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ways to liquidify chlorine at home?
I think it qualifies as one of those experiments that only needed to be done once. The risks from ch ... |
3-9-2017 at 00:25
by: unionised |
Alkyl Chloride preparation without anhydrous zinc chloride?
[rquote=491441&tid=76524&author=Melgar]...The chlorobutane should be the lowest-boiling comp ... |
2-9-2017 at 03:56
by: unionised |
Diluted sulfuric acid dehydration?
I wonder if the difference in availability of ether is due to living in different jurisdictions.
Wo ... |
2-9-2017 at 03:51
by: unionised |
Need microscope w/ 400x minimum
You can get an arbitrarily high magnification, but unless the optical quality is good enough to supp ... |
2-9-2017 at 03:48
by: unionised |
copper chloride synthesis - any free HCl left in solution ?
Incidentally, if you have excess copper, the solution turns clear when all the Cu(II) has been reduc ... |
31-8-2017 at 12:20
by: unionised |
How useful is a soxhlet ?
For some extractions- especially from natural products- there is more to it that just "adding enough ... |
31-8-2017 at 11:36
by: unionised |
Proposed sodium cyanoborohydride synthesis
I'm fairly adventurous as a home chemist, but I draw the line at (or somewhere before ) HCN in the h ... |
27-8-2017 at 09:28
by: unionised |
silver nitrate
AgCl will give silver if you melt it with Na2CO3 |
26-8-2017 at 05:27
by: unionised |
Looking for NO2 scrubber feedback
[rquote=491043&tid=76247&author=Melgar][rquote=490860&tid=76247&author=physics incli ... |
26-8-2017 at 04:33
by: unionised |
Issues with stannous sulfate
How are you sopping the air getting to the tin (II) and oxidising it to stannic oxide? |
23-8-2017 at 09:13
by: unionised |
purification of a lot of NACN
[rquote=490785&tid=76290&author=spankyetal]... Any thoughts. ...
[/rquote]
Don't.
If you ... |
22-8-2017 at 13:15
by: unionised |
Old ether bottle - open under water?
Another answer is to build a bonfire somewhere remote, put the bottle in the middle of it, light the ... |
22-8-2017 at 11:20
by: unionised |
Removing alcohols from nonpolar solvents
CaCl2 will react with amines.
IIRC the "standard" method for hydrolysing amides is to dissolve th ... |
20-8-2017 at 11:27
by: unionised |
Looking for NO2 scrubber feedback
If you pick the wrong amino acid you may get a nitrosamine.
In any event, since the scrubber isn't ... |
20-8-2017 at 07:25
by: unionised |
Removing alcohols from nonpolar solvents
Chloroacetic acid will almost certainly act as an acid.
CaCl2 works for the lower MW alcohols.
W ... |
20-8-2017 at 07:18
by: unionised |
Looking for NO2 scrubber feedback
What sort of vac pump are you using?
Some don't like air that's saturated with water.
Lots of sm ... |
19-8-2017 at 11:33
by: unionised |
Strange element names and codes
Suggesting a change is like saying the the UK will change to driving on the Right hand side of the r ... |
18-8-2017 at 12:02
by: unionised |
Strange element names and codes
Erbium, terbium yttrium and ytterbium are all named after the same place Ytterby.
That's why they h ... |
18-8-2017 at 11:14
by: unionised |
What's your job?
By qualification (and the first 20 odd years of my career, I'm a chemist.
My job title is "knowledg ... |
17-8-2017 at 10:48
by: unionised |
Idea: Driving lithiation reactions forward with molecular seives and Lithium Hydroxide
I rather suspect that LiOH will trash the mol sieve. |
16-8-2017 at 12:15
by: unionised |
Melting fine bismuth powder
If you are feeling brave, sodium hydroxide does the job. |
16-8-2017 at 09:15
by: unionised |
Source of distributed low amount of heat (45 watts over 100ft)
Nice stuff, but you can get a lot of Xmas lights for $1000. |
13-8-2017 at 10:45
by: unionised |
Source of distributed low amount of heat (45 watts over 100ft)
A voltage source with a resistor in series is "sort of" a constant current supply- but not really co ... |
13-8-2017 at 04:25
by: unionised |
in which way could diamond powder/dust be turned solid
In principle it's perfectly simple; you melt the diamond powder the let it cool down and set into a ... |
13-8-2017 at 04:14
by: unionised |
Source of distributed low amount of heat (45 watts over 100ft)
If the temperature rises, the resistance rises.
So the current falls.
With a constant voltage, the ... |
12-8-2017 at 12:07
by: unionised |
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