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modifying a microwave for extractions
One problem with using a standard microwave oven for heating solutions is the on off power control ... |
12-11-2016 at 05:15
by: wg48 |
Ruby red manganese sulphate ???
Just a quick up date.
I have very carefully washed my battery gunk with distilled water several t ... |
11-11-2016 at 18:45
by: wg48 |
Polishing scratches from a microscope lens?
I suggest you clean the lens first.
If you still think repolishing is the way to go try it first ... |
11-11-2016 at 17:51
by: wg48 |
Measuring very high temperature
yobbo II:
You can get the S type here
www.omega.co.uk/S_Type_Thermocouples‎
0800 488488
Hu ... |
10-11-2016 at 16:55
by: wg48 |
Measuring very high temperature
Calibration using the melting point of relatively inexpensive metals (not Pt) is complicated by the ... |
10-11-2016 at 04:58
by: wg48 |
Thomas 2107 diaphragm pump
My filter pumps valves were leaking limiting the vaccum and slowing down filtering. So I dismantled ... |
9-11-2016 at 15:37
by: wg48 |
unknown crystals
I got round to testing the crystals.
I removed about 50mg from the copper item.
The fresh surfac ... |
9-11-2016 at 15:08
by: wg48 |
washing versus filtering
I extracted about 0.5L of black gunk from several dry cells.
I then washed the gunk by shaking it v ... |
7-11-2016 at 18:57
by: wg48 |
Copper Hydroxide Problem
I have never noticed Cu(2)OH2 decomposing though I have only seen it on the way to other reactions.
... |
7-11-2016 at 07:51
by: wg48 |
Carbon Foam Refractory Made From Bread
[rquote=466096&tid=70570&author=unionised]
It dissolves enough to make the solution quite ... |
6-11-2016 at 04:53
by: wg48 |
Carbon Foam Refractory Made From Bread
If the bread is very dry before carbonization does it still distort durring carbonization.
If you ... |
6-11-2016 at 04:00
by: wg48 |
Carbon Foam Refractory Made From Bread
[rquote=466074&tid=70570&author=unionised]Interesting topic.
It reminds me of my failed att ... |
5-11-2016 at 08:03
by: wg48 |
Which vacuum pump ?
[rquote=466067&tid=70686&author=metalresearcher]snip
But no description of a pump tells the ... |
5-11-2016 at 07:44
by: wg48 |
Transparent PTFE
Sigma Aldrich apparently sell very glass looking PTFE Raschig rings.
[file]54601[/file]
They h ... |
4-11-2016 at 03:43
by: wg48 |
Carbonate test for neutrons
There are heroic experiments that detect some particles with apparently improbable transmutation met ... |
4-11-2016 at 02:59
by: wg48 |
Refractory with flour or saw dust incorporated?
Saw dust seems perfect for producing a low density insulation after the insulation is fired. The gra ... |
4-11-2016 at 02:06
by: wg48 |
unknown crystals
[rquote=465902&tid=70620&author=Boffis]In the presence of a trace or air or other oxidizing ... |
3-11-2016 at 04:09
by: wg48 |
2,4-DNPH in schools - overreaction
Wow the BBC news gave a detailed explanation of the DNPH in the UK school incident with a picture of ... |
2-11-2016 at 10:16
by: wg48 |
unknown crystals
[rquote=465773&tid=70620&author=Metacelsus]Copper oxychloride, perhaps?[/rquote]
The copp ... |
2-11-2016 at 09:26
by: wg48 |
Carbonate test for neutrons
Maroboduus: Actually you would not need a large hydrogen bomb a small neutron bomb would do it more ... |
2-11-2016 at 08:38
by: wg48 |
unknown crystals
I left some metal items (steel and copper mostly) in dilute HCl and Forgot about them for months. I ... |
2-11-2016 at 05:16
by: wg48 |
Carbonate test for neutrons
Metacelsus: I thought the blanket generated and moderated the neutrons from the beta. Don't you get ... |
2-11-2016 at 03:23
by: wg48 |
Carbonate test for neutrons
Thanks careysub I have corrected my error. |
1-11-2016 at 10:16
by: wg48 |
Carbonate test for neutrons
Your welcome j sum.
Perhaps its surprising that radioactivity was detected more than 100 years ag ... |
1-11-2016 at 07:19
by: wg48 |
Carbonate test for neutrons
You probably don't want to be in the same room or even house of a neutron source that is powerful e ... |
1-11-2016 at 04:05
by: wg48 |
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