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PdCl2 preparation with HCl/H2O2: weird precipitate
It actually works best at pH 2-3 although in basic conditions it works with Pd, and to lesser extent ... |
30-8-2016 at 17:16
by: Fleaker |
PdCl2 preparation with HCl/H2O2: weird precipitate
It's in HCl isn't it? So, when you add borohydride to it, it will instantly reduce the oxide to pall ... |
24-8-2016 at 06:44
by: Fleaker |
PdCl2 preparation with HCl/H2O2: weird precipitate
It reduces it to metal under a pH of 11.
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23-8-2016 at 06:15
by: Fleaker |
PdCl2 preparation with HCl/H2O2: weird precipitate
Never put the H2O2 into the HCl at the same time--it can passivate end up with you getting a mix of ... |
22-8-2016 at 13:14
by: Fleaker |
preparation of hydrazine hydrate
if you put some 35% hydrate on a paper towel and leave it in the hood, it will oxidize in the draft ... |
22-8-2016 at 12:35
by: Fleaker |
Black Phosphorus
I did indeed use gold. It works. I did it in 1 cm quartz tubes with very thick walls and still had ... |
22-8-2016 at 12:33
by: Fleaker |
The Sciencemadness Starter Kit
What's wrong with setting it up as a nonprofit, starting a gofundme or whatever called "Worthwhile c ... |
22-8-2016 at 11:48
by: Fleaker |
Forgability of chromium
Machining Cr probably gives mostly Cr2O3 fume but perhaps some higher chromium oxides can form. |
15-8-2016 at 12:35
by: Fleaker |
PdCl2 preparation with HCl/H2O2: weird precipitate
I put Pd into solution w/ 35% peroxide and 10 M HCl literally every day. It works fine. Chlorate wor ... |
15-8-2016 at 11:54
by: Fleaker |
A bit of PdCl2 solution stained my skin... how much should I worry?
No, that's [HNO3] a vivid yellow.
The orange is Pd and it will slowly go to a dark brown. Gold is ... |
9-8-2016 at 16:32
by: Fleaker |
What to do with tiny bits of Palladium wire?
If you plan on using it over and over, I suggest to use it as its bromide, not the chloride. Far mor ... |
23-7-2016 at 07:08
by: Fleaker |
Fluorine for Laser
If it's at 3 atm, I wouldn't trust it for delivery. Low pressure, room temp, it's fine.
Thing ab ... |
23-7-2016 at 06:59
by: Fleaker |
Keeping bromine safely contained
Best way I ever made bromine was from sodium bromide, sodium bromate and sulfuric acid. Yield is vir ... |
22-7-2016 at 11:13
by: Fleaker |
Keeping bromine safely contained
Make sure it is plastic wrapped bottle when storing. I had 2 L bromine stored that way with that wei ... |
22-7-2016 at 08:02
by: Fleaker |
Fluorine for Laser
Sounds like a fun project.
I still have some Krytox 240 AC that I would donate to the cause (had ... |
21-7-2016 at 18:12
by: Fleaker |
Interest Check: Sodium Dithionite, Na2S2O4 (Sodium Hydrosulfite)
Just be wary of DOT rules on shipping and consult the HMT.
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21-7-2016 at 11:48
by: Fleaker |
Hydroclhloric acid (and HCl gas) production from salt (NaCl) electrolysis (small scale Chloralkali process)
Have you tried just plain ol' titanium for the anode of a chlorate cell?
Reason I ask is I have s ... |
6-7-2016 at 07:30
by: Fleaker |
SMH - How can there be so little knowledge at pharmacies?
It's my experience that big chains are a no go for the cool stuff.
My friend's father owns 4 pha ... |
6-7-2016 at 07:28
by: Fleaker |
Forgability of chromium
Beware the dust! |
6-7-2016 at 07:21
by: Fleaker |
What can be done with these glass columns?
They look like borosilicate to me.
Typically borosilicate is green on the ends, quartz is white, ... |
6-7-2016 at 07:19
by: Fleaker |
Forgability of chromium
Chromium is brittle. All the sputtering targets I used to get in of pure Cr I beat up with a hammer ... |
4-7-2016 at 06:44
by: Fleaker |
how to deposit carbon black
Try cellite? |
4-7-2016 at 06:35
by: Fleaker |
A quick question for everyone
Osmium.
It's a bear to work with but so easily purified. |
4-7-2016 at 06:33
by: Fleaker |
Neutralizing NOx fumes
Best way to scrub NOx is a two stage approach:
1.)OXIDIZING: pass the nitrogen oxides through 30% ... |
4-7-2016 at 06:32
by: Fleaker |
Precious Metal Mini Mystery?
Yes, aqua regia doesn't really touch Ru unless mixed with other PGMs in which case things all start ... |
30-6-2016 at 16:56
by: Fleaker |
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