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Isolation of Iodine From SeaWeed
When I tried, a long time ago now, after adding acid and peroxide all I got was a golden brown colou ...
30-11-2016 at 15:12
by: Marvin
Our Entire Maths System is Fundamentally Wrong
Complex numbers are a tool, they can describe a plane, or a signal with phase and as a tool it works ...
29-11-2016 at 05:21
by: Marvin
Aldol
Sodium carbonate will do this, acid works well, probably a better plan. Hydroxide is very strong an ...
22-11-2016 at 11:23
by: Marvin
Blue Flame
Tripyrovinyl, I've not heard of those liquid mixes. Copper (II) Choride in methanol I know, but wha ...
21-11-2016 at 11:19
by: Marvin
Maths assistance please
[rquote=464214&tid=70107&author=wg48]
So in one minute the charge is (0.001 x 58)+(15 x 2) ...
18-10-2016 at 13:37
by: Marvin
Nitrates from Swiss or French method - Planning for a year long experiment - need suggestions & help!
[rquote=462426&tid=69529&author=Maroboduus]
I filled it 1/2 way with water and it's been f ...
2-10-2016 at 04:04
by: Marvin
Nitrates from Swiss or French method - Planning for a year long experiment - need suggestions & help!
Drums and buckets are a bad idea. Piles of earth/manure/urine/ash/limestone with straw and sticks a ...
29-9-2016 at 06:26
by: Marvin
High-order flash powder?
Typically it's the other way around. High order tends to produced a snap that doesn't sound too imp ...
29-9-2016 at 05:39
by: Marvin
Gunpowder from Table Salt
H3 and blackpowder require some skill to manufacture. The better the processing, the better the per ...
24-9-2016 at 04:53
by: Marvin
Tired of reporting spam
[rquote=459387&tid=16937&author=wg48]
So unless one is a trusted member there seems to be n ...
24-9-2016 at 03:57
by: Marvin
Gunpowder from Table Salt
Chlorate sulfur mixtures in my experience are boring in practice and dangerous by reputation. Sulfu ...
22-9-2016 at 14:13
by: Marvin
Gunpowder from Table Salt
Armstrongs mixture and chlorate sulfur mixtures have similar hazards, both will go high order and bo ...
22-9-2016 at 08:58
by: Marvin
High-order flash powder?
[rquote=461251&tid=22930&author=Praxichys]A true HE cannot be dead pressed and in fact deton ...
17-9-2016 at 04:30
by: Marvin
High-order flash powder?
[rquote=461130&tid=22930&author=OneEyedPyro]
I just don't like to see people be overly dis ...
15-9-2016 at 04:27
by: Marvin
Maleic acid
Heat alone will turn fumeric acid into maleic anhydride. Phosphorus pentoxide would make the proces ...
10-9-2016 at 15:05
by: Marvin
Cheap, Low-Resolution, Raman Spectroscopy
You may find you have some light bleed round the edges. Bandwidth should not affect the OD plateau ...
7-9-2016 at 15:15
by: Marvin
Cheap, Low-Resolution, Raman Spectroscopy
tvaettbjoern,

Is that an OD plot?

If so it looks fine for Raman with 532nm.
6-9-2016 at 07:18
by: Marvin
Cheap, Low-Resolution, Raman Spectroscopy
Is the spectrum you posted massively massively overexposed? There is more OOB than laser line.

W ...
24-8-2016 at 05:46
by: Marvin
Cheap, Low-Resolution, Raman Spectroscopy
Something is weird, if you point the beam at a DVD, do you get green light along with the spot patte ...
22-8-2016 at 09:36
by: Marvin
Homemade spectrometer
That's a really cool build and kudos for using veroboard. That's a proper old school prototyping/on ...
4-8-2016 at 00:47
by: Marvin
Homemade spectrometer
That looks impressive. Can you post build details?
3-8-2016 at 04:30
by: Marvin
call for participation: modernizing SM forum software
Looks like good progress, but that forum looks nothing like this forum yet. I'm sure when Polverone ...
31-7-2016 at 03:24
by: Marvin
Short question / quick answer - Thread
In general, any nitrate and aluminium combination needs a stabiliser. Usually boric acid I think. ...
28-7-2016 at 12:13
by: Marvin
How about upgrading Sciencemadness to newer software???
The backup is public and here,
https://www.sciencemadness.org/whisper/viewthread.php?tid=12051& ...
28-7-2016 at 09:28
by: Marvin
How about upgrading Sciencemadness to newer software???
Have a read through,
https://www.sciencemadness.org/whisper/viewthread.php?tid=18651
The original ...
28-7-2016 at 03:09
by: Marvin
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