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Aluminum oxide (sapphire) glassware?
Aluminium oxide is used as a ceramic in lots of things magnetrons (the pink purplish ceramic that do ... |
17-10-2020 at 04:37
by: wg48temp9 |
1,3,3,5-Tetramethyl-1,1,5,5-tetraphenyltrisiloxane
My 704 diffusion pump oil arrived today from Lithuania about one month since it was ordered, £45 f ... |
17-10-2020 at 04:04
by: wg48temp9 |
Oil lock up of rotary vane vacuum pumps
My vacuum pump is a Pfeiffer DUO 2.5 dual stage it frequently will not start. After struggling with ... |
16-10-2020 at 07:03
by: wg48temp9 |
No one will give me experience, so I will make experience myself, starting from the bottom
At one interview for an electronics job the interviewer asked why I thought he should give me a jo ... |
15-10-2020 at 14:40
by: wg48temp9 |
The colour brown is weird
[rquote=646482&tid=156324&author=itsallgoodjames]I don't really see what this has to do with ... |
14-10-2020 at 08:32
by: wg48temp9 |
The colour brown is weird
Here is a curious youtube clip about the weird colour brown actually being
the colour orange.
htt ... |
14-10-2020 at 08:17
by: wg48temp9 |
Leaded glass in light bulbs
[rquote=646406&tid=156306&author=Clear_horizons_glass]So in your experience lead glass requi ... |
13-10-2020 at 14:04
by: wg48temp9 |
Leaded glass in light bulbs
I have examined the glass to metal seals and evacuation tubes of various light bulb. I have also w ... |
12-10-2020 at 18:08
by: wg48temp9 |
Mercury in Canada
[rquote=646297&tid=156300&author=Metallophile][rquote=646287&tid=156300&author=wg48t ... |
12-10-2020 at 07:16
by: wg48temp9 |
Mercury in Canada
[rquote=646275&tid=156300&author=B(a)P]I get 3 mm ones and they have about 0.5 g.
The ones ... |
12-10-2020 at 01:36
by: wg48temp9 |
EMP device for pesky drones
[rquote=646041&tid=156265&author=yobbo II]
Thesis-2008-Sarkar https://repository.lboro.ac.u ... |
8-10-2020 at 08:08
by: wg48temp9 |
Chemical colour references
and a useful file on white balancing algorithms
[file]83604[/file] |
6-10-2020 at 22:46
by: wg48temp9 |
Chemical colour references
[rquote=645928&tid=156268&author=pantone159]Darren L. Williams et. al., 'Beyond lambda-max: ... |
6-10-2020 at 22:26
by: wg48temp9 |
EMP device for pesky drones
[rquote=645876&tid=156265&author=unionised]This has more style...
https://www.bbc.co.uk/new ... |
5-10-2020 at 13:42
by: wg48temp9 |
EMP device for pesky drones
You may be able to do it with a bigish parabolic dish with the magnetron and power supply from a mic ... |
5-10-2020 at 12:53
by: wg48temp9 |
Where does electromagnetic radiation come form?
Its been known for some time from deep mines and bore holes that the ground temperature increases ... |
5-10-2020 at 12:26
by: wg48temp9 |
Flat Flange lid not grounded o-ring
I have cut the bottom of a one gallon demijohn/carboy by the the score, tap and crack method to make ... |
1-10-2020 at 01:24
by: wg48temp9 |
how to get the maximum heat of a wood stove?
In some areas of France they use wood stoves to heat the whole house with a hot air system similar t ... |
27-9-2020 at 23:27
by: wg48temp9 |
Vampire flies
When I was in central Florida if I got a slight scratch in my garden within a minute or two there wo ... |
26-9-2020 at 07:24
by: wg48temp9 |
Should I mention amateur chemistry in college applications?
If you do mention your home chemistry be prepared to explain your experiments in detail and the mech ... |
26-9-2020 at 00:43
by: wg48temp9 |
My synthetic rubies are somewhat impure, how to make cleaner ?
[rquote=645256&tid=156181&author=metalresearcher]The idea of making a kind of pellets is ver ... |
26-9-2020 at 00:16
by: wg48temp9 |
My synthetic rubies are somewhat impure, how to make cleaner ?
Thanks mr. Those ruby nuggets are spectacular. |
22-9-2020 at 13:09
by: wg48temp9 |
My synthetic rubies are somewhat impure, how to make cleaner ?
[rquote=644974&tid=156181&author=metalresearcher]I tried again, but now with a larger pile o ... |
22-9-2020 at 03:12
by: wg48temp9 |
My synthetic rubies are somewhat impure, how to make cleaner ?
[rquote=644906&tid=156181&author=unionised]KNO3 will convert the Cr2O3 to chromate so I can' ... |
21-9-2020 at 04:20
by: wg48temp9 |
My synthetic rubies are somewhat impure, how to make cleaner ?
No I have not experimented making ruby. I have attempted the Verneuil process with sand using an o ... |
21-9-2020 at 00:23
by: wg48temp9 |
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