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Miscellaneous Questions
It's been a while since I've boughten stuff off of eBay, but I remember in the past I got 2 separate ...
17-7-2019 at 00:41
by: Sulaiman
Sublimination?
Condemnation for herecy ... I'm saying that iodine does not sublime at atmospheric pressure :o

If ...
16-7-2019 at 21:35
by: Sulaiman
Sublimination?
[rquote=617752&tid=151967&author=Yttrium2]When moth is smoked it goes from a solid, to a liq ...
16-7-2019 at 21:01
by: Sulaiman
CuCl2+CH3OH+DCM=blue flame?
this looks relevant https://en.wikipedia.org/wiki/Beilstein_test
https://www.youtube.com/watch?v=ZK ...
12-7-2019 at 00:19
by: Sulaiman
Night Vision Project
Like many people, I want night vision (preferably multiple choices of wavelength ranges like 'Predat ...
9-7-2019 at 19:19
by: Sulaiman
why am i getting precipitation?!?!
You can usually estimate the existing micro-nutrient levels by observing which plants grow well, and ...
9-7-2019 at 05:51
by: Sulaiman
Problems with NaCNBH3, weird insoluble inorganic salts
When I started as a repair engineer one of my biggest problems was spending more time determining ho ...
8-7-2019 at 22:10
by: Sulaiman
Best brands of alkaline battery for MnO2
I doubt that you will find much MnO[sub]2[/sub] in a used/depleted cell as it is the depolariser
( ...
8-7-2019 at 21:41
by: Sulaiman
What kind of microscope to judge crystals ect.
some usb microscopes have surprisingly good optics,
the main difficulties (with any microscope) are ...
8-7-2019 at 20:19
by: Sulaiman
Which number you like more: 1.99 vs 2.01?
'unusual' is a very kind word :D

1.99 usually means I get change rather than have to search my po ...
8-7-2019 at 19:45
by: Sulaiman
Best brands of alkaline battery for MnO2
For MnO[sub]2[/sub] I would buy a 6V zinc-carbon lantern battery, inside are four easily separable c ...
8-7-2019 at 19:34
by: Sulaiman
Problems with NaCNBH3, weird insoluble inorganic salts
This level of chemistry is way above my experience but;

1) re-read original and current notes
2) ...
8-7-2019 at 19:17
by: Sulaiman
Accurate temp control with PIDs
I am still confusing you, sorry.

Using a pid controller for maintaining a temperature below b.p. ...
7-7-2019 at 20:06
by: Sulaiman
Accurate temp control with PIDs
[rquote=617033&tid=151684&author=kaymatt]From the rest of your reply it appears that I only ...
7-7-2019 at 10:03
by: Sulaiman
Accurate temp control with PIDs
from experience ;

. the bi-metalic temperature regulators found in most 'temperature controllers' ...
7-7-2019 at 04:22
by: Sulaiman
Snyder as a Fractionating column: valid idea?
"Sun as variac"... please elaborate as Google failed me.

6-7-2019 at 23:37
by: Sulaiman
Latest chemical order?
[rquote=612168&tid=9890&author=RedDwarf][rquote=611598&tid=9890&author=Sulaiman]Alth ...
6-7-2019 at 22:44
by: Sulaiman
Snyder as a Fractionating column: valid idea?
I can't help you put this one to bed as I have neither a Vigreux nor a Snyder colum,
so until a mem ...
6-7-2019 at 18:51
by: Sulaiman
What dimmer to use with Glas-Col heating mantle in Europe
"Because I repair vacuum tube electronics, I have always had a variac on hand to slowly bring up the ...
4-7-2019 at 18:09
by: Sulaiman
KI+HNO3->KIO3 fail?
HNO[sub]3[/sub] is an oxidising acid, the result that you got is the expected one
https://chemiday. ...
4-7-2019 at 01:44
by: Sulaiman
Copper flame test - why does green disappear?
Salt = sodium chloride
sodium gives a very intense yellow flame.

Try cleaning the copper with an ...
3-7-2019 at 20:03
by: Sulaiman
I disagree ...
Although it is 'nice' to have spare capacity,
the load is resistive - the easiest type of load for ...
3-7-2019 at 18:24
by: Sulaiman
I have sent you a U2U message
I've relocated to Shah Alam from UK so my chemistry set needs replenishing.
3-7-2019 at 03:55
by: Sulaiman
@ Housane
Here in UK it is almost impossible to find concentrated sulfuric acid,
maybe you should look for su ...
29-6-2019 at 20:45
by: Sulaiman
Manganese heptoxide in very low concentration
The risks associated with adding water to concentrated sulphuric acid in a small scale environment a ...
29-6-2019 at 20:31
by: Sulaiman
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