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Separating MgCl2 from a solution of MgCl2 and CaCl2
I have a basic grasp of the common ion effect. The part I'm wrestling with is how, for example, the ...
16-5-2015 at 09:04
by: DistractionGrating
Separating MgCl2 from a solution of MgCl2 and CaCl2
In pure water, absent any other ions, CaSO4 is more soluble than CaCO3, but solubility is affected b ...
15-5-2015 at 20:59
by: DistractionGrating
Chalk purification
Isn't CaCO3 useful as a primary standard for determination of calcium by EDTA titration?
15-5-2015 at 16:53
by: DistractionGrating
Separating MgCl2 from a solution of MgCl2 and CaCl2
[rquote=405011&tid=62373&author=blogfast25]The cost of the molybdate would not justify tryin ...
15-5-2015 at 12:41
by: DistractionGrating
Separating MgCl2 from a solution of MgCl2 and CaCl2
Checking solubility tables, I see that Calcium molybdate is only sparingly soluble (0.004099 g / 100 ...
15-5-2015 at 10:56
by: DistractionGrating
Separating MgCl2 from a solution of MgCl2 and CaCl2
Gboneu, I think you are confusing Manganese (Mn) with Magnesium (Mg).

You have a point, though, t ...
12-5-2015 at 11:40
by: DistractionGrating
Separating MgCl2 from a solution of MgCl2 and CaCl2
Wouldn't another option be to add NaOH or KOH to precipitate Mg(OH)2, and then add HCl to the Mg(OH) ...
11-5-2015 at 12:02
by: DistractionGrating
Himalayan salt (faked?)
[rquote=403131&tid=62225&author=vmelkon]I had written down a procedure as to how to separate ...
28-4-2015 at 13:40
by: DistractionGrating
Arsenic in wine
I live and work in Napa Valley. Seven bottles a week is more like it.
19-3-2015 at 22:52
by: DistractionGrating
How old are you
I'm 54, so I guess I don't exist..... :(
27-2-2015 at 21:45
by: DistractionGrating
HCL in California?
I'm in California. I get it from my pool supply store.
25-2-2015 at 16:28
by: DistractionGrating
Standardisation from scratch?
[rquote=394288&tid=61594&author=blogfast25]The simpler truth is that recrystallizing sodium ...
23-2-2015 at 21:41
by: DistractionGrating
Standardisation from scratch?
So, reading up a bit on the "common ion effect", and I apologize if I'm derailing the thread, even i ...
23-2-2015 at 21:40
by: DistractionGrating
Standardisation from scratch?
I was thinking that the solubility of the sodium sulfate might be very low in the context of a satur ...
23-2-2015 at 18:21
by: DistractionGrating
Standardisation from scratch?
[rquote=394237&tid=61594&author=Fulmen]Decomposing bicarbonate can't magically remove non-vo ...
23-2-2015 at 16:45
by: DistractionGrating
Standardisation from scratch?
[rquote=393055&tid=61594&author=blogfast25]
Thrice recrystallized [b]sodium carbonate[/b], ...
23-2-2015 at 13:14
by: DistractionGrating
Preparing a w/w% solution
Magpie: I agree.

blogfast25: The use of the VF was just to meet the 100mL requirement. I'll re ...
7-2-2015 at 18:49
by: DistractionGrating
Preparing a w/w% solution
[rquote=390999&tid=61482&author=Yttrium2]So if one wanted 100mL of 10% NaCl w/w% how would t ...
7-2-2015 at 15:22
by: DistractionGrating
Preparing a w/w% solution
blogfast25: 1.1927 <> 1.163. You have proven that contraction has occurred. The correct val ...
7-2-2015 at 14:15
by: DistractionGrating
Preparing a w/w% solution
[rquote=391028&tid=61482&author=blogfast25]...assuming mixing NaCl with water does not resul ...
7-2-2015 at 12:07
by: DistractionGrating
Calculation of refractive index of binary aqueous solutions
Digging deeper into this, apparently you need empirically derived data for each solute compound in o ...
20-12-2014 at 20:27
by: DistractionGrating
Calculation of refractive index of binary aqueous solutions
After doing some more searching, I suspect that I may find my answer in this paper: http://www.ecd. ...
19-12-2014 at 19:47
by: DistractionGrating
Calculation of refractive index of binary aqueous solutions
I am attempting to calculate the refractive index of various salt water mixes. My understanding is ...
19-12-2014 at 11:53
by: DistractionGrating
Separate CaCl2 from MgCl2
So, then it sounds like we're back to adding NaOH or Ca(OH)2, precipitating out Mg(OH)2, leaving the ...
4-12-2014 at 17:54
by: DistractionGrating
Separate CaCl2 from MgCl2
Let's assume that a particular bag of ice melt was largely MgCl2 contaminated with an unknown amount ...
4-12-2014 at 00:03
by: DistractionGrating
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