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Distinguishing between coatings and surface treatments
It looks like a casting. The grey coloured surface looks like an as cast surface meaning no treatmen ...
19-4-2021 at 03:28
by: wg48temp9
Carbon Disulfide from sulfur and charcoal
[rquote=657907&tid=10564&author=metalresearcher]I tried it this morning by putting S + C pow ...
11-4-2021 at 11:32
by: wg48temp9
Making a highly effective aspirator recirculation pump
[rquote=657822&tid=157271&author=monolithic]Most aspirators need 6-8 liters/minute flow rate ...
9-4-2021 at 22:20
by: wg48temp9
Making a highly effective aspirator recirculation pump
I have repaired and/or dismantled several high pressure washers. They all had inductions motors in t ...
9-4-2021 at 10:34
by: wg48temp9
perfluoro sulphonic acid synthesis?
Apparently 1,3,3,3-Tetrafluoropropene is available as a freeze spray in the UK and probably in other ...
20-3-2021 at 21:51
by: wg48temp9
Fumaric acid synthesis question
minerals-water.ltd a UK supplier sells it on ebay uk and in their internet shop.
£20 for 250g free ...
6-3-2021 at 04:40
by: wg48temp9
What is the difference between flash chromatography and dry chromatography?
I have looked up what the difference between dry vacuum chromatography and flash chromatography is. ...
6-3-2021 at 04:19
by: wg48temp9
PABA > Aniline
Below is a link to the first page of a 1963 article describing the decarboxylation of molten PABA an ...
4-3-2021 at 10:58
by: wg48temp9
What is a realistic output for an ozone generator?
Below are some ozone generation efficiencies in g/kWh input power.

"At present, the typical comme ...
3-3-2021 at 09:00
by: wg48temp9
Joining metal vessels to ground glass?
[rquote=655415&tid=157075&author=unionised]There's the beautiful, but fiddly Housekeeper sea ...
23-2-2021 at 16:51
by: wg48temp9
Joining metal vessels to ground glass?
To avoid differential expansion and contraction problem a flat flanged joint or a ball and socket jo ...
23-2-2021 at 01:34
by: wg48temp9
The Short Questions Thread (4)
Just in case someone gets the wrong idea, there is none of the usual click bate or storm of ads or ...
23-2-2021 at 01:02
by: wg48temp9
fluoresceine 113g for only £6.30
Below are some images of the self quenching effect of the fluorescence at high concentration of flu ...
10-2-2021 at 09:38
by: wg48temp9
fluoresceine 113g for only £6.30
I checked the safety note before I purchased it, that suggests its not cut with anything.

After ...
9-2-2021 at 03:15
by: wg48temp9
fluoresceine 113g for only £6.30
Water tracing dye available from TOOLSTATION. Probably the sodium salt.
28-1-2021 at 09:45
by: wg48temp9
magnesium aluminate refractory up to 1800C.
So I decided to try a small pile of my 400 mesh silicon carbide between two wires connected to abo ...
28-1-2021 at 05:14
by: wg48temp9
magnesium aluminate refractory up to 1800C.
[rquote=653248&tid=156911&author=rockyit98][rquote=653245&tid=156911&author=wg48temp ...
22-1-2021 at 05:16
by: wg48temp9
magnesium aluminate refractory up to 1800C.
If you are going to coat the refractory with a microwave absorber to form the heating element, what ...
16-1-2021 at 09:36
by: wg48temp9
Ti substrate ThO2 anode for perchlorate cell. Good idea?
Judging by the white colour of ThO2 in a bright light even at a red heat it has low conductivity. It ...
16-1-2021 at 09:24
by: wg48temp9
latest glassware purchase
I have been after some cheap SS 1/4" VCR hi vacuum/pressure gas fittings for some time. I finally wo ...
14-1-2021 at 04:55
by: wg48temp9
Help understanding DIY discharge tube emission spectrums
Glass tubes and plastic hoses are covered by a layer of water one to several molecules thick. The c ...
13-1-2021 at 12:20
by: wg48temp9
Help understanding DIY discharge tube emission spectrums
Assuming no leak in your discharge tube or the connections to your pump, the gas in the discharge tu ...
13-1-2021 at 02:47
by: wg48temp9
Myth of Streching Space
I received the following question via U2U:

"When you say you don’t believe in expanding space a ...
10-1-2021 at 05:19
by: wg48temp9
Does nuclear fusion really solve problems ?
One problem fusion research solves even now is it helps to keep a pool of nuclear specialists, scien ...
1-1-2021 at 23:50
by: wg48temp9
Potential lowcost/portable/civilians available 2 shot electric blasting machine
The circuit displayed above contains a x5 multiplier circuit. The NE55 has about two base emitter vo ...
30-12-2020 at 23:25
by: wg48temp9
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