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Long term chemical storage
It's 100mL of 37% formaldehyde, stored in an HDPE bottle.
I'm more worried about it than other reag ...
28-12-2018 at 15:26
by: experimental
Long term chemical storage
I'm having issues with storing formaldehyde.

I bought it from a chemical reseller, and kept it in ...
25-12-2018 at 16:09
by: experimental
Copper(II) formate mirror
In the past months I've been experimenting with copper plating for plating holes in printed circuit ...
16-5-2018 at 15:20
by: experimental
new way of PCB via plating
Since NurdRage's silver ink is made with silver acetate, ammonia and formic acid, I tried to use cop ...
28-1-2018 at 01:44
by: experimental
new way of PCB via plating

During the past month I made many experiments for making double sided printed circuits at home, bu ...
20-1-2018 at 16:00
by: experimental
new way of PCB via plating
I have not weighed the pcb unfortunately, but I'll be doing more experiments in the next days.
21-11-2017 at 15:52
by: experimental
new way of PCB via plating
In this thread I'm reporting the success of a new way of plating vias in PCBs.

For those not into ...
20-11-2017 at 16:02
by: experimental
Separation of Thiourea from Sulfamic Acid
If you're just after thiourea, I suggest you try to see if you can buy it directly. I did, and could ...
12-11-2017 at 15:50
by: experimental
Issues with stannous sulfate
Finally I had success in tin plating. Since my last attempt there was one major breakthrough: NurdRa ...
12-11-2017 at 15:43
by: experimental
Issues with stannous sulfate
I finally understood at least one of the reasons why my attempts were producing strange results. The ...
17-9-2017 at 15:35
by: experimental
Issues with stannous sulfate
I tried another experiment. Electrolysis of tin in 50 % sulfuric acid. Again, it didn't work as expe ...
11-9-2017 at 15:06
by: experimental
Issues with stannous sulfate
Thanks Melgar for the suggestion. I tried on a very small scale given that you mentioned the possibl ...
3-9-2017 at 14:33
by: experimental
Issues with stannous sulfate
I didn't know that could be an issue. Acutally the residue left at the sides of the beaker could be ...
23-8-2017 at 14:21
by: experimental
Issues with stannous sulfate
Does anyone have a reference for the solubility of stannous sulfate?

Wikipedia says it's 33 g/100 ...
23-8-2017 at 08:31
by: experimental
Trouble with molten sodium hydroxide electrolysis
The causes for such a low yield are multiple
- most of the sodium hydroxide just solidified without ...
23-8-2017 at 08:14
by: experimental
Trouble with molten sodium hydroxide electrolysis
It's a very shallow flower pot, so I guess it's made of clay. After soaking it in water to dissolve ...
21-8-2017 at 14:30
by: experimental
Purifying Copper Sulphate
Yeah, didn't notice the 10.4g/L figure. Not that "soluble" actually.

As for sulphuric acid, pleas ...
21-8-2017 at 14:19
by: experimental
Trouble with molten sodium hydroxide electrolysis
Today I tried to make sodium with electrolysis. While I could see the shiny molten sodium droplets f ...
20-8-2017 at 12:16
by: experimental
Purifying Copper Sulphate
That is an impressive crystal, well done 18thTimeLucky?

In my case I'm just purifying some techni ...
20-8-2017 at 10:44
by: experimental
Purifying Copper Sulphate
Ok, I found a solution to the mixed copper sulfate and copper chloride crystals. Just added some dis ...
30-7-2017 at 15:19
by: experimental
Purifying Copper Sulphate
Recently I bought 1 Kg of technical grade copper sulfate, which turned out to be quite dirty. Just d ...
16-7-2017 at 02:42
by: experimental

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