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Brewing Homemade Vinegar to Make Acetic Acid
S.C. Wack pretty much laid it out. You might want to look at the Pasteur method, it might work out b ...
28-9-2021 at 12:15
by: happyfooddance
Does evaporation release ions into the air?
[rquote=664394&tid=157002&author=zed]Awww, I remember making NaOH solutions as a lab tech. ...
23-8-2021 at 11:26
by: happyfooddance
propyl octanoate
There are many esters that smell like coconut! Check out the database at goodscents:

http://www.t ...
21-8-2021 at 20:05
by: happyfooddance
Frustration with trying to make ammonium formate
HCOOH + NH4HCO3 = NH4HCOO + H2O

You are making as many molecules of water as you are of your prod ...
14-8-2021 at 10:24
by: happyfooddance
Chromatography Silica 60Å, 15-40µm
You could grind and sieve it yourself: be careful if you do as this can be very dangerous. Do not us ...
13-8-2021 at 09:33
by: happyfooddance
Electrolysis of Sodium Iodide to get Iodine
Not all pvp is created equal; however, in my experience when using NaOH the iodine has remained comp ...
11-8-2021 at 22:39
by: happyfooddance
Electrolysis of Sodium Iodide to get Iodine
NaOH doesn't break down pvp very well, it [i]complexes[/i] with it!

KOH, on the other hand, will ...
11-8-2021 at 18:04
by: happyfooddance
DIY Low Temperature Refractory Plaster/Cement?
I've been using finely ground vermiculite + waterglass to make firebricks with great success.

I'v ...
11-8-2021 at 11:51
by: happyfooddance
Chemical purity grade food
The standards that govern food quality differ from region to region and from product to product. In ...
2-8-2021 at 14:21
by: happyfooddance
DCM
Ethyl acetate is used to decaffeinate coffee industrially, so yes.

However, caffeine is much more ...
23-1-2020 at 15:29
by: happyfooddance
Magpie has died
Thank you Magpie for your contributions here (and elsewhere).

You were always kind, helpful, and ...
9-1-2020 at 10:28
by: happyfooddance
Glassware safety with 22.5 micron vacuum pump
I use 500ml flat bottom "round bottom" boiling flasks all the time, they are great as recieving flas ...
11-12-2019 at 10:23
by: happyfooddance
Sulfuric acid from distillation issues
Is your acid still hot?
17-9-2019 at 18:02
by: happyfooddance
Home made Flocculant for Lye solution and hydroxides?
You haven't indicated the concentration of your lye solution or its known/suspected Pb/Zn content, b ...
16-9-2019 at 11:22
by: happyfooddance
Carboxylic acid to nitriles using microwave radiation
I doubt any emulsification agent or even PTC would hinder a simple steam distillation of this produc ...
11-9-2019 at 01:28
by: happyfooddance
Diy PTFE Boiling Chips
Silica gel kitty litter works great and is cheap.

PTFE might look smooth and porous; the naked ey ...
9-9-2019 at 22:49
by: happyfooddance
Any other calcium salt from Calcium Sulfate?
Be careful because moist CaCl2 decomposes and evolves HCl, I've ruined a microwave or two this way.. ...
4-9-2019 at 22:17
by: happyfooddance
Any other calcium salt from Calcium Sulfate?
I remembered posting about this before, and there are useful references in this thread:

http://ww ...
4-9-2019 at 07:21
by: happyfooddance
tool coatings removal
Jesus Christ, if you are going to quote someone, at least do so accurately.

Edit: basically, that ...
3-9-2019 at 20:46
by: happyfooddance
Any other calcium salt from Calcium Sulfate?
[rquote=622101&tid=153608&author=hodges][rquote=621979&tid=153608&author=happyfoodda ...
3-9-2019 at 16:36
by: happyfooddance
tool coatings removal
I would try an ester like ethyl acetate, or some smallish solvent like MEK.

Dilute HCl sounds lik ...
3-9-2019 at 15:48
by: happyfooddance
Any other calcium salt from Calcium Sulfate?
[rquote=622003&tid=153608&author=Antiswat]this is quite something, i always felt like there ...
3-9-2019 at 09:48
by: happyfooddance
Any other calcium salt from Calcium Sulfate?
Yup, I do this routinely (metathesis with sodium carbonate) and it is quantitative. But because of t ...
2-9-2019 at 19:50
by: happyfooddance
Concentrating H2SO4 without distillation (with flask ans some PTFE )
I don't know if the pores in the ptfe tape are the mechanism or if it's capillary spaces, a little r ...
27-7-2019 at 16:29
by: happyfooddance
Ammonia salt precipitation
The only thing insoluble I can think of is NI3 :)

But that isn't practical.

I store larger qu ...
27-7-2019 at 15:18
by: happyfooddance
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