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Is my boiling flask OK?
I successfully used GG17 glass 1000ml rbf and 300mm air condenser (sold as a plain column) to distil ...
6-5-2021 at 08:24
by: Sulaiman
What is this metal?
[rquote=659396&tid=157392&author=zed]Flame test.[/rquote]
+1
5-5-2021 at 07:15
by: Sulaiman
Tubing for condenser hookup?
the 'best' choice of tubing is different for a permanent/long term setup (if you have space)
than w ...
4-5-2021 at 04:29
by: Sulaiman
What is this metal?
Indium ?
4-5-2021 at 04:21
by: Sulaiman
RFNA and Vacuum Distillation of H2SO4
Bumping during sulphuric acid distillation is one of the scariest things I've had happen in this hob ...
29-4-2021 at 04:45
by: Sulaiman
pharma / food grade ethanol - distillation using Hempel column
I'm used to 75mm (3") immersion depth which makes 40mm look wrong to me,
but 40mm is more practical ...
22-4-2021 at 23:21
by: Sulaiman
pharma / food grade ethanol - distillation using Hempel column
nice column, very nice take-off head !

I don't trust alcohol thermometers long term and
maybe im ...
22-4-2021 at 12:04
by: Sulaiman
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
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