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How dangerous is it? How should it be done?
Don't see why concentrated sulfuric acid might be required. Ordinary Bat will do. It is somewhat cor ... |
9-10-2015 at 01:04
by: ave369 |
Can I use Ca(OH)2 to produce Al₂O₃?
They do exist here.
I don't think calcium hydroxide will work. But it can be used to make sodium ... |
8-10-2015 at 14:34
by: ave369 |
Making CaCO3 or CaSO4 in a simple way?
Calcium hydroxide isn't insoluble, it is weakly soluble. And it does react with any carbonate, preci ... |
8-10-2015 at 01:00
by: ave369 |
CS2
[rquote=422041&tid=63861&author=szuko03]
ridiculous stuff,
250ml RBF using a vacuum. ... |
7-10-2015 at 11:38
by: ave369 |
HELP(sulfuric acid)
Also, pure iron pipes will do. Maybe a bit more green vitriol impurity, but it will work. |
4-10-2015 at 14:07
by: ave369 |
DMSO: Some Uses
I've recently found that DMSO is sold in drugstores in my country, and this piqued my interest in th ... |
4-10-2015 at 10:44
by: ave369 |
Making Bleach
A question for someone who tried making bleach.
How intensely does chlorine react with a concentr ... |
3-10-2015 at 08:32
by: ave369 |
Tin and Zinc Chloride Synthesis
I don't like to dissolve metals in hydrochloric acid directly. Not fast enough. My favourite method ... |
3-10-2015 at 02:36
by: ave369 |
MgSO4 to MgO
[rquote=421430&tid=63824&author=Korialstrasz69] i filter with ordinary tissue(Yes.).any advi ... |
3-10-2015 at 02:29
by: ave369 |
Caffeine
Caffeine can sublime. Try subliming the powder you have by heating it in a beaker (or jar), with a f ... |
3-10-2015 at 02:23
by: ave369 |
MgSO4 to MgO
[rquote=421404&tid=63824&author=deltaH]filtering and washing the hydroxide might be consider ... |
2-10-2015 at 10:58
by: ave369 |
DIY Hazmat Suit
Do you really deal with such huge concentrations of phosphine that it behaves like a contact poison ... |
1-10-2015 at 22:54
by: ave369 |
Dilute sulfuric acid in fruit dehydtrator
Sulfuric acid requires high-temperature distillation equipment, not the standard one. Most water-coo ... |
1-10-2015 at 03:56
by: ave369 |
Bad days in the lab or with glassware?
Shit happening to glassware is becoming disturbingly common in my lab. Yesterday I broke my pi-shape ... |
1-10-2015 at 01:18
by: ave369 |
Repairing cracked glassware
Common new stuff is readily available by mail order. This way I can obtain test tubes, flasks and be ... |
30-9-2015 at 13:04
by: ave369 |
HELP(sulfuric acid)
[rquote=421096&tid=63755&author=Korialstrasz69]Umm...fuck...
SO2 if much less corrosive tha ... |
29-9-2015 at 22:35
by: ave369 |
Ask a solution of Buchner funnel
It is always safer to use the Buchner flask (thick-walled Erlenmeyer with side arm) than any kind of ... |
29-9-2015 at 13:40
by: ave369 |
HELP(sulfuric acid)
Plastics do not resist heat. And pyrosulfate pyrolysis occurs at 500-600 Celsius. Any plastic will b ... |
28-9-2015 at 04:40
by: ave369 |
DIY - Poor Mans Fume Hood - No Pics. Have it assembled within 1 hour of leaving the store.
[rquote=420889&tid=31918&author=aga]Surely the Perfect Poor Man's Fume Cupboard is simply be ... |
27-9-2015 at 23:34
by: ave369 |
DIY - Poor Mans Fume Hood - No Pics. Have it assembled within 1 hour of leaving the store.
I have a Russian brick stove. It already has a built-in (unfanned) fume hood for removing smoke from ... |
27-9-2015 at 11:38
by: ave369 |
Repairing cracked glassware
Addendum 2: on the Russian chemical forum, people advice me to treat the crack tips with HYDROFLUOR ... |
27-9-2015 at 11:30
by: ave369 |
Advice on vacuum assisted filtration
I've got a Buchner set (flask + funnel + ring) and a makeshift hand vacuum pump. Everything works, d ... |
27-9-2015 at 03:48
by: ave369 |
Repairing cracked glassware
Russian brick oven is also very powerful. It's a workable low-tech replacement for an annealing furn ... |
26-9-2015 at 23:33
by: ave369 |
Repairing cracked glassware
Today I've got a big problem: my favourite retort developed a small, web-shaped crack in the side. I ... |
26-9-2015 at 07:05
by: ave369 |
HELP(sulfuric acid)
Oxalic acid is sold in hardware stores, as cleaning powder to wipe off insoluble salts from hard wat ... |
26-9-2015 at 05:26
by: ave369 |
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