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Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
I sent off my international packages yesterday -- which is a bit late. They may not arrive on time. ... |
3-12-2024 at 15:23
by: j_sum1 |
Uses for a sodium vapour lamp
I was given a beautiful bulb and power supply today - rescued from a dumpster.
I was hoping it woul ... |
29-11-2024 at 02:50
by: j_sum1 |
Potassium bi/carbonate in ethanol
Interesting idea.
My instinct would be to use anhydrous ethanol and add a pile of 3A sieves to mop ... |
27-11-2024 at 17:15
by: j_sum1 |
Recycling copper, working at scale. Suggestions.
Scrap prices locally are feeble. I am likely to get about $20 for my bag if I take it in. Principa ... |
26-11-2024 at 17:52
by: j_sum1 |
Recycling copper, working at scale. Suggestions.
The bulk of the wire has ancient rubber insulation more than 70 years old. The rubber is cracked and ... |
26-11-2024 at 01:25
by: j_sum1 |
Recycling copper, working at scale. Suggestions.
[rquote=697064&tid=160711&author=Precipitates][rquote=697057&tid=160711&author=j_sum ... |
25-11-2024 at 21:10
by: j_sum1 |
Recycling copper, working at scale. Suggestions.
These are all good suggestions. I have been doing some more thinking myself over the past couple of ... |
25-11-2024 at 18:03
by: j_sum1 |
Recycling copper, working at scale. Suggestions.
I have a large canvas bag filled with approximately 20kg of copper scrap. Most of it is old house wi ... |
25-11-2024 at 00:33
by: j_sum1 |
Cheapest Source of Chlorine
Or from another perspective...
The cost of sulfuric acid to dry chlorine is greater than the reagen ... |
20-11-2024 at 00:53
by: j_sum1 |
Chemical Price Comparison Software in the making..
A couple of thoughts.
[*] I think you are going to have to work hard to get it automatically updati ... |
19-11-2024 at 23:36
by: j_sum1 |
Cheapest Source of Chlorine
I admit to being surprised at the question.
Chlorine is already one of the cheapest chemicals to ma ... |
19-11-2024 at 18:02
by: j_sum1 |
Making Magnesium Turnings
Since the stepper has gained some interest, let me provide some details - from memory.
I have som ... |
15-11-2024 at 02:24
by: j_sum1 |
Possible meet-up in Brisbane early December
Bumping this. |
14-11-2024 at 19:04
by: j_sum1 |
Making Magnesium Turnings
I used a stepper drill bit and got some great turnings.
[img]https://i.ebayimg.com/images/g/nOsAAOS ... |
14-11-2024 at 16:31
by: j_sum1 |
Dichromate Synthesis from Chromium metal and NaClO3
H2O2 forms a complex with chromium. The complex is soluble and transient. I am not sure what it br ... |
13-11-2024 at 16:45
by: j_sum1 |
Discussion of Chemical Weapons
Other mods may chip in. Thanks for the question.
We would draw the line at executable synthesis m ... |
13-11-2024 at 00:20
by: j_sum1 |
Possible meet-up in Brisbane early December
There is me. I am inland a couple of hours from Brissy. Draculic acid has shifted away from the regi ... |
7-11-2024 at 21:48
by: j_sum1 |
Solution(s) to getting Conc. Sulfuric Acid in EU
Lead is a good anode for electrolysis methods.
It builds up a nice coating of PbO2. Bonus, you end ... |
7-11-2024 at 14:40
by: j_sum1 |
Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
Hey all.
Allocations have now been sent out.
If there are any glitches, please let me know. (And t ... |
3-11-2024 at 00:57
by: j_sum1 |
Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
Well, bnull. You still need to sign up so that I have your address to pass on to Madhatter.
I h ... |
31-10-2024 at 00:47
by: j_sum1 |
Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
Sign up anyway, bnull.
I will see what we can arrange.
I was going to send some emails out to ... |
29-10-2024 at 19:19
by: j_sum1 |
Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
[rquote=696336&tid=160601&author=Sir_Gawain]@jsum_1 do you have an estimate of the number of ... |
27-10-2024 at 19:04
by: j_sum1 |
CeCl3 from CeO2
I have had the same experience -- leftover CeO2. However, I have simply added it to my next batch. ... |
26-10-2024 at 15:57
by: j_sum1 |
Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
Here is a Science Madness mug.
You can get these direct sent to your recipient.
There are other th ... |
25-10-2024 at 13:29
by: j_sum1 |
Science Madness Secret Santa 2024 – allocations have been sent. Registration closed.
Bumping.
A week to go. Make sure you don't miss out. (Espwcially newbies and regulars.)(Ok. That co ... |
23-10-2024 at 22:58
by: j_sum1 |
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