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0.1M HCl questions
[rquote=502319&tid=79423&author=unionised][rquote=502277&tid=79423&author=NEMO-Chemi ...
2-1-2018 at 13:11
by: happyfooddance
0.1M HCl questions
http://www.handymath.com/cgi-bin/hcltble3.cgi?submit=Entry
2-1-2018 at 12:16
by: happyfooddance
0.1M HCl questions
I never use this, but https://www.sigmaaldrich.com/chemistry/stockroom-reagents/learning-center/tech ...
2-1-2018 at 11:23
by: happyfooddance
Proper tubing for vacuum - what works best?
[rquote=502153&tid=79344&author=Radium212]I tend to use tubing only when necessary, and have ...
2-1-2018 at 08:53
by: happyfooddance
Most Efficient Way of Making HCl?
Our stomachs use HCl to break down food. Vomit is a viable route.
2-1-2018 at 08:49
by: happyfooddance
Fe oxalate complexes
Oh, my bad
2-1-2018 at 08:39
by: happyfooddance
Fe oxalate complexes
If you have soluble ferrous salts, it's as easy as adding oxalic acid, and heating/stirring, and fil ...
2-1-2018 at 08:21
by: happyfooddance
Making a micro-buchner vacuum filtration wand.
Sometimes I don't even intersperse a wash bottle, when I am removing mostly aqueous things that are ...
31-12-2017 at 11:49
by: happyfooddance
Weird Color in Esterification Reaction
[rquote=501993&tid=79351&author=UC235]Iron-salicylic acid complex. It's strongly purple, pro ...
30-12-2017 at 15:15
by: happyfooddance
Weird Color in Esterification Reaction
I have also never seen that shade of purple when performing this reaction. It darkens up, but not th ...
30-12-2017 at 13:46
by: happyfooddance
Making a micro-buchner vacuum filtration wand.
I think I understand what you are getting at. You are looking for a way to decant without disturbing ...
30-12-2017 at 10:24
by: happyfooddance
Making a micro-buchner vacuum filtration wand.
I think you might be confused as to what a "buchner" funnel is. What is in the picture above is a "f ...
29-12-2017 at 14:49
by: happyfooddance
AN in cold packs - don't trust the ingredient list
Did you try reacting it with an acid? It might be something more inert, like sililca...
28-12-2017 at 07:12
by: happyfooddance
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents
[rquote=501586&tid=79236&author=NEMO-Chemistry]

The trouble is the curiosity effect! Or t ...
26-12-2017 at 11:34
by: happyfooddance
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents
[rquote=501583&tid=79236&author=NEMO-Chemistry]

The problem for me really is, Calcium Oxi ...
26-12-2017 at 11:24
by: happyfooddance
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents
A piece of foil over the top might suffice, though it will burn if too close to the coals. Closed co ...
26-12-2017 at 11:00
by: happyfooddance
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents
Calcium hydroxide does indeed attract CO2, but not when you approach the temperatures that will remo ...
26-12-2017 at 09:51
by: happyfooddance
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents
How can hydroxide decompose into carbonate, please tell?

Edit: Drying etOH with CaO isn't a high ...
26-12-2017 at 08:31
by: happyfooddance
Vacuum distillation - can it alone break azeotrope? Simple media bottle setup for alcohols & solvents
Yes, vacuum does in fact break the ethanol azeotrope. You don't need tremendous vacuum to get around ...
25-12-2017 at 10:13
by: happyfooddance
Gentle rust removal w/o nasty residues
For me, oxalic works better than citric or acetic. A more important factor to reduce rusting is your ...
5-12-2017 at 15:09
by: happyfooddance
Manganese nitrate synthesis
Of course.
5-12-2017 at 14:02
by: happyfooddance
Purifying luminol
Ozone: you are so bad-ass. I have always appreciated your contributions, and it makes me really happ ...
2-12-2017 at 12:26
by: happyfooddance
K2 thermocouple and distillations
Pretty much what Xeon said, but: Take a 7mm O.D. boro capillary tube (or make one), shove the thermo ...
1-12-2017 at 11:48
by: happyfooddance
alkali hydroxide - soap question
Yes. Their notable property is their ridiculous cost.

Also, probably liquid at stp, or very low m ...
29-11-2017 at 14:19
by: happyfooddance
Yellow calcium chloride
I have tried it. More than a few times. I have also tried to skim crystals as they form in a boiling ...
22-11-2017 at 16:56
by: happyfooddance
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