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Weird Question about KMnO4
Maybe KMnO4 is completely insoluble in DCM? I have a hunch it's poorly soluble at best. Maybe you we ...
5-8-2019 at 11:33
by: Heptylene
Building a Ionization Chamber
Your questions is pretty vague. It's like me saying "I want to build a mass spectrometer and I need ...
4-8-2019 at 03:19
by: Heptylene
99.5-100.5% Pure!
[rquote=619547&tid=152727&author=wg48temp9][rquote=619513&tid=152727&author=Heptylen ...
3-8-2019 at 02:10
by: Heptylene
99.5-100.5% Pure!
I found a nice reference book on uncertainties: [url=https://www.eurachem.org/index.php/publications ...
2-8-2019 at 12:41
by: Heptylene
Chemical Removal of Copper from Graphite Gouging Rods
1M H2SO4 + some H2O2 should work very well.
CuCl2/HCl should work well too, but might leave some Cu ...
2-8-2019 at 04:47
by: Heptylene
What is phosgene/phosphine?
[rquote=619309&tid=152659&author=fusso]I can't believe someone with >400 posts would ask ...
31-7-2019 at 09:40
by: Heptylene
What dimmer to use with Glas-Col heating mantle in Europe
For my tube furnace with a similar power output I'm using one of those ebay dimmers, supposedly rate ...
4-7-2019 at 00:39
by: Heptylene
How accurate are solution density measurements?
@brubei: Your approach only takes into account the random error right?

As you said you would also ...
21-6-2019 at 02:21
by: Heptylene
How accurate are solution density measurements?
The density \(\rho\) of a sample is calculated from its mass \(m \pm \delta m\) and volume \(V \pm \ ...
20-6-2019 at 06:02
by: Heptylene
How to clean a separatory funnel?
You could try hot sodium persulfate + 254 nm UV (from a germicidal lamp). It cleans glass very well ...
17-6-2019 at 06:08
by: Heptylene
Synthesis for hydrolaxamine to ketamine
We don't "give" people methods to "convert" things here. Do some research, show you're interested in ...
12-6-2019 at 05:46
by: Heptylene
Non-friable high temp fabric options?
Carbon fiber maybe?
7-6-2019 at 06:00
by: Heptylene
Whats the best way to obtain Sodium Bisulfite NaHSO3?
Which aldehyde is it you want to purify exactly? Without that information I can't tell you anything. ...
1-6-2019 at 09:48
by: Heptylene
Whats the best way to obtain Sodium Bisulfite NaHSO3?
Apparently you have an equilibrium between metabisulfite and bisulfite in water: Na2S2O5 + H2O <- ...
1-6-2019 at 06:26
by: Heptylene
Whats the best way to obtain Sodium Bisulfite NaHSO3?
@netnofeels: I have extracted cinnamaldehyde from cinnamon bark oil by making the bisulfite adduct. ...
1-6-2019 at 06:03
by: Heptylene
H2O2 as O2 source for propane/acetylene torch?
Yeah feeding pure oxygen into a compressor full of oil sounds like a recipe for a massive explosion. ...
31-5-2019 at 11:29
by: Heptylene
[Lab] Setup [opinions?]
[rquote=613488&tid=150373&author=DavidJR]
I had one just like that, but it died recently - ...
25-5-2019 at 05:21
by: Heptylene
[Lab] Setup [opinions?]
Be careful no to make the bikes rust if you handle HCl and such.

Also is that a KNF vacuum pump I ...
24-5-2019 at 12:11
by: Heptylene
Anyone have a hotplate/stirrer they could part with?
Nurdrage made a video on making your own temperature sensor (PT-1000 I think) for hotplate that supp ...
17-5-2019 at 07:44
by: Heptylene
Help wanted ... calibrating a 2kg F1 calibration weight.
[rquote=612777&tid=150069&author=unionised]Just a thought.
Imagine some kind soul offers to ...
17-5-2019 at 07:41
by: Heptylene
Help wanted ... calibrating a 2kg F1 calibration weight.
Damn 20£! A chunk of stainless that size is probably worth more, let alone a calibration weight, ev ...
15-5-2019 at 15:06
by: Heptylene
Identification of a mystery metal
[rquote=611527&tid=149463&author=phlogiston]I remember a thread where someone found a myster ...
4-5-2019 at 13:08
by: Heptylene
God should've blessed Earth with more precious metals
I think we are blessed to have iron and aluminum among the most abundant metals on earth.

Aluminu ...
4-5-2019 at 05:47
by: Heptylene
First yield of KClO3 from my cell
[rquote=610321&tid=148990&author=markx]Well done! The dichromate additive can be omitted for ...
25-4-2019 at 03:35
by: Heptylene
Accurate Constants
Have you tried [url=https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomi ...
24-4-2019 at 01:46
by: Heptylene
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