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1st hotplate stirrer
Avoid anything too electronic, for the reason said multiple times so far on SM. Electronics will fry ...
13-11-2020 at 08:13
by: valeg96
Potassium, ammonium or sodium dichromate - HDPE containers advisable?
They are fine, most are stored in PE containers.
28-10-2020 at 14:17
by: valeg96
Unusual gas from Mg in Citric acid
OT: Woelen I agree, but sometimes cheap stuff is contaminated. A friend of mine purchased a roll of ...
27-10-2020 at 13:40
by: valeg96
Thermometers: alcoholic vs. Hg filling
I have plenty of vintage Hg thermometers found at a flea market for 1€/each, but out of curiosity ...
27-10-2020 at 13:33
by: valeg96
Anyone know what dyes can be used for anodizing or what they are made of?
There's a video, in Italian, of a guy with a lot of workshop tutorials. In his aluminium anodization ...
27-10-2020 at 13:29
by: valeg96
MSDS are inaccurate in 30-100% of cases (study)
[rquote=647428&tid=156389&author=Fyndium]Of course no one would do that for fun, but if some ...
27-10-2020 at 01:46
by: valeg96
MSDS are inaccurate in 30-100% of cases (study)
[rquote=647394&tid=156389&author=Fyndium]I suppose almost any composition can be determined ...
26-10-2020 at 14:30
by: valeg96
MSDS are inaccurate in 30-100% of cases (study)
Distilling any paint thinner or solvent that is not clearly labeled as "Acetone" "Toluene" "Tetrachl ...
26-10-2020 at 12:09
by: valeg96
Latest chemical order?
[rquote=647060&tid=9890&author=Herr Haber]100 grams of Rhodamin B were transfered from a zip ...
21-10-2020 at 13:07
by: valeg96
Experiment report: Cobalt Molybdate, amazing colors and a collloidal mystery
If you liked the fast settling of precipitate, a similar phenomenon is observed with cobalt thiocyan ...
21-10-2020 at 01:14
by: valeg96
Preparation of copper (I) cyanide (OTC Chem)
[rquote=646534&tid=156276&author=Boffis]I think the faint pinkish colour in my cuprous cyani ...
19-10-2020 at 07:00
by: valeg96
Sulfuric acid,acetone brown coloring???
I'm not sure what the forum policies are on such things but this is 1) in the wrong section and 2) e ...
19-10-2020 at 04:14
by: valeg96
Potassium permanganate storage
Glass containers are 9/10 times better. Plastic is chosen by suppliers because it's cheaper, lighter ...
18-10-2020 at 10:25
by: valeg96
2020 Secret Santa Sign In [now closed again]
Kinda regret finding out about this only in 2020, after 6 years of occasional lurking on SM. I'm alw ...
18-10-2020 at 05:44
by: valeg96
2020 Secret Santa Sign In [now closed again]
I agree: and this is such a rare hobby that every chance to connect irl with someone else is extreme ...
17-10-2020 at 23:42
by: valeg96
Distinguishing between KCl and NaCl
[rquote=646652&tid=156335&author=HamiltonMaya]Thanks for all the answers! I did the solubili ...
17-10-2020 at 08:28
by: valeg96
Distinguishing between KCl and NaCl
If it's telling apart two food supplements you can safely eat, just taste them: potassium salts tast ...
16-10-2020 at 23:59
by: valeg96
Chemical containers?
Keep an eye on the trash at your school/institution. You'll soon stock up way more glass containers ...
14-10-2020 at 01:55
by: valeg96
How to remove stains from hotplate stirrer
To clean an aluminium hotplate from stains you can warm it to 50-80°C and wipe it with a piece of p ...
13-10-2020 at 08:28
by: valeg96
Even HDPE Bottles Aren't Immune to Chemical Attack
Sigma-aldrich sells sulfuric acid in both HDPE bottles and coated glass bottles. Even their bottles ...
12-10-2020 at 22:04
by: valeg96
This is mandatory stuff for (amateur) chemists (Safety)
I personally cringed more than I should have when I saw his video "My chromyl chloride cleanup was a ...
12-10-2020 at 08:31
by: valeg96
Mercury in Canada
[rquote=646285&tid=156300&author=B(a)P][rquote=646284&tid=156300&author=valeg96]You ...
12-10-2020 at 07:01
by: valeg96
Mercury in Canada
You realize that half a pound (230 g) of mercury from switches will cost you 100-200$, right? Doesn' ...
11-10-2020 at 22:06
by: valeg96
IKA/Chemglass troubleshooting?
[rquote=646265&tid=156291&author=OldNubbins]Every hotplate/stirrer is just a resistance heat ...
11-10-2020 at 21:36
by: valeg96
Mercury in Canada
The best way to get mercury is to look for old amateurs/small local companies willing to get rid of ...
11-10-2020 at 21:28
by: valeg96
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