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Ika or Corning?
There are also metal baths with aluminium beads (or some alloyed metal), but they are very, very exp ... |
30-12-2020 at 09:56
by: valeg96 |
Looking over the border: EU-Regulations
Whatever will be eventually decided to be the procedure to obtain a permit, company number or not, i ... |
30-12-2020 at 09:28
by: valeg96 |
Looking over the border: EU-Regulations
[rquote=652236&tid=23212&author=teodor]
And it looks unprofessional like the people who mad ... |
30-12-2020 at 07:28
by: valeg96 |
Ika or Corning?
Kerosene is basically gasoline. Silicone oil or paraffin is not flammable... And can't be used in la ... |
30-12-2020 at 06:10
by: valeg96 |
Ika or Corning?
Olive oil has a very low smoke point, and is not good for oil baths. You should go with refined pean ... |
30-12-2020 at 01:23
by: valeg96 |
Graduate School?
Anything radioactive related has been eradicated in the EU, especially in Italy. Some research survi ... |
29-12-2020 at 16:32
by: valeg96 |
Graduate School?
An undergraduate degree here is barely worth more than some chemistry technical school qualification ... |
29-12-2020 at 13:45
by: valeg96 |
Ika or Corning?
Oil does not create fumes, unless you bring it to insane temperatures. If it's silicone oil, or mine ... |
29-12-2020 at 12:31
by: valeg96 |
Graduate School?
I still don't understand what "grad school" is.
Here in Italy we have a 3-year undergrad and a 2- ... |
29-12-2020 at 11:16
by: valeg96 |
Ika or Corning?
Baths are always better than mantles or raw hotplate. With liquids that need to be heated to 80-90° ... |
29-12-2020 at 10:18
by: valeg96 |
One of my favorite element
Can't wait for the Georgian courier service to be back working... |
29-12-2020 at 04:06
by: valeg96 |
Looking over the border: EU-Regulations
The next step is going to be a EU-wide ban on compounds with free chlorine, like NaClO, Ca(ClO)2, Cl ... |
28-12-2020 at 13:26
by: valeg96 |
Concentrating Battery Acid and Chromium Sulfate Synthesis
To provide controlled heating you should evaporate water on a water bath; that way you can be sure t ... |
28-12-2020 at 11:48
by: valeg96 |
Concentrating Battery Acid and Chromium Sulfate Synthesis
I'm not an expert but Chromium sulphate exists in plenty hydrated forms. The 18-hydrate is purple, t ... |
28-12-2020 at 09:37
by: valeg96 |
Extraction and purification of cobalt chloride from Li-ion batteries (18650)
[rquote=652139&tid=156817&author=vano.kavt]Thanks Valeg. I have had contact with many rare e ... |
28-12-2020 at 07:22
by: valeg96 |
Iodide/sulphur dioxide adducts, BaI2 x 4 SO2
[rquote=652134&tid=156818&author=woelen]I discovered this myself, 15 years ago. I wrote a we ... |
28-12-2020 at 06:54
by: valeg96 |
Extraction and purification of cobalt chloride from Li-ion batteries (18650)
Cobalt in aqueous solution follows the generic equilibrium
[Co(H[sub]2[/sub]O)[sub]6[/sub]][sup]2 ... |
28-12-2020 at 06:45
by: valeg96 |
Iodide/sulphur dioxide adducts, BaI2 x 4 SO2
Interesting, simple and nice. I'm not a fan of making chemicals that don't last, but this is somethi ... |
28-12-2020 at 06:10
by: valeg96 |
Extraction and purification of cobalt chloride from Li-ion batteries (18650)
If you have a burette and work with metals often, I suggest you get EDTA-2Na, xylenol orange and eri ... |
28-12-2020 at 04:42
by: valeg96 |
Extraction and purification of cobalt chloride from Li-ion batteries (18650)
I extracted Co years ago by dissolving everything in acid and then precipitating the carbonates mult ... |
28-12-2020 at 04:12
by: valeg96 |
Ika or Corning?
I've somewhat followed up with my institution's technician for the past years when it comes to hotpl ... |
28-12-2020 at 01:29
by: valeg96 |
Ika or Corning?
The IKA RCT Basic is very slim and the electronics are very close to the heating element, so if you ... |
27-12-2020 at 12:50
by: valeg96 |
Some arsenic chemistry
The neutralized solid mixture of Na3AsO4, Na2SO4 and NaCl you probably get by adding NaOH to the orp ... |
27-12-2020 at 06:35
by: valeg96 |
Some arsenic chemistry
Also, orpiment is supposedly soluble in solutions of ammonium sulfide or ammonium carbonate. I'm try ... |
27-12-2020 at 03:40
by: valeg96 |
Can't get water aspirator pump working
Water "aspirators" are meant to be used with water tap pressure. Whether they are glass, plastic or ... |
26-12-2020 at 00:09
by: valeg96 |
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