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Some Chemistry Questions
Volitox:

You may be interested in the following:

[file]69472[/file]

From [file]69474[/file ...
19-7-2018 at 08:00
by: wg48
Bad elements from ebay again
I ordered 2.5kg of sodium bisulphate from ebay UK £13 including postage, a good price (and just £1 ...
19-7-2018 at 07:51
by: wg48
Ostwald reactor from platinized silica wool
[rquote=524451&tid=84800&author=WGTR]
The trick is also to pick a substrate that will effec ...
19-7-2018 at 04:01
by: wg48
Anyone ever cured PTFE with a heat gun?
Sidmadra:

I think you are correct several of those links state pure PTFE partcles can sinter. Cur ...
16-7-2018 at 16:00
by: wg48
Anyone ever cured PTFE with a heat gun?
[rquote=524215&tid=84905&author=unionised]Be careful.
https://en.wikipedia.org/wiki/Polymer ...
16-7-2018 at 14:06
by: wg48
Anyone ever cured PTFE with a heat gun?
No I have not tried to melt or sinter my PTFE powder as the literature on the subject suggests heat ...
16-7-2018 at 13:41
by: wg48
Anyone ever cured PTFE with a heat gun?
I purchased some micron sized powdered PTFE to coat poorly fitting male ground glass joints. Its ava ...
16-7-2018 at 10:14
by: wg48
Winding flyback secondary?
Roguerose:

First some brief relevant transformer theory.

The more copper in a transformer the ...
13-7-2018 at 04:23
by: wg48
Magnet oh hotplate stirrer - does it loose stength when hot?
[rquote=523497&tid=84512&author=MJ101]
You might want to consider electro-magnets to run th ...
12-7-2018 at 12:52
by: wg48
Winding flyback secondary?
[rquote=523634&tid=83533&author=A Fresh Lunatic]You may all be interested in this small boo ...
11-7-2018 at 06:54
by: wg48
Looking for Long Chain Alcohols or Ketones
Cetostearyl Alcohol from ebay uk £11/kg.
9-7-2018 at 02:10
by: wg48
iodine-silica gel bond
Vanry:

If you must post huge pics make them an attachment instead of inserting them.
See one of ...
7-7-2018 at 17:56
by: wg48
Flame while making sodium metaphosphate
[rquote=523311&tid=84486&author=unionised]How did you not expect an acid to react with the s ...
7-7-2018 at 05:16
by: wg48
Flame while making sodium metaphosphate
[rquote=523301&tid=84486&author=Foeskes]It still doesn't explain the visible flame though. [ ...
7-7-2018 at 00:45
by: wg48
Bad days in the lab or with glassware?
[rquote=522036&tid=24908&author=Magpie]Seeing a wisp of smoke rising from your stepper motor ...
2-7-2018 at 23:48
by: wg48
Diamond based polymer.
Your welcome.

You should check out the sci hub thread it may be [b]very[/b] usefull for you.
30-6-2018 at 23:45
by: wg48
Powdered Silica gel for liquid chromatography
[rquote=523018&tid=84452&author=RogueRose]I am going to try my first experiment with TLC and ...
30-6-2018 at 23:40
by: wg48
Diamond based polymer.
[rquote=523005&tid=84450&author=clearly_not_atara]https://onlinelibrary.wiley.com/doi/abs/10 ...
30-6-2018 at 22:30
by: wg48
Everyday Chemistry (provisional)
[rquote=522309&tid=84298&author=mayko]restarting this thread; hopefully it will be merged wh ...
28-6-2018 at 13:28
by: wg48
Green's function
[rquote=522905&tid=84343&author=roXefeller]So I had a chance to write down the finite differ ...
28-6-2018 at 05:41
by: wg48
Green's function
[rquote=522850&tid=84343&author=roXefeller]

Do you really leave inductance out of your ...
28-6-2018 at 03:39
by: wg48
Green's function
roXefeller:

While swotting up on RC transmission lines I found a paper that calculates the step r ...
26-6-2018 at 05:12
by: wg48
Rotary joints for rotovap - what do they look like?
[rquote=522579&tid=84377&author=RogueRose]I've been looking at some of the pictures of rotov ...
24-6-2018 at 05:09
by: wg48
Green's function
Its standard nomenclature in transmission line theory to refer to the movement of disturbances as th ...
24-6-2018 at 04:51
by: wg48
Green's function
Apparently diffusion in 1D can be modelled by a RC transmission line. Which means a step function in ...
23-6-2018 at 01:08
by: wg48
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