| Search |
| [Next Page] |
platinum coated mesh/wool
Sure, you can reduce it onto the surface with ammonium formate, at pH 6-6.5 at 80*C. Or you can use ... |
20-4-2011 at 08:37
by: Fleaker |
Extraction of platinum metal from Sperrylite (PtAs2)
Ehh, the best thing to do is leave it alone. Sperrylite in small quantities is worth FAR more as a g ... |
20-4-2011 at 08:28
by: Fleaker |
platinum coated mesh/wool
No, don't electrodeposit.
Make a 0.5 M HCl solution of a known concentration (chloroplatinic acid ... |
19-4-2011 at 09:52
by: Fleaker |
purification of LAH
Anyone think of looking in the references section for W.L.F. Armarego's Purification of Laboratory C ... |
17-4-2011 at 08:06
by: Fleaker |
platinum coated mesh/wool
Make it. H2PtCl6 onto kaowool and then reduce with H2 gas. |
17-4-2011 at 07:59
by: Fleaker |
Cheap platinum jewelry as anodes for DIY chloralkali cell?
If you're in UK, go to Johnson Matthey. They will sell it.
I'd offer to post you some, but I'm ... |
17-4-2011 at 07:56
by: Fleaker |
Periodic table has actually no more than 98 elements
Rhenium was around $10,000/gram back around the time of its discovery.
Most rare radioisotopes an ... |
17-4-2011 at 07:54
by: Fleaker |
McLeod Gauge
Yes I have done this before, I'm not speaking from a guess--I have cleaned McCleod gauges and glass ... |
16-4-2011 at 09:04
by: Fleaker |
Pepper grinder and magnesium?
Presuming you have access, what's wrong with using a lathe or a mill and then grinding those turning ... |
16-4-2011 at 08:58
by: Fleaker |
gallium
It's because it's a DOT 8 corrosive material that must be shipped ground; it has many of the same ha ... |
16-4-2011 at 08:56
by: Fleaker |
McLeod Gauge
Concentrated HNO3 doesn't work that well in dissolving clean mercury, the fastest way to dissolve me ... |
16-4-2011 at 08:55
by: Fleaker |
Platinum plating
See pages 1579-1580 in Brauer's: [i]cis[/i]-dinitrodiammineplatinum (II). This salt is THE salt for ... |
16-4-2011 at 08:48
by: Fleaker |
cleaning glass frit
Carbon isn't impossible to remove. Quick whirl in a box oven overnight usually does it. My glassblow ... |
6-4-2011 at 19:36
by: Fleaker |
styrene
I have destructively distilled polystyrene foam and extruded product before, and the pyrolysis does ... |
6-4-2011 at 19:32
by: Fleaker |
School is not where most Americans learn most of their science
[rquote=205370&tid=14723&author=Polverone]
I used to agree almost exactly with you, but n ... |
5-4-2011 at 13:23
by: Fleaker |
styrene
You don't want to distill styrofoam of PS cups. A lot of really stinky things are produced.
Inste ... |
5-4-2011 at 12:53
by: Fleaker |
School is not where most Americans learn most of their science
[rquote=205154&tid=14723&author=m1tanker78]Virtually all public schools in the U.S. are poli ... |
27-3-2011 at 10:50
by: Fleaker |
International Chemistry Olympiad - Help needed with problems
Sounds like you just missed it. Better luck next year!
One of the graduate students in my old r ... |
27-3-2011 at 10:16
by: Fleaker |
legality of c. paspali?
Can't you just get another fungus and get all the joys(?) of growing/culturing it and maintaining it ... |
23-3-2011 at 09:32
by: Fleaker |
get RHODIUM out of glassware
Well, aqua regia turns red-orange on standing anyway due to the NOx produced as the NOCl decomposes. ... |
23-3-2011 at 09:26
by: Fleaker |
Storage of pressurized liquid SO2 in plastic containers
This is an interesting thread. It's also scary. Liquid sulfur dioxide is not something I'd ever with ... |
22-3-2011 at 22:21
by: Fleaker |
What is colloidal gold?
Purple of Cassius is said to be colloidal gold.
I've done it with HEPES (that made nanoparticles ... |
22-3-2011 at 22:10
by: Fleaker |
Hardware toluene.
Distill it and toss/burn the first 50 mL per liter (it has most of the water from the azeotrope). |
22-3-2011 at 22:09
by: Fleaker |
Looking For: Fluoropolymer Tubing
I love McMaster Carr. I usually get things the next day, and the people there know what they're talk ... |
22-3-2011 at 22:06
by: Fleaker |
get RHODIUM out of glassware
Bleach will not work.
Madscientist basically gave you your options.
Rhodium black and rhodium ... |
22-3-2011 at 21:58
by: Fleaker |
| [Next Page] |
