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Looking for MMO electrode suppliers
Try WaterStar.

They make good product.
20-9-2017 at 12:37
by: Fleaker
Thorium metal in coherent form
Rhodium is hard. In fact, we did a 999 rhodium wedding band and had to get new tooling to deal with ...
15-9-2017 at 07:06
by: Fleaker
Osmium tetroxide decomposition
My advice is look up the book value of it in Alfa or through a supplier, and then donate it to your ...
15-9-2017 at 07:01
by: Fleaker
Where to sell precious metals in non-standard forms?
I can dispose of the material for you, if you like or cert it and you can sell it here or eBay. I ha ...
10-9-2017 at 18:28
by: Fleaker
Dehydrating KOH how to ?
Heat in nickel crucible to red heat. Can use iron too, if you can deal with iron contamination.
10-9-2017 at 18:14
by: Fleaker
Thorium metal in coherent form
I think Os pellets more impressive.

Anyway, it all arrived in good order.

Check your PM box.
9-9-2017 at 04:17
by: Fleaker
Pd/C (10%, wet) for trade
Nice to see you back.

1-9-2017 at 06:32
by: Fleaker
Missing persons
What ever happened to neutrino?

I miss Sauron. He was a character.

NERV (been here since 200 ...
28-8-2017 at 17:02
by: Fleaker
Thorium metal in coherent form
Sorry to hear that rubidium got you burned!

Dan, I have some experience with powder metallurgy. W ...
25-8-2017 at 15:54
by: Fleaker
Dealing with NO2 fume residues in vessels.
Peroxide will give you nitric acid again from NO/NO2 mixtures (NOx) and helps control NOx. In indust ...
21-7-2017 at 18:29
by: Fleaker
Chemrox
He was not well, health-wise. I thought he had gotten over whatever it was but I have not talked to ...
24-6-2017 at 20:13
by: Fleaker
Black Phosphorus
[rquote=470300&tid=12196&author=Dan Vizine][rquote=468151&tid=12196&author=MrHomeSci ...
28-3-2017 at 07:04
by: Fleaker
Chemglass products - what are the thoughts on the quality of their products?
I like Chemglass.

They hook up glassblowers so go through distributor if you can.
6-3-2017 at 13:17
by: Fleaker
Molten Europium
Dan,

Your Ta looks really dark to me. Are you sure it isn't molybdenum?

I work with many forms ...
19-2-2017 at 07:48
by: Fleaker
The art of crystallization
This was a fun thread to read!

I need to do some crystallization work on K2TaF7.

I've been c ...
10-2-2017 at 18:08
by: Fleaker
Platinum foil suggestions needed
Perhaps way more valuable as that foil to the right people than even 0.1 mm Pt sheet!
16-1-2017 at 12:00
by: Fleaker
The problem with niobium
You think Nb is crazy? Ta is way way more resistant. Nb is much easier to reduce too.

Take some ...
16-1-2017 at 11:57
by: Fleaker
Silver sulfate

I used to take silver sulfate (and chloride too) by the kilogram and mix with dilute (5-10%) sulfu ...
16-1-2017 at 11:35
by: Fleaker
Recovery of Palladium from PdCl2 with NaBH4 or Formic acid?
Hydrogen will rapidly reduce it.

Failing that, pH 5 boiling sodium formate solution.

Regards,
16-1-2017 at 11:27
by: Fleaker
Quartz and molten sodium nitrite
35% w/v H2O2 usually works OK with powdered tungsten.

If more aggressive conditions needed, mayb ...
24-12-2016 at 11:16
by: Fleaker
Ostwald style nitric production
PGMs get no love :-/

Sad state that platinum prices are at now.
22-12-2016 at 13:00
by: Fleaker
Ostwald style nitric production
What about just absorbing some chloroplatinic acid onto aerogel or molecular sieve and reducing it w ...
22-12-2016 at 10:20
by: Fleaker
Quartz and molten sodium nitrite
if it's just tungsten or tungstic acid, just use hydrogen peroxide and skip the HF.
22-12-2016 at 10:16
by: Fleaker
Production of nickel, copper and silver as potassium cyanide
Silver I think yes. I don't know about the others.
21-12-2016 at 09:10
by: Fleaker
Ostwald style nitric production
I know that at large silver refineries (like that of Eastman Kodak) where they dissolve metric tons ...
21-12-2016 at 09:08
by: Fleaker
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