountain, pre daguerreotype era |
12-4-2023 at 14:22
by: Rainwater |
Did I ruin my digital vacuum gauge?
Cathoderay put it better than i could. My setup is configured the same as yours, and I have the same ... |
12-4-2023 at 14:15
by: Rainwater |
Did I ruin my digital vacuum gauge?
I think your witnessing a pressure gradient.
With the configuration in the pictures, the gauge will ... |
12-4-2023 at 07:17
by: Rainwater |
The Short Questions Thread (4)
https://www.engineeringtoolbox.com/amp/locked-rotor-code-d_917.html
A picture of the pump pla ... |
10-4-2023 at 23:50
by: Rainwater |
Can a coffee filter be used as a membrane for electrolysis?
No, the pores are much to big. Printer paper will work, but not very well.
If you search the forums ... |
9-4-2023 at 01:57
by: Rainwater |
Can somebody explain why this happens? Capacitor discharge through a piece of foil shatters a ceramic tile
Beezwax, [b]together[/b] lets build mathematical model of the aluminum foil arc flash experiment
... |
8-4-2023 at 04:47
by: Rainwater |
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