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Lethal dose of mercuric nitrate

You can get an idea of mercury vapour rising from metal from this link. ...
18-9-2021 at 03:57
by: yobbo II
Transporting Glassware by Car - Melt Styrofoam for Custom Molds?

You could try 'builders expanding foam'. Not too cheap though. You will have to wrap the glass ...
3-9-2021 at 13:28
by: yobbo II
chemiluminescence from decaying stick

It could be 'willow the wisp' if there was a lot of P, like a rotting animal in a marsh.
But th ...
26-8-2021 at 06:58
by: yobbo II
chemiluminescence from decaying stick

Thanks for replys.

I checked for the glow today, about 9 days after I first noticed it, an ...
20-8-2021 at 04:41
by: yobbo II
chemiluminescence from decaying stick

The glow was in the UK around Manchester latitude.
18-8-2021 at 13:08
by: yobbo II
chemiluminescence from decaying stick

I was walking in the dark when I seen a glowing object. Picture attached.
The light in the ...
11-8-2021 at 15:59
by: yobbo II
Science Madness Mug

Just thought I'd mention it.
Yiz are way behind the curve on this one.

http://www.sciencemadn ...
28-7-2021 at 15:21
by: yobbo II
First yield of KClO3 from my cell

Green is all the rage nowadays!

Has anyone noticed MMO passivating in non pH controlled cells ...
1-7-2021 at 05:13
by: yobbo II
First yield of KClO3 from my cell

The Chlorates and Perchlorates page ...
30-6-2021 at 06:05
by: yobbo II
Chemically resistent pump

Using vacuum or compressed air is not an option since the system already depends on an air ...
14-6-2021 at 15:19
by: yobbo II
How to make manganese dioxide electrodes

Grade one, two, three or four will be OK.

Grade 11 if you want to go as far from getto as possi ...
2-6-2021 at 15:17
by: yobbo II
Testing Quartz Wool vs Borosilicate Wool

If you make a blob of quartz glass with some wool then you will get a better idea of its melting ...
27-5-2021 at 04:02
by: yobbo II
Electrolysis Chamber

Buy some gouging rods (carbon) for the + electrode (anode) just about any metal will do the cath ...
19-5-2021 at 16:29
by: yobbo II
Chlorate cell heating

Thanks for replys.
I am not too sure what delta I am looking for!

I suppose the question I am ...
17-5-2021 at 15:28
by: yobbo II
Chlorate cell heating
Thanks for reply.

Yes, it is Delta H I was looking for as explained here (from the net)

Upda ...
15-5-2021 at 16:23
by: yobbo II
Chlorate cell heating

Can anyone comment on the delta E (energy) associated with reaction C in the attached picture. R ...
14-5-2021 at 15:08
by: yobbo II
wall wart as power supply for electrolysis

Gonna need a bigger wart...

[Edit ...
14-5-2021 at 15:05
by: yobbo II
Candle Wax Water Explosion Experiment Explantion required

Is the whole thing similar to why you should never put water on a pan of (cooking) oil that is on ...
7-5-2021 at 16:00
by: yobbo II
Shaded pole speed controller for magnetic stirrer

Shaded pole motor speed controller in attached patent.
No electronics involved. Just a flux 'shor ...
19-4-2021 at 16:49
by: yobbo II
intent to possess 30 ml methylmercury = 12 yrs prison

Women to man on bus.
Get out of my way you big ooof. If you were my husband I'd poison you.
M ...
9-4-2021 at 17:51
by: yobbo II
The Sciencemadness Index

“Solubilities of Inorganic and Organic Compounds

Also the solubility data series ...
2-4-2021 at 16:07
by: yobbo II
Demonstrations about the science of plastics

A test done years ago for the hardness of certain plastics using pensils I can remember.

A set ...
2-4-2021 at 16:04
by: yobbo II
Low resistance electrolytic cell divider

You can obtain a glazed tile and rub off the glaze using an 'angel grinder' or some sort of abrasi ...
26-3-2021 at 18:14
by: yobbo II
Magnifying loop for mounting on glasses or your head

Original question was:

Dental loupes are descibed as 2.5x 3.5x etc.
Cheap reading glasses ar ...
25-3-2021 at 12:17
by: yobbo II
Thoughts On Anodes
The Lead Dioxide bed is somewhat similar an Anode make my G. Pinkston long time ago.
http://www.chl ...
25-3-2021 at 12:12
by: yobbo II
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