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Source of Zinc found
[rquote=611301&tid=149547&author=zed]Zinc?
Current U.S. Pennies are 97.5% Zinc. Copper ... |
3-5-2019 at 11:47
by: vmelkon |
Source of Zinc found
I collected a few of the spark wheels from lighters (the butane kind, disposable lighters).
Like th ... |
1-5-2019 at 10:29
by: vmelkon |
Copper/Lead iodide + HAc = I2?
Is SnCl2 soluble in water? It sounds like it is not since tin is similar to lead or it is only sligh ... |
29-3-2019 at 17:45
by: vmelkon |
Chemistry with terracotta pots - what are some experiments that can be done?
[rquote=594785&tid=139027&author=Ubya]it can be used as cell membrane as you said
boiling s ... |
29-1-2019 at 15:12
by: vmelkon |
KOH
I'm not sure why people are recommending using Ag2O. It is an insoluble oxide and also required othe ... |
1-1-2019 at 10:08
by: vmelkon |
What are the minerals that dissolves in oil?
[rquote=554515&tid=105675&author=kulep]There are many tree species with milky resins, not on ... |
20-11-2018 at 17:17
by: vmelkon |
What are the minerals that dissolves in oil?
Can you be more specific?
You titrated? What chemical did you use?
Milk that comes out of a tree ... |
20-11-2018 at 07:59
by: vmelkon |
My 2 neck flask is broken :(
I was trying to distill some impure H2SO4 and this requires high temperature, even when I reduced th ... |
18-11-2018 at 09:45
by: vmelkon |
Antimony toxicity...??
https://www.epa.gov/sites/production/files/2016-09/documents/antimony-compounds.pdf
Does it give ... |
18-11-2018 at 09:40
by: vmelkon |
Cork withstanding hot HCl & ammonia gas
I make silicone stoppers myself. I make the mold with crayola clay. It looks like they can't resists ... |
12-11-2018 at 13:34
by: vmelkon |
Loose ground glass?
I have mostly Laboy glassware. It is from China.
Also also bought some no name 250 mL 2 neck RBF. I ... |
2-11-2018 at 07:38
by: vmelkon |
"Broken" thermometre
Instead of heating the bulb to make the alcohol rise to the top, couldn't you heat the upper part of ... |
26-10-2018 at 03:50
by: vmelkon |
Aluminium isopropoxide - reaction with water
[rquote=546701&tid=99909&author=Amos]Are you trying to clean the glassware before or after t ... |
26-10-2018 at 03:44
by: vmelkon |
Aluminium isopropoxide - reaction with water
Hello,
I imagine that Aluminium isopropoxide reacts with water and forms 2-propanol + Al(OH)3.
... |
25-10-2018 at 07:44
by: vmelkon |
What can I do with Sulphur Dioxide gas ?
If you bubble SO[sub]2[/sub] in CuSO[sub]4[/sub] solution, I assume you get Chevreuil's salt, which ... |
25-7-2018 at 08:08
by: vmelkon |
Filtering Hydroxide solution
This has been a problem for me as well. Perhaps a bubble popper would help. I would have to build on ... |
10-6-2018 at 19:54
by: vmelkon |
Best way to synthesize K2O
I guess it would mean you need to make metallic potassium.
1. Melt KOH and do electrolysis.
2. Che ... |
5-5-2018 at 22:20
by: vmelkon |
Cooking accusations from my school - story
[rquote=511614&tid=81398&author=j_sum1]Where are your parents in all of this? They should be ... |
22-3-2018 at 07:06
by: vmelkon |
Stephen Hawking Dies
It sucks. Every big name is getting old and dying. Even Bill Nye looks quite a bit old compared to w ... |
22-3-2018 at 05:55
by: vmelkon |
Double check what you buy
I would build a springy metal thing to make contact with the leads. That is what I did to charge a L ... |
12-2-2018 at 12:50
by: vmelkon |
Do you think it is immoral to steal chemicals and equipment?
[rquote=507100&tid=80462&author=Magpie]People take office supplies all the time and justify ... |
12-2-2018 at 09:40
by: vmelkon |
Gold Recovery ten Pentium Pro with Sodium Chlorate - VIDEO
Yes, I had watched a video long ago. He also used sodium hypochlorite and avoided HNO3. I guess the ... |
31-1-2018 at 13:36
by: vmelkon |
Ammonium Tetrachroloroaurate (Water Soluble Noble Metals)
[rquote=505366&tid=80118&author=Fleaker]I mean if dry milling ammonium chloride with gadolin ... |
31-1-2018 at 11:21
by: vmelkon |
Silver from silver plate
[rquote=504022&tid=79710&author=unionised]The big problem is you waste a lot of acid dissol ... |
17-1-2018 at 16:28
by: vmelkon |
Silver from silver plate
React with nitric acid to get a salt solution. If there is iron or similar element, the Ag+ ions wou ... |
16-1-2018 at 09:28
by: vmelkon |
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