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Removing lead oxide from lead ingots.
Keep in mind that soluble lead salts are quite toxic.

I would imagine dilute nitric would work be ...
14-7-2020 at 12:58
by: Fleaker
What are your experiences with Chemsavers? Reliable supplier for amateurs?
We sell to and buy from them. Good people.
18-6-2020 at 12:32
by: Fleaker
Chinese rotavaps?
[rquote=638455&tid=155584&author=G-Coupled][rquote=638426&tid=155584&author=Fleaker] ...
18-6-2020 at 12:27
by: Fleaker
Chinese rotavaps?
I have a 50 L one that seems to work ok.
15-6-2020 at 07:09
by: Fleaker
Prices of Palladium and Rhodium have SKYROCKETED - here's what I see happening.
The crazy thing about these metals is not just the volatility, it's the rampant price manipulation c ...
9-4-2020 at 17:18
by: Fleaker
Magpie has died
Just now saw this.

RIP Don, you were an example to us all. I will miss our talk of autoclaves an ...
2-1-2020 at 13:01
by: Fleaker
Ruthenium too good to be true?
Looks like RuO2 to me.

Most commercial Ru metal (sponge) is a light grey powder like the rest of ...
10-12-2019 at 12:21
by: Fleaker
Any way in recycling silver nitrate from its oxides?
The Ag2S melts into a matte. Then it can be converted to silver with a piece of iron rod at the melt ...
10-12-2019 at 12:20
by: Fleaker
How do i synthesize sodium peroxide?
Really, this is of practical interest to me.

Sodium peroxide is an extremely clean and efficient ...
11-9-2019 at 11:13
by: Fleaker
Platinum price will depend on Tesla and spaceX (basically on elon musk)
Platinum prices have been in the can for a while.

Bigger deal is the ratio of Pd to Pt in autocat ...
31-7-2019 at 09:45
by: Fleaker
Anyone looking for glass ware, heating mantles, stirrers, pumps near Racine WI
Got any 50 L, 72 L and 100 L flasks?
11-6-2019 at 05:15
by: Fleaker
Ruthenium(III) chloride - RuCl3
It all depends how fresh the ruthenium hydroxide is. Freshly precipitated will dissolve even in weak ...
11-6-2019 at 05:12
by: Fleaker
For sale Re2O7 Rhenium(VII) oxide 99.99+% (ultradry) in glass ampoules
Will you trade for pure (4N+) rhenium pellets or APR (catalyst grade)?

I just want these because ...
28-3-2019 at 10:55
by: Fleaker
Anyone interested in purchasing rhodium or ruthenium sponge? Your budget is the limit!
How rich is it?
28-3-2019 at 10:53
by: Fleaker
can a diamond dissolve in acid ?
Usually standard for cleaning (gem) diamonds in bulk is nitrosulfuric acid followed by HF to frost o ...
11-10-2018 at 06:34
by: Fleaker
Silver Rhodium Separation
I don't know how soluble rhodium is in silver, or vice versa. Check a phase diagram! I seem to recal ...
30-4-2018 at 07:13
by: Fleaker
Making Pinchbeck Brass
Borax glass is usually used as a cover flux for cuprous, gold, silver alloys.

The borax stops a l ...
13-4-2018 at 07:41
by: Fleaker
Making Pinchbeck Brass
I always added the Zn to the Cu when the Cu was molten, then poured it.
11-4-2018 at 03:19
by: Fleaker
Selling Silver Nitrate Profitable
It is not at all photosensitive.

Neither is silver acetate.
1-3-2018 at 11:47
by: Fleaker
Selling Silver Nitrate Profitable
25 kg by ground is the quantity.

I do not think making silver nitrate is a profitable endeavor to ...
27-2-2018 at 10:01
by: Fleaker
Ammonium Tetrachroloroaurate (Water Soluble Noble Metals)
[rquote=505457&tid=80118&author=vmelkon][rquote=505366&tid=80118&author=Fleaker]I me ...
2-2-2018 at 08:55
by: Fleaker
Ammonium Tetrachroloroaurate (Water Soluble Noble Metals)
I mean if dry milling ammonium chloride with gadolinium oxide gives some soluble GdCl3 then I don't ...
30-1-2018 at 13:56
by: Fleaker
Doug's Lab
[rquote=504172&tid=72953&author=Magpie]Polish doesn't matter to me. What I care about is cr ...
25-1-2018 at 12:45
by: Fleaker
Calcinated oxides "reactivation"
For Ta2O5, if dead burnt or overly calcined, it is very slow to react, even under pressure with 70% ...
24-1-2018 at 11:34
by: Fleaker
Buy PdCl2 from Alibaba; Recover Pd; Profit?
I'm not trying to lecture you on the economics, but rather guide you to the reality that people gene ...
24-1-2018 at 11:32
by: Fleaker
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