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Seperating chrome from iron and nickel, stainless steel
I think that could work but might require using a large excess of sodium hydroxide and strong stirri ... |
23-6-2017 at 13:55
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I chose calcium hypochlorite for the price mainly, and also, I didn't want to use several jugs of bl ... |
23-6-2017 at 12:53
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I don't know for sure what that is... you could test the precipitate using a procedure from this pap ... |
23-6-2017 at 03:24
by: JJay |
Seperating chrome from iron and nickel, stainless steel
Looks like the transient black color I've been seeing may be this: http://www.sciencemadness.org/smw ... |
22-6-2017 at 22:18
by: JJay |
Seperating chrome from iron and nickel, stainless steel
Today I tried putting some hydrogen peroxide into some technical sodium dichromate solution. It also ... |
22-6-2017 at 21:43
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I didn't notice any black precipitate forming after I filtered. I did notice a transient black color ... |
22-6-2017 at 06:24
by: JJay |
Seperating chrome from iron and nickel, stainless steel
I found in doing my workup that repeated fractional crystallization does improve the purity of calci ... |
21-6-2017 at 12:32
by: JJay |
Science equipment looking for a home
I'm not really sure what the best deal is on argon regulator.... Obviously I want one that is suitab ... |
20-6-2017 at 00:41
by: JJay |
The Short Questions Thread (4)
I don't think I'd put any desiccant in the reaction mixture itself, but you might want to put some i ... |
19-6-2017 at 14:11
by: JJay |
The Short Questions Thread (4)
See page 80 for a discussion of this issue. "Potassium dioxide" is a simple stoichiometric name, *NO ... |
19-6-2017 at 02:19
by: JJay |
The Short Questions Thread (4)
[rquote=485934&tid=25055&author=Darkstar]"Dioxide" is the correct IUPAC nomenclature for the ... |
19-6-2017 at 01:39
by: JJay |
The Short Questions Thread (4)
Superoxide and dioxide are not the same thing. Carbon dioxide is not carbon superoxide, for example. ... |
19-6-2017 at 01:26
by: JJay |
The Short Questions Thread (4)
Ok - to be fair, "dioxide" is not an ion.
"Peroxide" can be an ion if both of the oxygens are ion ... |
18-6-2017 at 22:25
by: JJay |
Mysterious chinese glassware sellers
I don't know... it could be that the glassware sat in storage and got dusty. |
18-6-2017 at 22:06
by: JJay |
Mysterious chinese glassware sellers
It's not uncommon for mail order glassware to arrive dirty from various sources.... Nanshin is gener ... |
18-6-2017 at 21:49
by: JJay |
The Short Questions Thread (4)
Dioxide and peroxide aren't ions... dioxide means it contains two oxygens.
Peroxide means it cont ... |
18-6-2017 at 20:16
by: JJay |
Science equipment looking for a home
I need an argon regulator... looks like I'll be placing another order soon.... |
18-6-2017 at 13:52
by: JJay |
How do you powderise substances?
I usually use a blender. I used to use coffee grinders, but they are harder to clean, hold less mat ... |
18-6-2017 at 13:48
by: JJay |
Running Anti-freeze and ice through condenser instead of H2O and ice?
All submersible pump motors are effectively explosion-proof. The pump itself is required under OSHA ... |
18-6-2017 at 10:00
by: JJay |
Brown copper (II) chloride solution?
[rquote=485859&tid=74859&author=Σldritch]
It does not react with aluminium without water ... |
18-6-2017 at 09:43
by: JJay |
Oxidation of styrene to phenylacetaldehyde
I ran across this paper a while back. I can't read most of it, but according to the authors, it's po ... |
18-6-2017 at 00:02
by: JJay |
Brown copper (II) chloride solution?
I've dissolved anhydrous copper (ii) chloride in dry acetone before... the solution was brown. I cou ... |
17-6-2017 at 20:25
by: JJay |
Removing acetone from ethers and other non polars
I think you can make it from burning sulfur and sodium hydroxide... it's one of the most easily acce ... |
17-6-2017 at 17:22
by: JJay |
OTC Oxalyl Chloride Challenge
It's been a while since I posted this, so I figured I would give this thread a bump.
The challeng ... |
17-6-2017 at 13:34
by: JJay |
Is there any way I can determine my acid/base concentrations from what is on hand?
I'm planning on running some titrations today. My understanding is that sodium carbonate makes a goo ... |
17-6-2017 at 07:33
by: JJay |
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