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Nickel sulfate questions
Electrolysis would require keeping the voltage between about 1.07 and 1.48 volts - below 1.07 volts, ...
14-11-2018 at 18:35
by: elementcollector1
Nickel sulfate questions
Alternatively, adding a strip or some similar solid piece of nickel should precipitate the copper ou ...
14-11-2018 at 10:41
by: elementcollector1
Nickel from NiCd batteries
From previous experience, they put the Cd metal as a gray, paste-like substance covering the steel m ...
11-11-2018 at 14:18
by: elementcollector1
Speculating how early humans discovered the 7 metals of antiquity?
Lead, at least, I can give a possible answer for: I've noticed that melting lead in a wood fire tend ...
9-10-2018 at 17:38
by: elementcollector1
Sodium from sodium oxide
Sodium carbonate only decomposes at very high temperatures (851 degrees Celsius for the anhydrate, a ...
30-9-2018 at 19:48
by: elementcollector1
Fluidized drying bed
Forgive me, I'm not very familiar with the use of fluidized beds. Would a vacuum dessicator not suff ...
30-9-2018 at 19:41
by: elementcollector1
Make Potassium (from versuchschemie.de)
My initial tests with mineral oil failed as well - when I switched to kerosene lamp oil, things star ...
8-9-2018 at 09:09
by: elementcollector1
Building a high-temperature induction furnace
That's a fascinating design - unfortunately, I don't have a sister. I may have to learn this strange ...
29-8-2018 at 13:53
by: elementcollector1
Building a high-temperature induction furnace
I plan to make boules of at least 6" height by 3" diameter, so assuming the boule expands all the wa ...
29-8-2018 at 13:17
by: elementcollector1
Building a high-temperature induction furnace
Yes, but I'm looking to create quite a large 2000-degree Celsius hot zone. I imagine even with the s ...
29-8-2018 at 11:52
by: elementcollector1
Building a high-temperature induction furnace
I've decided to attempt to recreate the Czochralski process for making large gemstone boules. This p ...
29-8-2018 at 10:19
by: elementcollector1
Any place to get granular purified silicone dioxide for chemistry applications?
If you were feeling particularly adventurous, you could always 'polish' the glass bits in the equiva ...
27-8-2018 at 16:16
by: elementcollector1
Any place to get granular purified silicone dioxide for chemistry applications?
'Florida white sand' is the stuff I plan to use. Color is generally good enough indicator of purity ...
27-8-2018 at 12:21
by: elementcollector1
can a diamond dissolve in acid ?
[rquote=530755&tid=88900&author=Keras]

Well, pearls are organic in origin but mineral in ...
22-8-2018 at 10:19
by: elementcollector1
can a diamond dissolve in acid ?
Heated amethyst turns anywhere from yellow to a rich brown, depending on the starting saturation. Th ...
21-8-2018 at 12:07
by: elementcollector1
Hydrothermal Synthesis of Sulfides
And that gives me rough estimates of 22,000 psi on the low end and 28,000 psi on the high end. Nice! ...
20-8-2018 at 09:15
by: elementcollector1
Hydrothermal Synthesis of Sulfides
If I recall correctly, they never mentioned the fill rate for any of their experiments, so you're qu ...
19-8-2018 at 13:56
by: elementcollector1
Hydrothermal Synthesis of Sulfides
Yeah, I was definitely thinking of remote operation.

From what I've read, the trade-off for lower ...
19-8-2018 at 12:23
by: elementcollector1
Hydrothermal Synthesis of Sulfides
I'd considered the steam tables, but I'm not sure if this setup qualifies as 'saturated steam.' Stil ...
18-8-2018 at 13:37
by: elementcollector1
Hydrothermal Synthesis of Sulfides
So here's the thing I don't get. According to what little I know of thermodynamics, even 20 mL of wa ...
18-8-2018 at 11:48
by: elementcollector1
Bad days in the lab or with glassware?
Recrystallize it, maybe? If you haven't already thrown it away, that is.
18-8-2018 at 09:03
by: elementcollector1
Water listed as "Toxic Substance" under US Toxic Substances Control Act of 1976!
So, I'm presuming the fact that human bodies are 70-80% water doesn't bother you?

If being immort ...
16-8-2018 at 15:13
by: elementcollector1
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
I would think tert-butanol deserves a spot as well (although maybe it's technically covered in 'alco ...
13-8-2018 at 19:59
by: elementcollector1
Where can I buy precious metals for cheapest prices?
Personally, I think it's worth looking into gold panning and gem hunting around one's area. It's not ...
13-8-2018 at 12:19
by: elementcollector1
What is the maximum voltage batteries can handle?
You would not get electrocuted by a 1 MV battery's sole terminal, no. You'd get electrocuted by the ...
11-8-2018 at 20:05
by: elementcollector1
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