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Granulation of glass and fine abrasive powder
Definitely a job for a ball mill. Cheap and easy way to do it is a rock tumbler and some steel sling ...
7-11-2019 at 14:07
by: elementcollector1
Selectively complexing copper at low pH
Not sure how applicable this is, but it came to mind:

https://www.youtube.com/watch?v=jRiBYMv6Tz4
7-11-2019 at 14:06
by: elementcollector1
Preparing "Neutral" Copper(II) Nitrate Solution for Aldehyde Synthesis
Crystallize the nitrate out at low temperature and redissolve it? Or would some acid become trapped ...
5-11-2019 at 18:01
by: elementcollector1
Making Pinchbeck Brass
Nice photography work! Your camera is way better than mine. I'm pleased to see I was able to get ver ...
4-11-2019 at 18:32
by: elementcollector1
is it normal that i just want to play around with chemicals and make organic molecules for the hell of it
Currently making manganese sulfate from zinc-MnO2 batteries again. Why? Because it's bright pink. I ...
3-11-2019 at 19:16
by: elementcollector1
2019 Secret Santa
Ha. I see that Super Santa option - I remember when I did that for one of the earliest SS's. It's ac ...
26-10-2019 at 19:05
by: elementcollector1
What real life mineral is the closest to minecraft redstone, except for the colour?
Could also be a semiconductor with red LED characteristics - I've seen people light up LEDs briefly ...
26-10-2019 at 14:47
by: elementcollector1
Suggested media to clean brass part (water soluble)
My vote is for Epsom salt. Other options might be baking/washing soda (if they weren't so soft), and ...
22-10-2019 at 18:35
by: elementcollector1
Making Potassium metal by distillation with Al and KOH
Improper mixing, maybe? Though the aluminum would also be molten at that point...

What was your s ...
15-10-2019 at 07:40
by: elementcollector1
Graph info to find correlation
In practice, this is generally done by setting your third variable to a constant (e.g. '5 miles walk ...
12-10-2019 at 14:00
by: elementcollector1
So what actually are not allowed in whimsy?
Things that are outside the radius of the Earth-Sun system.

More seriously, in my experience, it' ...
12-10-2019 at 13:54
by: elementcollector1
Making Pinchbeck Brass
Latest attempt on the bottom right - pure aluminum hobby wire and the usual copper scrap. Took a dif ...
10-10-2019 at 13:41
by: elementcollector1
Making Pinchbeck Brass
We've since moved on to aluminum bronze, so the Cu/Zn phase diagram isn't exactly helpful anymore. H ...
28-9-2019 at 07:25
by: elementcollector1
Making Pinchbeck Brass
[rquote=623594&tid=81819&author=Sulaiman]

One question (my idle curiosity); have you trie ...
26-9-2019 at 18:45
by: elementcollector1
Making Pinchbeck Brass
Run 2, this time with a pre-melted aluminum button and the same copper welding electrodes. Noticeabl ...
25-9-2019 at 15:58
by: elementcollector1
Making Pinchbeck Brass
Decided to give this a try of my own, with some interesting results...

For starters, I went with ...
25-9-2019 at 10:36
by: elementcollector1
Pt & Pd available in 1g increments for very decent prices
What form? Sponge, bullion, ingot?
31-7-2019 at 10:56
by: elementcollector1
Looking for 1-3gr of platinum for a reasonable price
Only Pt sample I have is a small wire in an ampoule (considering I just looked up the spot price, th ...
28-7-2019 at 21:18
by: elementcollector1
Stores in/near buffalo
Try fish/pet stores for potassium permanganate (aka Condy's crystals, permanganate crystals, etc.)
...
26-7-2019 at 10:19
by: elementcollector1
The most useful three things in my lab
For me, it'd be:

-Furnace
-Vacuum chamber
-Pliers

Then again, I mostly do high-temperature i ...
22-7-2019 at 10:58
by: elementcollector1
Uranium powder found among other oddities in OK traffic stop
[rquote=617587&tid=151855&author=fusso][rquote=617582&tid=151855&author=Loptr]You ar ...
21-7-2019 at 14:28
by: elementcollector1
Future-gazing: available now, restricted tomorrow?
[rquote=617513&tid=149149&author=roXefeller]
I was teaching a parent a couple years ago abo ...
12-7-2019 at 17:30
by: elementcollector1
Buying Endecott Test seives - questions about metal compatibility & best models - anyone near Purdue Uni in Indiana?
I'm about to move pretty close to Purdue (within driving distance, at any rate). How heavy do you ex ...
10-7-2019 at 22:14
by: elementcollector1
Nd & Fe oxalates
A few months alone won't do much to Fe (II) oxalate - it needs to be actively oxidized. I left my ox ...
24-6-2019 at 15:25
by: elementcollector1
What is the white impurity in my boron?
If it's boron from Nd magnets, the white stuff is a mix of RE and Fe compounds (in my case, it was s ...
19-6-2019 at 23:09
by: elementcollector1
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