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Alaska Placer Gold Dissolved With Sodium Chlorate - VIDEO
[rquote=496880&tid=78108&author=barbs09]Hello, I suspect that despite potassium chlorate bei ... |
9-11-2017 at 05:02
by: LearnedAmateur |
Piperine extraction question
After a particularly long work up, I.E. having left the various stages of processing for up to a cou ... |
9-11-2017 at 04:14
by: LearnedAmateur |
Unidentified gunk on sodium in white spirit
The substance dissolves somewhat in water, turning to a light, cloudy yellow solution. With pH paper ... |
9-11-2017 at 03:16
by: LearnedAmateur |
reuse of HDPE pesticide jugs
Basically all my reagent bottles are HDPE. Sulphuric acid, toluene, sodium hydroxide, 40% formic aci ... |
9-11-2017 at 01:55
by: LearnedAmateur |
Purification of UK standard denatured spirits?
I'm just thinking because the ethyl nitrite is a gas whereas isopropyl nitrite is a liquid at room t ... |
7-11-2017 at 13:35
by: LearnedAmateur |
Purification of UK standard denatured spirits?
Possibly a novel route, but a mixture of ethanol and isopropyl alcohol can be separated via conversi ... |
7-11-2017 at 12:28
by: LearnedAmateur |
Working with old TNT
When they used to make TNT based bombs to be dropped from aircraft, manufacturers literally just pou ... |
7-11-2017 at 06:11
by: LearnedAmateur |
Unidentified gunk on sodium in white spirit
I've just dug out my chunk of sodium to give it a little inspection and I thought I'd ask to see wha ... |
6-11-2017 at 17:12
by: LearnedAmateur |
When Chemistry Goes Wrong
Several months ago I was playing with some sodium metal, first thing that came to mind was the addit ... |
6-11-2017 at 11:45
by: LearnedAmateur |
Safety and disposal of potassium fluoride
HF has a pKa of 3.17, the first pKa of citric acid is 3.13 so it isn't suitable. Acetic acid's pKa i ... |
6-11-2017 at 09:16
by: LearnedAmateur |
Purifying NaOH
Methanol reacts to form sodium methoxide which is freely soluble in methanol. Assuming you only have ... |
5-11-2017 at 12:10
by: LearnedAmateur |
Purifying denaturated alcohol
Whatever you do to the ethanol, you'll also do to the methanol present (although if your formulation ... |
5-11-2017 at 04:15
by: LearnedAmateur |
Noticing Things that Happen All the Time
Yeah, I mean the water will be saturated with gas so it'll deposit at any nucleation site available, ... |
4-11-2017 at 11:34
by: LearnedAmateur |
Vacuum pump protection
My opinion would be that at least three of the jars contain distilled water, diluted (30-50%?) sulph ... |
4-11-2017 at 11:17
by: LearnedAmateur |
Noticing Things that Happen All the Time
I think it's just oxygen bubbles (hydrogen too if it can form a strong enough dipole to dissolve in ... |
4-11-2017 at 09:48
by: LearnedAmateur |
Advice for a 15 year old interested in amateur chemistry?
[rquote=496405&tid=77841&author=Tetra][rquote=496362&tid=77841&author=VSEPR_VOID] I ... |
4-11-2017 at 07:05
by: LearnedAmateur |
filtering dirty concentrated sulfuric acid
Diatomaceous earth should work, although I think that pure silica/crushed silica gel powder would be ... |
3-11-2017 at 21:33
by: LearnedAmateur |
How to synthesize cetyl chloride
Lucas' reagent (equimolar conc. HCl + ZnCl2) can be used to chlorinate alcohols. As already mentione ... |
3-11-2017 at 12:24
by: LearnedAmateur |
PP cone lined or PTFE cap for HCl
They should all be fairly resistant to chemical attack - I know polypropylene and Teflon easily hand ... |
31-10-2017 at 03:51
by: LearnedAmateur |
Retort for sulphuric acid distillation?
[rquote=496070&tid=77905&author=j_sum1]I'm no expert on this one LA, but I believe [u]it is ... |
31-10-2017 at 03:14
by: LearnedAmateur |
Retort for sulphuric acid distillation?
Welcome to the forums. Simply closing off the retort with a glass stopper should do the job, there a ... |
30-10-2017 at 16:12
by: LearnedAmateur |
Lithium Storage problem
Since there seems to be a small misunderstanding from what I've read (not to anyone in particular), ... |
30-10-2017 at 14:01
by: LearnedAmateur |
Lithium Storage problem
Whoops, yes, I didn't account for the lower density since my sodium sinks in WS. Your best bet there ... |
29-10-2017 at 13:11
by: LearnedAmateur |
filtering dirty concentrated sulfuric acid
That's a lot for a fritted filter.. I paid £10 for a 60mL filter with integrated vacuum port, shipp ... |
29-10-2017 at 12:57
by: LearnedAmateur |
TLC solvent system for Tea and Coffee?
Pure ethanol is quite hard to get if not ordering small quantities online, it tends to be 95% with w ... |
29-10-2017 at 08:02
by: LearnedAmateur |
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