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Mercury cleanup suggestions.
[rquote=635685&tid=155357&author=j_sum1]Metallic mercury is not soluble ionic mercury is not ... |
14-5-2020 at 20:50
by: electrokinetic |
Mercury cleanup suggestions.
[rquote=635674&tid=155357&author=morganbw]Perhaps you worry too much?[/rquote]
I was thin ... |
9-5-2020 at 16:51
by: electrokinetic |
Mercury cleanup suggestions.
[rquote=635672&tid=155357&author=BromicAcid]Usual procedure I have been taught is to take a ... |
9-5-2020 at 16:42
by: electrokinetic |
Mercury cleanup suggestions.
The teacher who had my classroom before me had a somewhat lax attitude toward mercury. For example, ... |
9-5-2020 at 16:32
by: electrokinetic |
Hardened Borax in Beaker
[rquote=477967&tid=72990&author=Tsjerk]Try to boil the water, the solubility goes up enormou ... |
17-3-2017 at 20:02
by: electrokinetic |
Hardened Borax in Beaker
A colleague borrowed my 2 L beaker and made a borax solution in it for her students. She doesn't re ... |
17-3-2017 at 19:12
by: electrokinetic |
Reduction at a Cathode
[rquote=443492&tid=65734&author=gatosgr]
you need to read about this too
https://www.g ... |
28-3-2016 at 13:47
by: electrokinetic |
Reduction at a Cathode
I'm trying to better my understanding of electrochemistry and there is a question I haven't been abl ... |
27-3-2016 at 23:09
by: electrokinetic |
Mystery Glassware Identification Thread
Let's call this #6. It's an Ehrlenmeyer flask with a tube running through it. The picture doesn't ... |
19-7-2014 at 11:33
by: electrokinetic |
Mystery Glassware Identification Thread
[rquote=338816&tid=31796&author=Ascaridole]Wow that is an unusual setup definitely custom. I ... |
18-7-2014 at 17:06
by: electrokinetic |
Mystery Glassware II
Here's another piece that I could use help identifying:
[file]32525[/file] |
18-7-2014 at 10:25
by: electrokinetic |
Mystery Glassware Identification Thread
[rquote=338785&tid=31602&author=kavu]That's a TLC sprayer, bottom suction tube is place into ... |
18-7-2014 at 10:23
by: electrokinetic |
Mystery Glassware Identification Thread
Here's another one. So bizzare because I can't think of anyway to cover the open face, which I'm gu ... |
18-7-2014 at 08:20
by: electrokinetic |
Mystery Glassware Identification Thread
I recently received a rather large treasure trove of glassware from a friend who is a chem professor ... |
13-7-2014 at 15:45
by: electrokinetic |
Separating copper and nickel
Unfortunately, H2S is beyond my abilities at this point.
[rquote=256597&tid=21088&auth ... |
7-8-2012 at 12:22
by: electrokinetic |
Separating copper and nickel
Sorry, deserve to get flamed. You all are correct, there is a very lengthy post on this and I shoul ... |
7-8-2012 at 12:14
by: electrokinetic |
Separating copper and nickel
Got a solution of an approx 11:1 copper chloride:nickel chloride solution, with whatever other ions ... |
6-8-2012 at 18:39
by: electrokinetic |
Platinum and Catalytic Converters
Someone, please, tell me what the catch is here.
There are guys on ebay selling catalytic convert ... |
23-7-2012 at 13:40
by: electrokinetic |
Please help me avoid killing my students.
99: Thanks, I'll try it. And the desks ARE black :-)
BIOCI: my 7th grade teacher never had us d ... |
23-6-2012 at 14:05
by: electrokinetic |
Please help me avoid killing my students.
My class of 7th graders is going to be dissecting some old carbon zinc batteries. The main issue is ... |
22-6-2012 at 11:35
by: electrokinetic |
Sulfuric acid from copper sulfate
Funny you posted this, I'm doing the same thing except my goal isn't to get sulfuric acid, it's just ... |
20-6-2012 at 20:05
by: electrokinetic |
Copper solution mystery
Okay, as for the reddish stuff formed on the first go:
1. I noticed it turning black as it dried o ... |
18-6-2012 at 13:30
by: electrokinetic |
Copper solution mystery
Okay, did that, but the solution turned black and I got a reddish precipitate. No blue gel. |
12-6-2012 at 15:31
by: electrokinetic |
Copper solution mystery
Well, the solubility product of CuCO3 is 1.4x10-10, but that's for pure CuCO3. We have Cu2(OH)2CO3 ... |
11-6-2012 at 07:58
by: electrokinetic |
Copper solution mystery
I forgot to add that when I was adding the sodium carbonate there wasn't any fizzing at all.
And ... |
7-6-2012 at 13:10
by: electrokinetic |
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