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Making Silver Oxide
Yes, sterling dissolves in hot concentrated sulfuric acid. |
16-7-2011 at 07:34
by: Fleaker |
Misuse of laboratory materials
This is horrifying. Where is the intent to harm anyone or inflict any sort of terror? The man was tr ... |
15-7-2011 at 18:34
by: Fleaker |
Getting gas out of N2O capsules in controlled way?
That's a rough approximation I suppose and more tuned to my thought of the economy of scale; at the ... |
15-7-2011 at 18:11
by: Fleaker |
Silver nitrate - green !!?? help
If you started from sterling, you can boil it with sodium formate to give you 99,99 fine silver.
... |
15-7-2011 at 16:43
by: Fleaker |
Making Silver Oxide
Dissolve it in hot sulfuric acid, precipitate with HCl, keeping it wet, then slurry it with a 1.2 mo ... |
15-7-2011 at 16:41
by: Fleaker |
Film about amateur scientist
I think Woelen would be perfect! He's as meticulous as any, exceedingly well-educated, and passionat ... |
15-7-2011 at 16:38
by: Fleaker |
Getting gas out of N2O capsules in controlled way?
Woelen,
Forget using the capsules. I suggest you consider the use of sulfamic acid and nitric aci ... |
6-7-2011 at 18:30
by: Fleaker |
Nitric acid color
Once I added RFNA to 70% nitric acid and was left with a brilliant green-blue solution. I wonder if ... |
21-6-2011 at 21:05
by: Fleaker |
how many females here
[rquote=213618&tid=16734&author=iHME]I once met a female with a keen interest in HE's. Very ... |
21-6-2011 at 20:42
by: Fleaker |
Reaction between NH4OH and Al2O3
What reaction?
Al2O3 has different modifications. Some are easier to digest than others. Ammoni ... |
21-6-2011 at 20:41
by: Fleaker |
Puirifying gold from old jewelry
If you are taking gold from jewelery and want it to be of 4N purity for use in your experiments, the ... |
21-6-2011 at 20:37
by: Fleaker |
Metal prices on ebay.
The indium-gallium eutectic is liquid at room temperature, and while an order of magnitude more expe ... |
12-6-2011 at 19:20
by: Fleaker |
US Carcinogen list gets additions
As a scientist, I think his claims deserve some study.
Too bad it's not in JAMA...that'd b ... |
12-6-2011 at 19:05
by: Fleaker |
Metal prices on ebay.
What the hell do you want with all that cadmium?
|
12-6-2011 at 19:03
by: Fleaker |
The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method
Hey all!
I'm glad to see someone finally going for it! Any questions, ask! I made a few modificat ... |
12-6-2011 at 19:01
by: Fleaker |
Metal prices on ebay.
It's just CsCl, there are no shipping restrictions. It's just a saltier tasting salt than table salt ... |
12-6-2011 at 18:41
by: Fleaker |
Ways to Bromine (or HBr) from KBr
The absolute best way to make bromine (if you have the reagents) is from potassium bromide, potassiu ... |
12-6-2011 at 18:35
by: Fleaker |
Anyone interested in buying some zirconium?
The alkali metal is distilled off, and it's supposedly better than Ca for making gas free metal. |
24-4-2011 at 07:26
by: Fleaker |
Extraction of platinum metal from Sperrylite (PtAs2)
Well said Neil. He can even afford to pay the 3X over spot that 5N zone refined platinum commands (a ... |
24-4-2011 at 07:23
by: Fleaker |
Anyone interested in buying some zirconium?
Oh, I don't really care about broken filaments. I merely wanted it for making Cs from its dichromate ... |
23-4-2011 at 09:08
by: Fleaker |
Anyone interested in buying some zirconium?
How much would a kilogram of swarf be?
|
23-4-2011 at 08:59
by: Fleaker |
platinum coated mesh/wool
You can at least try it. I know it works for hydrogenations. |
23-4-2011 at 08:54
by: Fleaker |
Extraction of platinum metal from Sperrylite (PtAs2)
I'd really wish he'd just desist. This is very dangerous to do and is NOT for someone with no experi ... |
23-4-2011 at 08:53
by: Fleaker |
Extraction of platinum metal from Sperrylite (PtAs2)
Are you in North America? I know multiple parties that would be interested in buying. |
22-4-2011 at 05:58
by: Fleaker |
Anyone interested in buying some zirconium?
These prices are much lower than that available from Alfa, Goodfellow, and Advent RM.
Unfortunat ... |
20-4-2011 at 08:40
by: Fleaker |
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