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Canada - not receiving things
I've heard that Canada post has become completely unreliable for international shipping these days, ... |
3-2-2017 at 14:15
by: DraconicAcid |
Acid/Base extraction of ASA from aspirin
Then it should work fine. |
2-2-2017 at 12:25
by: DraconicAcid |
Acid/Base extraction of ASA from aspirin
If you add a strong acid, you risk hydrolysing the ASA to acetic acid and salicylic acid. |
2-2-2017 at 12:17
by: DraconicAcid |
Cu + H2SO4 + heat = black precipitate & a Sulfur oxide(s) - where is the CuSO4?
I suspect you'll get CuSO4 in more dilute acid, or under less-than-boiling conditions. |
31-1-2017 at 20:51
by: DraconicAcid |
The Stronger Acid
[rquote=473296&tid=72017&author=ave369]In aqueous solution, the acid is always H3O+. In dry ... |
31-1-2017 at 10:12
by: DraconicAcid |
The Short Questions Thread (4)
Not sure about air baths, but I've seen heating mantles get hot enough to soften the pyrex glass. A ... |
30-1-2017 at 16:53
by: DraconicAcid |
Benzyl Alcohol from Green Stripper
If you don't want to try converting it to the chloride, I'd suggest salting it out. Sodium chloride ... |
30-1-2017 at 11:41
by: DraconicAcid |
The Stronger Acid
For i), there won't be any HBr molecules in an aqueous solution, at least not to any measurable conc ... |
30-1-2017 at 11:24
by: DraconicAcid |
Benzyl Alcohol from Green Stripper
[rquote=473194&tid=72004&author=JJay][rquote=473190&tid=72004&author=DraconicAcid]If ... |
30-1-2017 at 09:41
by: DraconicAcid |
Benzyl Alcohol from Green Stripper
If distillation doesn't work, I suspect that it would be easy to convert it to benzyl chloride with ... |
29-1-2017 at 20:57
by: DraconicAcid |
Transform manganese oxide (III) into manganese oxide (IV)
Can you dissolve the original mixture of oxides in hydrochloric acid, possibly with some reducing ag ... |
29-1-2017 at 19:16
by: DraconicAcid |
V2O5+H2O+EDTA
If you want to make a vanadium EDTA complex, it's probably easiest to reduce the vanadium first. Ma ... |
26-1-2017 at 10:46
by: DraconicAcid |
hello can anyone tell me what this is?
Well, the one picture is a Perkin-Elmer UV-Vis spectrometer. It's for determining the absorbance of ... |
25-1-2017 at 13:56
by: DraconicAcid |
Reaction of pyridine with [Cu(Cl)2(H2O)2] product is pyridine complex or the hydroxide ?
[rquote=472776&tid=71898&author=mnick12]the pka of the pyrdidinium ion is less than 0 IIRC, ... |
24-1-2017 at 19:55
by: DraconicAcid |
Reaction of pyridine with [Cu(Cl)2(H2O)2] product is pyridine complex or the hydroxide ?
[rquote=472608&tid=71898&author=Eddygp][rquote=472605&tid=71898&author=DraconicAcid] ... |
23-1-2017 at 11:28
by: DraconicAcid |
Reaction of pyridine with [Cu(Cl)2(H2O)2] product is pyridine complex or the hydroxide ?
I stand corrected.
However, just because you start with the trans dichloride (cite?) doesn't mean ... |
23-1-2017 at 08:43
by: DraconicAcid |
Reaction of pyridine with [Cu(Cl)2(H2O)2] product is pyridine complex or the hydroxide ?
I suspect that's the hydroxide. I would think the pyridine complex would be much deeper blue, simpl ... |
22-1-2017 at 21:47
by: DraconicAcid |
Hg(II)sulfate
[rquote=472527&tid=71892&author=tsathoggua1]Here they shat themselves at the idea of using H ... |
22-1-2017 at 10:35
by: DraconicAcid |
Is there a way to dissolve silver without HNO3?
I wonder how soluble silver glycinate is.... |
19-1-2017 at 20:53
by: DraconicAcid |
Solvent Extraction of an Acetate Salt
Acetates tend to be quite water-soluble, and I doubt that any of them would be soluble in ether (apa ... |
19-1-2017 at 17:19
by: DraconicAcid |
Making a solution with temperature dependent coloration
Yes, the cobalt one is lovely (we did that in first year, eons ago....). |
17-1-2017 at 12:38
by: DraconicAcid |
Making a solution with temperature dependent coloration
[rquote=472104&tid=71719&author=MeshPL]Do you guys know which common metals form distinctive ... |
16-1-2017 at 09:43
by: DraconicAcid |
Collection of copper compounds.
Ammonium ferrous sulphate is also green, and I think it's more stable than the simple salt. |
14-1-2017 at 09:01
by: DraconicAcid |
Pretty Pictures (2)
[rquote=471896&tid=26378&author=Neme]How does one get so clear transparent crystal? Mine are ... |
14-1-2017 at 02:18
by: DraconicAcid |
Pretty Pictures (2)
A crystal of sucrose, a crystal of nickel-doped ammonium magnesium sulphate dodecahydrate, and cryst ... |
13-1-2017 at 16:17
by: DraconicAcid |
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