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Tourist/sightseeing places related to chemistry
One day I might get round to visiting Strontian- the only place in the UK with an element named afte ...
19-5-2019 at 01:13
by: unionised
Screwed soap cleaning soln, how to proceed?
[rquote=612901&tid=149962&author=DrScrabs]Yes it is, used .5L of dish washing soap and a rin ...
17-5-2019 at 15:38
by: unionised
Help wanted ... calibrating a 2kg F1 calibration weight.
Just a thought.
Imagine some kind soul offers to weigh your weight for you.
That means posting it ...
16-5-2019 at 13:18
by: unionised
Help wanted ... calibrating a 2kg F1 calibration weight.
[rquote=612619&tid=150069&author=fusso]Isn't sending it to a calibration company faster than ...
15-5-2019 at 11:05
by: unionised
Acetamide toxicity
I guess it's an acetylating agent with similar consequences to an alkylating agent.
14-5-2019 at 10:32
by: unionised
Cleaning Marble
[rquote=612310&tid=150003&author=Frostboi][ Anyways, maybe phenol could work? It won’t cer ...
12-5-2019 at 12:09
by: unionised
Cleaning Marble
[rquote=612304&tid=150003&author=Frostboi]Did you think of putting it in some dilute phospho ...
12-5-2019 at 11:12
by: unionised
Recovering iodine from copper I iodide
[rquote=612288&tid=149980&author=wg48temp9]

The CuI can also be complexed with hexamine t ...
12-5-2019 at 04:57
by: unionised
Screwed soap cleaning soln, how to proceed?
[rquote=612246&tid=149962&author=DrScrabs] I am on the road for the next days so soaking it ...
12-5-2019 at 00:50
by: unionised
Screwed soap cleaning soln, how to proceed?
You are seeking to remove fat from glassware.
How is that different from "washing the dishes"?

S ...
11-5-2019 at 11:19
by: unionised
Determning purity of OTC sodium hydroxide
Do you know that baking powder is not the same as bicarbonate of soda?

Food grade NaHCO3 usually ...
6-5-2019 at 01:53
by: unionised
Determning purity of OTC sodium hydroxide
You can use sodium bicarbonate as a reference material. The stuff they use in cooking is of very hi ...
5-5-2019 at 05:59
by: unionised
Lying With Science
[rquote=611345&tid=149669&author=MrWonderful]Y
If you redraw the graph with a zero base in ...
3-5-2019 at 08:21
by: unionised
Gold is dissolving in hot HCl + H2O2 solution
HCl and H2O2 will generate chlorine and chlorine attacks gold.

29-4-2019 at 11:16
by: unionised
Ethanol + Urea --> Ethyl carbamate?
[rquote=610622&tid=149186&author=Morgan]
"This regrettable medical situation appears to hav ...
28-4-2019 at 12:09
by: unionised
Please give me the most accurate Ksp data
[rquote=610289&tid=148612&author=CharlieA]My bad. I seem incapable of deciphering ambiguous ...
24-4-2019 at 22:29
by: unionised
Notre Dame Smoke
About the only thing the colour tells you is that it's not red lead.
20-4-2019 at 04:48
by: unionised
Removal of Trace H202 from Sulfuric Acid
SO2
20-4-2019 at 02:12
by: unionised
Steam distillation followed by liquid-liquid extraction?
If you can open this
https://pubs.acs.org/doi/abs/10.1021/je990278a?journalCode=jceaax
you can fin ...
15-4-2019 at 10:29
by: unionised
Community Project - Destroy a funnel!
[rquote=608422&tid=147205&author=Tsjerk]It is a powder funnel.[/rquote]
No it's not.
Powde ...
13-4-2019 at 02:10
by: unionised
The Colors of Uranium
Logically, the uranium ore from which the others are made must be the cheapest form in which to buy ...
11-4-2019 at 08:12
by: unionised
Dielectric constant of liquid iodine
I'd expect it to have a very high polarisability, but over 100 seems too high.

It's not going to ...
9-4-2019 at 12:04
by: unionised
Whoosh bottle experiment
"why shouldn't we use glass bottles while plastic works?"
https://en.wikipedia.org/wiki/Shrapnel_sh ...
8-4-2019 at 11:24
by: unionised
Potassium ethoxide
I think commercial KOH may have more water in than commercial NaOH.
7-4-2019 at 08:57
by: unionised
Potassium ethoxide
[rquote=607684&tid=147484&author=Tsjerk]This has been done for sodium ethoxide, there is a v ...
7-4-2019 at 08:11
by: unionised
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