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Black Phosphorus
I think fused silica tubing is still the cheapest option... |
29-6-2016 at 06:37
by: Fleaker |
Precious Metal Mini Mystery?
Antimony isn't really significant in flatware in my experience. |
29-6-2016 at 06:35
by: Fleaker |
Some Element Collecting Freebies
I have some tantalum screws that go to holding in Ta sheet patches on our Pfaudlers. |
27-6-2016 at 08:40
by: Fleaker |
Black Phosphorus
I'm presuming reducing conditions of P vapor prevail in the tube, although whether or not that affec ... |
27-6-2016 at 08:38
by: Fleaker |
Mine platinum from the dust next to highways
Unfortunately, even wavelength dispersive XRF will have trouble seeing the PGM content unless it is ... |
26-6-2016 at 08:32
by: Fleaker |
Precious Metal Mini Mystery?
925 is sterling silver. 925 parts silver balance usually copper. Flatware is usually close or spot o ... |
26-6-2016 at 08:17
by: Fleaker |
SAPARATE SILVER FROM TIN SOLDER
Send it to the tin refiner?
Otherwise plate the tin out? |
26-6-2016 at 08:11
by: Fleaker |
Black Phosphorus
I think the gold would wet the refractory metal. Molybdenum handles iodine well (indeed, in van arke ... |
26-6-2016 at 08:10
by: Fleaker |
Liquid Mercury Hg metal new for sale $145
I didn't even know if you can legally ship Hg out of the country since 2013--I thought there was an ... |
26-6-2016 at 08:04
by: Fleaker |
Precious Metal Mini Mystery?
Put precipitated gold into 60% hot sulfuric and sonicate. It considerably upgrades the purity.
Vi ... |
26-6-2016 at 08:02
by: Fleaker |
Bromine Source and Synthesis
I think the best way I ever made bromine was sodium bromide, sodium bromate, and sulfuric acid. Coll ... |
12-8-2015 at 12:29
by: Fleaker |
Get rid of Nitrogen dioxide
First scrub with H2O2 35% to reclaim your NOx as HNO3 then pH 10.5 sodium sulfite in NaOH to get wha ... |
2-5-2015 at 11:37
by: Fleaker |
Red P to Black P?
The Au/ SnI4 method works as advertised.
[Edited on 17-2-2015 by Fleaker] |
17-2-2015 at 08:46
by: Fleaker |
Easily decomposable Pt salt from PtCl2
If you want to coat the class, leave some concentrated sodium hydroxide in it til etched, rinse out ... |
8-12-2014 at 13:16
by: Fleaker |
Anyone want Hydrazine Sulfate?
You should maintain the records for DOT inspection for 3 years.
I ship dangerous goods on a rathe ... |
7-6-2014 at 12:48
by: Fleaker |
Cesium from CsCl
The pure metal is silver and does not wet glass. Any oxygen and it will begin to shift more and more ... |
8-5-2014 at 14:23
by: Fleaker |
Liquid Mercury 76lb flask "distilled"
Try Bethlehem Apparatus if you're looking for a one shot deal.
Shipping it without proper trainin ... |
26-3-2014 at 13:25
by: Fleaker |
A place to buy platinum plated titanium anodes ?
Can't get low stress coatings from acid Pt(IV) baths. |
13-2-2014 at 04:35
by: Fleaker |
Iridium currently "low" price
There is platinum on the surface of some hard drive disk platters, but it is very small. Just enough ... |
21-1-2014 at 09:54
by: Fleaker |
Selling Silver Nitrate?
Yes, because any other metal nitrate that would form would decompose the oxide (if that happens, you ... |
16-12-2013 at 13:26
by: Fleaker |
Selling Silver Nitrate?
If you use commercially pure silver, you can just crystallize to dryness and then heat until it melt ... |
14-12-2013 at 15:46
by: Fleaker |
Recovery of gold using HCl + H2O2
Adding any sulfite salt to an acidic solution can (and often does) liberate free SO2 gas.
SO2 is ... |
14-12-2013 at 14:48
by: Fleaker |
Making potassium chloroplatinate from platinum chloride (aq)
Brauer has excellent synthesis for that salt (I think in second volume). Remember to save all the li ... |
23-11-2013 at 13:24
by: Fleaker |
Recovery of gold using HCl + H2O2
If the solution is concentrated and free of excess oxidizer, you will get a nice light fluffy brown ... |
23-11-2013 at 13:21
by: Fleaker |
Silicon Wafers & Quartz Tubing- Can anyone help me?
I'd be a buyer on all of the small Indium Corp stuff as well as the evaporation pellets.
|
30-10-2013 at 18:02
by: Fleaker |
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