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On the practical use of piranha solution
For a 5l rbf, a H[sub]2[/sub]O[sub]2[/sub] + HCl solution will clean most stains,
no need for 5l of ... |
21-4-2021 at 09:02
by: Sulaiman |
Trying to get potassium permanganate out of solution, keeps turning to MnO2
I recently had a go at recrystalising commercial potassium permanganate,
boiling the solution will ... |
17-4-2021 at 05:08
by: Sulaiman |
Tubing for condenser hookup?
pvc tubing is cheap and works well.
One problem I find is that (plasticised, clear) pvc tubing stic ... |
16-4-2021 at 14:07
by: Sulaiman |
why still lead in paints that are labeled "Lead Safe" ?
lead occurs naturally in soil, 15 to 40 ppm,
https://ag.umass.edu/soil-plant-nutrient-testing-labor ... |
3-4-2021 at 03:31
by: Sulaiman |
24/40, 24/29, 29/32, what is the best?
Random ramblings...
. https://en.wikipedia.org/wiki/Ground_glass_joint
. There is no glassware si ... |
28-3-2021 at 17:56
by: Sulaiman |
Condenser overpowering and joint size?
Would an anti-splash/bump head/adapter be worthwhile?
https://www.google.com/search?q=anti-splash/ ... |
26-3-2021 at 23:42
by: Sulaiman |
Quickly drying mineral oil or storing sodium without mineral oil?
you could use a small sacrificial amount of sodium to dry the oil
then add your nice sample |
26-3-2021 at 23:38
by: Sulaiman |
Correct position of thermometer in Claisen adapter
I agree with your supplier,
and you should 'calibrate' your thermometer in the position that you wi ... |
25-3-2021 at 19:01
by: Sulaiman |
Condenser overpowering and joint size?
why do you need a rapid boiling for refluxing ?
would it not be sufficient to operate at a lower bo ... |
25-3-2021 at 14:52
by: Sulaiman |
Homemade and Repurposed Lab Gear
[rquote=655736&tid=61783&author=Piroz]... powered with garbage bag. [/rquote]
If you get ti ... |
25-3-2021 at 04:16
by: Sulaiman |
Induction heater with non-inductive vessel and added plate?
[rquote=656079&tid=157137&author=Fyndium]Can you use for example plastic vat with induction ... |
10-3-2021 at 03:24
by: Sulaiman |
Seporatory funnel, please advise
I have not bought a sep. funnel yet
but if I do I would get one with ground joints top and bottom ... |
10-3-2021 at 03:17
by: Sulaiman |
Hand vs. NaK
I enjoy your videos - subscribed and liked
A face shield is a good idea. |
9-3-2021 at 01:52
by: Sulaiman |
Making a lab stand/rack setup - what is a good design?
One more reason to have lots of headroom where your clamps are :
50ml Burette + beaker + stirrer = ... |
9-3-2021 at 01:11
by: Sulaiman |
Mystery Glassware Identification Thread
I don't know what it is but I want one!
I think that it is a part of this apparatus https://youtu ... |
7-3-2021 at 05:46
by: Sulaiman |
Disposal of sulfuric drain opener
Wind can come from different directions,
you may find that quite a powerful fan is needed to guara ... |
28-2-2021 at 02:27
by: Sulaiman |
Making a lab stand/rack setup - what is a good design?
I suggest a minimum space of 5" / 125mm between your vertical rods and the rear wall,
to allow com ... |
26-2-2021 at 23:18
by: Sulaiman |
Very pure sulfur without recrystallization
[rquote=655440&tid=157081&author=vano]... It has white colour, it think it is very pure and ... |
24-2-2021 at 06:45
by: Sulaiman |
Acquisition and use of non-lab molecular sieves for solvent drying
I bought cheap '3A' molecular sieves via eBay
for drying ethanol,
first use I got a lot of dust s ... |
20-2-2021 at 03:33
by: Sulaiman |
EDIT : Ignore this post ... I am dumb
Just an idea with assumptions;
. the electrolyte in the gas generator / electrolyzer will be almost ... |
17-2-2021 at 08:28
by: Sulaiman |
Sand baths
Open flames provide an obvious ignition source,
but the surface of a hotplate heating a sand bath w ... |
17-2-2021 at 02:59
by: Sulaiman |
Pretty Pictures (2)
[rquote=655000&tid=26378&author=Piroz]Manganese sulfate crystal. [/rquote]Beautiful !
How ... |
15-2-2021 at 01:16
by: Sulaiman |
The Short Questions Thread (4)
A few choices :
https://www.google.com/search?q=Nitrate+ferrous+sulphate+titration&tbm=isch& ... |
13-2-2021 at 17:12
by: Sulaiman |
Caution when bottling aerosol contents
You were probably lucky that the propellant was butane
because most glass bottles (and their caps) ... |
13-2-2021 at 16:58
by: Sulaiman |
What happened to my potassium permanganate ?
Some re-crystallised potassium permanganate
[file]86792[/file]
I left the KMnO[sub]4[/sub] cr ... |
11-2-2021 at 17:48
by: Sulaiman |
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