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True Vacuum Pump vs. Water Aspirator
For the perpetual discussions on vacuum pumps, a few points to consider ;
1) the most common use ... |
18-10-2019 at 18:56
by: Sulaiman |
Vigreux column: 200mm vs. 300mm
[rquote=624582&tid=154163&author=B.D.E]... How about Copper mash?
https://ebay.com/itm/Ferm ... |
18-10-2019 at 05:29
by: Sulaiman |
Vigreux column: 200mm vs. 300mm
[rquote=624576&tid=154163&author=B.D.E]...do you think I can just use 6mm clear glass beads ... |
18-10-2019 at 04:19
by: Sulaiman |
Would square filter housing work instead of round ones?
If vacuum (reduced pressure) is envisioned then flat surfaces will not be as strong as curved surfac ... |
18-10-2019 at 04:09
by: Sulaiman |
Cleaning a florence flask
[rquote=624554&tid=154189&author=Heptylene]Put table sald inside the flask and shake it arou ... |
17-10-2019 at 18:23
by: Sulaiman |
Obtaining pure hydrochloric acid
[rquote=624041&tid=154136&author=Murexide]... Just realised that I have no way of detecting ... |
17-10-2019 at 04:59
by: Sulaiman |
Mass and Weight
The tolerance of a 200g F1 weight is 1mg so I doubt that fingerprints will cause out of tolerance ca ... |
15-10-2019 at 16:28
by: Sulaiman |
Mass and Weight
I am uploading to YouTube some un-edited videos of me testing some generic (cheap Chinese via eBay) ... |
14-10-2019 at 16:30
by: Sulaiman |
Aluminum Purification
I thought that the aluminium used to make foil is an alloy,
but after reading the above I did a lit ... |
13-10-2019 at 20:19
by: Sulaiman |
How to deal with waste?
There are many threads on this topic here on SM,
the general principles are;
. choose reaction p ... |
13-10-2019 at 19:20
by: Sulaiman |
pH measurement tool?
What do you consider to be precise ?
(+/- 0.1 pH, +/- 0.01pH etc.)
I bought two cheap digital +/ ... |
13-10-2019 at 16:39
by: Sulaiman |
Brand new JJ-1 Over Head Laboratory Mixer speed cntrol not working... Help diagnosing problem please?
A new one is not too expensive
e.g. https://www.ebay.co.uk/itm/WX110-010-2-2K-2K2-1W-6mm-Metal-Shaf ... |
13-10-2019 at 03:59
by: Sulaiman |
Bad days in the lab or with glassware?
Does the beaker have 'PYREX' or 'pyrex' on it ?
'PYREX' is borosilicate, 'pyrex' is toughened sod ... |
12-10-2019 at 17:08
by: Sulaiman |
Brand new JJ-1 Over Head Laboratory Mixer speed cntrol not working... Help diagnosing problem please?
Get a refund or replacement !
You are covered by Amazon policy - including p&p.
Do not mess ... |
12-10-2019 at 16:54
by: Sulaiman |
Vigreux column: 200mm vs. 300mm
I agree with CharlieA - even though I do not have a Vigreux column.
I've only used Hempel columns ... |
12-10-2019 at 16:41
by: Sulaiman |
Burnt hotplate cord
Based on the photograph, I would just wrap some pvc tape over the melted area and not worry about it ... |
8-10-2019 at 20:02
by: Sulaiman |
Who else is a chemistry major with a perilous future
Things have changed significantly since I got my B.Sc. (electrical & electronic engineering) in ... |
5-10-2019 at 03:32
by: Sulaiman |
Making Pinchbeck Brass
[rquote=623639&tid=81819&author=elementcollector1]...However, having rewatched the video aga ... |
27-9-2019 at 00:05
by: Sulaiman |
speculation;
PbO needs reduction to get Pb
the outer part of an air-hydrocarbon flame is oxidising,
the inner ... |
26-9-2019 at 09:52
by: Sulaiman |
Heating mantle blew up WTF!!!!!
[rquote=623526&tid=152050&author=draculic acid69]Picture below is the type of thyristor I'm ... |
26-9-2019 at 01:47
by: Sulaiman |
Making Pinchbeck Brass
[rquote=518911&tid=81819&author=MrHomeScientist]I made a video on my alloying exploits: http ... |
25-9-2019 at 23:03
by: Sulaiman |
Heating mantle blew up WTF!!!!!
The dimmer controllers that I have bought, as well as the main potentiometer also have a small prese ... |
25-9-2019 at 03:52
by: Sulaiman |
combine two microwave ovens in to one furnace
No, your diagram shows the phase of one of the secondaries reversed,
I am suggesting reversing the ... |
24-9-2019 at 07:38
by: Sulaiman |
combine two microwave ovens in to one furnace
Why not wire two magnetrons as normal (diode cathode to ground)
and just reverse the connections to ... |
24-9-2019 at 02:04
by: Sulaiman |
Gas Phase Reactor.
200[sup]o[/sup]C is just ok for a cooking oil bath and a ptfe stirbar,
the flask may be scratched a ... |
23-9-2019 at 17:27
by: Sulaiman |
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