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Device that heats at around 40 degrees C?
A fan, an electric heater and a PID controller in an insulated box could do the trick. Even styrofoa ...
18-5-2020 at 00:51
by: Heptylene
Vacuum ampoules
Oh that's a really interesting topic, I've tried myself to make vacuum ampoules and they all ended u ...
7-5-2020 at 02:12
by: Heptylene
Cheap, interesting elements/compounds to buy?
[strike]Rhodium [/strike]

Iron? It really is dirt cheap and you can get really nice electrolytica ...
7-5-2020 at 01:56
by: Heptylene
Inorganic compounds with most intense colour in water solution
Potassium triiodide? I.e. iodine in KI solution.
5-5-2020 at 06:38
by: Heptylene
The credibility of syntheses around?
I have struggled myself with syntheses that provided insufficient information to be reproduced. In f ...
1-5-2020 at 15:02
by: Heptylene
Photo-Birkeland-Eyde reactor under pressure?
[rquote=635075&tid=155283&author=FranzAnton]What about the strong triple binding within the ...
30-4-2020 at 13:02
by: Heptylene
High Voltage with High Power for Birkland-Eyde reactor
Not a specialist, but I've been trying to build switch mode power supplies (SMPS) for a few months s ...
29-4-2020 at 14:09
by: Heptylene
Vacuum pump for vacuum distillation.
Everybody has said it already: get an aspirator. Easy to clean, cheap, definitely sufficient for nit ...
29-4-2020 at 13:49
by: Heptylene
Photo-Birkeland-Eyde reactor under pressure?
What about the entropy of reaction? I'm a bit rusty on thermodynamics, but to form N2O5 your have co ...
29-4-2020 at 12:41
by: Heptylene
Got my own NMR
Wow! This is THE tool a chemist needs and you've got it. Do you mind sharing how much you paid for i ...
24-4-2020 at 00:42
by: Heptylene
Corning PC-420 Transformer Replacement
Could you find an equivalent transformer? I assume the voltage outputs are pretty standard. I guess ...
22-4-2020 at 15:39
by: Heptylene
Ostwald reactor from platinized silica wool
I had never thought about that equilibrium. I have a peristaltic pump which I could use to feed wate ...
20-4-2020 at 01:58
by: Heptylene
Setting up a home Schlenk system
Wow incredible setup, thanks a lot for sharing! Any tricky/interesting syntheses you have completed ...
19-4-2020 at 01:04
by: Heptylene
Cole Parmer 4800 Mark I parts
Maybe forget the gearbox and adjust the speed of the motor directly? Using a variable frequency driv ...
17-4-2020 at 05:10
by: Heptylene
A minor but interesting side effect to social distancing.
This is still interesting info, indeed we will see whether this affects chemistry channels. Thanks f ...
10-4-2020 at 01:59
by: Heptylene
The mingling of Palladium and Arsenic
Nice chemistry! And very pretty colors, especially that arsenic triiodide! I'll have to try to make ...
10-4-2020 at 00:33
by: Heptylene
Ostwald reactor from platinized silica wool
You're going to have a hard time doing glasswork with a propane-only torch, I speak from experience, ...
6-4-2020 at 05:24
by: Heptylene
Synthesis of substituted azulenes
Amazing work as always Numos! Interesting synthetic target, I'm fascinated by dyes so I'll be adding ...
5-4-2020 at 14:29
by: Heptylene
Ostwald reactor from platinized silica wool
Thank you WGTR!

The flowrate is approx. 0.5-1 liter per minute of air coming out of an aquarium p ...
2-4-2020 at 05:01
by: Heptylene
Counter-current gas absorption tower!
I've been working on and off on my Ostwald reactor over the past year, and have improved the gas abs ...
1-4-2020 at 13:49
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
[rquote=633203&tid=155083&author=monolithic][rquote=633172&tid=155083&author=Heptyle ...
27-3-2020 at 09:25
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
Ah yes, the Ostwald process! Have you had any developments in the last year? You project looked well ...
26-3-2020 at 17:33
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
I've been looking at some dual stage rotary vane pumps recently, hoping to reach 10[sup]-3[/sup] mba ...
26-3-2020 at 13:03
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
Up to now I've been measuring pressure in the lab using a classic manometer ("Bourdon gauge"). While ...
26-3-2020 at 09:16
by: Heptylene
SO2 from S8 and H2SO4
Doesn't sodium metabisulfite decompose when heated? (To sodium sulfite and sulfur dioxide) Wikipedia ...
24-3-2020 at 14:29
by: Heptylene
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