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how to get pH of colored solution
[rquote=328983&tid=30210&author=HgDinis25]Do you need only an aproximation or do you need an ... |
23-4-2014 at 15:45
by: DraconicAcid |
How do I go about separating a metal - phosphine complex from amines in the organic phase?
Phosphines are far weaker Bronsted-Lowry bases than amines; I'm not sure that they act as bases at a ... |
23-4-2014 at 08:19
by: DraconicAcid |
Phosphoric acid for nickel(II) determination
If you do make DMG, remember that it's not a titration, but a gravimetric analysis. |
22-4-2014 at 19:27
by: DraconicAcid |
Psilocin deprotonation?
Hydroxide should easily deprotonate a phenol. |
17-4-2014 at 13:01
by: DraconicAcid |
Shelf life of Ammonia and Muriatic acid
If HCl is contaminated by iron or copper salts, it will be yellow.
If it is HCl, it will react re ... |
17-4-2014 at 11:27
by: DraconicAcid |
calculating pH of salts of polyprotonic acids
Actually, for an amphoteric ion at reasonable concentrations, the pH is pretty close to the average ... |
17-4-2014 at 08:17
by: DraconicAcid |
Sodium Ibuprofenate
Ibuprofen is a more-or-less plain carboxylic acid (a substituted phenylpropanoic acid), and will hav ... |
16-4-2014 at 20:04
by: DraconicAcid |
Total lunar eclipse over North America
I saw it! It was surprisingly non-cloudy...just a few wispy things in the general area. |
15-4-2014 at 10:58
by: DraconicAcid |
Thermochromic Tetrachlorocuprate
The reaction of sodium hydroxide with the diethylammonium cation will be diethylamine, which you cou ... |
15-4-2014 at 09:44
by: DraconicAcid |
Converting amino acid salts to freebase amino acids?
http://pac.iupac.org/publications/pac/pdf/1997/pdf/6905x0935.pdf
It should work. |
14-4-2014 at 19:54
by: DraconicAcid |
Total lunar eclipse over North America
I'm going to try, but I live in the cloudy part of the country, so I'm not getting my hopes up too h ... |
14-4-2014 at 19:04
by: DraconicAcid |
Converting amino acid salts to freebase amino acids?
Sodium bicarbonate should do the trick, but you'll still have a zwitterion (NH[sub]3[/sub][sup]+[/su ... |
14-4-2014 at 18:17
by: DraconicAcid |
Removing Iron contamination from Sulphuric acid
[rquote=327054&tid=30054&author=blogfast25]Distillation should work but distilling conc. H2S ... |
11-4-2014 at 13:44
by: DraconicAcid |
'Meeth-isle' or 'Meth-ill'? Pronunciation of organic groups
I say a-SEE-tull. Biologists seem to say assa-TEEL for some reason. |
11-4-2014 at 13:19
by: DraconicAcid |
'Meeth-isle' or 'Meth-ill'? Pronunciation of organic groups
[rquote=327020&tid=30056&author=eidolonicaurum]Much like you, I interchange between the two. ... |
11-4-2014 at 11:33
by: DraconicAcid |
Removing Iron contamination from Sulphuric acid
[rquote=327008&tid=30054&author=CHRIS25]Mm, the method of my choice - I don't have any. But ... |
11-4-2014 at 11:13
by: DraconicAcid |
Pennies and vinegar
Isn't it the zinc sulphide that's phosphorescent? |
11-4-2014 at 11:12
by: DraconicAcid |
Removing Iron contamination from Sulphuric acid
[rquote=326968&tid=30054&author=Zyklonb]I have no references to back this hypothesis, but yo ... |
11-4-2014 at 11:05
by: DraconicAcid |
Pennies and vinegar
From Wiki: http://en.wikipedia.org/wiki/Penny_%28United_States_coin%29
1856–1864 88% copper, 1 ... |
11-4-2014 at 10:57
by: DraconicAcid |
Pennies and vinegar
[rquote=326997&tid=30057&author=Zyklonb]The copper and zinc isn't an alloy, it's ~98% zinc p ... |
11-4-2014 at 10:51
by: DraconicAcid |
Pennies and vinegar
2 Cu + 4 HC[sub]2[/sub]H[sub]3[/sub]O[sub]2[/sub] + O[sub]2[/sub] --> 2 Cu([sub]2[/sub]H[sub]3[/s ... |
11-4-2014 at 10:49
by: DraconicAcid |
how was chemistry performed in the 1800's, prior to analytical equipment?
I love reading old chem texts...the ones that describe iodine as a solid "with a distinctive taste", ... |
11-4-2014 at 10:45
by: DraconicAcid |
Pennies and vinegar
It will get hot. But it's still not going to allow an unbalanced equation to happen (are those elec ... |
11-4-2014 at 10:34
by: DraconicAcid |
Pennies and vinegar
The reaction as you've written it cannot happen, as it isn't balanced. You have no net charge on th ... |
11-4-2014 at 10:17
by: DraconicAcid |
'Meeth-isle' or 'Meth-ill'? Pronunciation of organic groups
[rquote=326981&tid=30056&author=Magpie]What about meta? Is it may-ta or meh-ta?[/rquote]
A ... |
11-4-2014 at 10:11
by: DraconicAcid |
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