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Lamp work - hollow glass sphere
They were most likely borosilicate then. Not a lot to choose from. Soda lime will easily soften in f ... |
1-2-2021 at 04:32
by: Junk_Enginerd |
making fused quartz at a lower tenperature using silica gel
A major reason for borosilicate and soda glass to exist is that quartz glass doesn't soften. Much li ... |
25-1-2021 at 06:01
by: Junk_Enginerd |
Why do Mg salts not color the flame ?
I'm no expert on this but my reasoning is: Yes, there's a clear green line. Also lots of blue ones a ... |
24-1-2021 at 10:26
by: Junk_Enginerd |
Freeze drying question
I thought the "freeze" part happened by itself? Like, due to the water boiling off in the vacuum. Do ... |
24-1-2021 at 10:09
by: Junk_Enginerd |
Lamp work - hollow glass sphere
What do you mean "collapses"? That's not how glass behaves in my experience. It should be literslly ... |
24-1-2021 at 02:34
by: Junk_Enginerd |
Low(est) boiling point salts?
[rquote=653415&tid=156924&author=DraconicAcid]Anhydrous copper(II) nitrate is surprisingly v ... |
21-1-2021 at 01:21
by: Junk_Enginerd |
Low(est) boiling point salts?
[rquote=653366&tid=156924&author=unionised]Does ferric chloride count as a salt?
Copper Chl ... |
18-1-2021 at 15:18
by: Junk_Enginerd |
Low(est) boiling point salts?
I'm experimenting putting substances in electric discharge lamps, and I'm thinking about what to put ... |
18-1-2021 at 10:35
by: Junk_Enginerd |
Mixing concentrated acid and base
[rquote=653192&tid=156906&author=roXefeller]How about adding cold NaOH to cold SA. In suffi ... |
16-1-2021 at 04:31
by: Junk_Enginerd |
Mixing concentrated acid and base
Yeah I can think of a way to one-up all suggestions so far. Heat up sulfuric acid to boiling (250°C ... |
15-1-2021 at 15:46
by: Junk_Enginerd |
Help understanding DIY discharge tube emission spectrums
[rquote=653057&tid=156896&author=wg48temp9]Glass tubes and plastic hoses are covered by a l ... |
14-1-2021 at 02:58
by: Junk_Enginerd |
Help understanding DIY discharge tube emission spectrums
Allright let's see about those photos then. Both of these are with normal air, Getting the sulfur on ... |
13-1-2021 at 09:07
by: Junk_Enginerd |
Help understanding DIY discharge tube emission spectrums
[rquote=653027&tid=156896&author=DraconicAcid]Have you looked at the light through a spectro ... |
13-1-2021 at 08:59
by: Junk_Enginerd |
Help understanding DIY discharge tube emission spectrums
So I've been having a blast DIYing discharge tubes since I got a 5 Pa vacuum pump. I'd have preferre ... |
12-1-2021 at 14:20
by: Junk_Enginerd |
Woodstove embers temperature ?
Based on my blacksmithing and metal casting knowledge; once the volatiles area gone and all the wood ... |
28-11-2020 at 07:14
by: Junk_Enginerd |
How to build a cheap and durable electrolytic cell
A mug? There's not much more to it. Then there's the electrodes, and what they need to be made of is ... |
28-11-2020 at 07:09
by: Junk_Enginerd |
Nitric acid synthesis with bisulfate weirdness.
I accidentally did a thing I think is very effective in this synthesis. I don't have a "normal" cond ... |
28-11-2020 at 07:04
by: Junk_Enginerd |
Can common soda glass bottles be reshaped?
[rquote=648724&tid=155824&author=Clear_horizons_glass]Beer bottles and soda bottles are not ... |
12-11-2020 at 04:32
by: Junk_Enginerd |
Nitration with NO2 instead of H2SO4?
I'm not convinced... Theres a book about nitroglycerin hosted here on sciencemadness, where alternat ... |
5-11-2020 at 07:10
by: Junk_Enginerd |
Nitration with NO2 instead of H2SO4?
Note: I'm not making this thread with an intent to perform this experiment, just as a way of testing ... |
5-11-2020 at 02:02
by: Junk_Enginerd |
Electric stove for metal casting?
Cast iron is more carbon steel than carbon steel is. It will quench harden even with extremely slow ... |
23-10-2020 at 02:00
by: Junk_Enginerd |
For those distilling at home, how do you feed water into your condenser?
I use a large bucket, fill it with water, lift it up and let gravity do the job. Lifting the receivi ... |
5-10-2020 at 07:56
by: Junk_Enginerd |
how to get the maximum heat of a wood stove?
Maximize heat or maximize efficiency?
To maximize efficiency, you would theoretically extract all ... |
30-9-2020 at 10:56
by: Junk_Enginerd |
Novelty/Interesting ways of generating continuous light?
[rquote=645262&tid=156210&author=Chemetix]I think I might have to try the cadmium lamp. Alth ... |
27-9-2020 at 00:48
by: Junk_Enginerd |
Novelty/Interesting ways of generating continuous light?
[rquote=645213&tid=156210&author=clearly_not_atara]Cadmium-gallium arc lamp?
https://nvlp ... |
26-9-2020 at 00:30
by: Junk_Enginerd |
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