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Ammonium formate from Ammonium chloride
I'm fairly sure that mixing solutions of sodium formate and ammonium chloride in wet methanol would ...
14-11-2019 at 13:31
by: unionised
Selectively complexing copper at low pH
Iodide.

Drop the copper out of solution as CuI

There are 2 ways to look at it.
Either just a ...
7-11-2019 at 13:39
by: unionised
Mercury/HNO3 incident
Shake the solution with some wire wool- which is cheap.
That will reduce the mercury to the metal a ...
2-11-2019 at 05:02
by: unionised
Mercury/HNO3 incident
[rquote=625306&tid=154259&author=DavidJR]I would distill off most of the nitric acid before ...
31-10-2019 at 13:04
by: unionised
Why some compounds may disappear in TLC?
Other possibilities are oxidation or hydrolysis catalysed by SiO2
30-10-2019 at 01:08
by: unionised
Distilled, De-ionised or Tap water?
[rquote=625002&tid=154218&author=AJKOER]To all, Unionised apparently does not approve of my ...
26-10-2019 at 08:09
by: unionised
Distilled, De-ionised or Tap water?
[rquote=624938&tid=154218&author=AJKOER]If you are running a chlorine bleach based task/expe ...
26-10-2019 at 04:15
by: unionised
PTFE filters? What are they for?
You can make life easier by pre-wetting the filter with a little methanol or acetone before trying t ...
23-10-2019 at 10:01
by: unionised
high sensitivity low explosives
[rquote=624786&tid=154209&author=Alkoholvergiftung]The first Primary was an mix of Sulfur Po ...
23-10-2019 at 09:59
by: unionised
silicon carbide from old abrasive paper ("sand" paper)
[rquote=624617&tid=154195&author=Boffis]what more could you want?[/rquote]
The satisfaction ...
19-10-2019 at 04:35
by: unionised
Obtaining pure hydrochloric acid
[rquote=624590&tid=154136&author=AJKOER][rquote=624587&tid=154136&author=unionised]
...
19-10-2019 at 03:45
by: unionised
Obtaining pure hydrochloric acid
[rquote=624560&tid=154136&author=AJKOER]

So to be clearer for those with low reading comp ...
18-10-2019 at 09:49
by: unionised
Obtaining pure hydrochloric acid
[rquote=624542&tid=154136&author=AJKOER]

My prior cited path (see https://www.sciencemadn ...
17-10-2019 at 10:11
by: unionised
Dumb question about the Knoevenagel reaction
I'm fairly sure that's a Henry reaction
https://en.wikipedia.org/wiki/Henry_reaction
13-10-2019 at 01:29
by: unionised
Graph info to find correlation
[rquote=624224&tid=154154&author=Yttrium2]Lets say I want to make a graph

x axis is amoun ...
12-10-2019 at 09:21
by: unionised
Ideas to run a chromathography column (menthol / camphor)
Both materials smell.
So, it's pretty clear that they both sublime.

You might be able to separat ...
12-10-2019 at 07:06
by: unionised
Obtaining pure hydrochloric acid
[rquote=624060&tid=154136&author=RogueRose] Does the temp of the receiver greatly effect ho ...
6-10-2019 at 12:28
by: unionised
Obtaining pure hydrochloric acid
If you want to "regenerate" ion exchange resins used for water softening you do it by running HCl th ...
6-10-2019 at 01:04
by: unionised
Sodium silicate and boric oxide together.good idea or not?
Unless you make a graded joint, it's still going to break when the temperature changes.

What are ...
3-10-2019 at 10:46
by: unionised
Make Cobalt Chloride from Cobalt Metal?
Dissolutions of carbonates in acid are often endothermic.
1-10-2019 at 12:13
by: unionised
Sodium silicate and boric oxide together.good idea or not?
[rquote=623862&tid=154120&author=draculic acid69]I want to join a pyrex tube to a soda glass ...
1-10-2019 at 11:35
by: unionised
Making ultramarine
Is it just me who thinks this synthesis- while well documented- is as fishy as Grimsby?
While the m ...
30-9-2019 at 13:18
by: unionised
Make Cobalt Chloride from Cobalt Metal?
The excess HCl is volatile.
Just leaving the solution somewhere warm would drive it off, however th ...
29-9-2019 at 10:10
by: unionised
Making ultramarine
[rquote=623755&tid=154089&author=rockyit98]@Arcaeca

you need to invest in electric kiln. ...
29-9-2019 at 07:46
by: unionised
remove ion pairing reagent after pre-HPLC my products
[rquote=623400&tid=154069&author=DavidJR]Best approach would be to come up with a HPLC metho ...
23-9-2019 at 12:15
by: unionised
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