| Search |
| [Next Page] |
Nitric acid from ammonium nitrate?
Give or take the inabillity to balance equations, the method using Ca(OH)2 then H2SO4 would work fin ... |
18-4-2005 at 12:34
by: unionised |
Mercaptans from CS2, alcohol + alkali
"As far as I am aware of (and looking at references besides), there is no note of carbon disulf ... |
16-4-2005 at 01:54
by: unionised |
Purification of silver nitrate
A straightforward recrystalisation from water should work. Water/alcohol would be easier to work wit ... |
12-4-2005 at 10:59
by: unionised |
SECURE YOUR GAS MASK!!
Is it just me who's wondering if this is a good topic for discussion.
Let's face it, a b ... |
12-4-2005 at 10:14
by: unionised |
Is chemical education being cramped by current safety regulations?
FBI said
"You children need to study these articles carefully. Read it and weep!
"
I ... |
12-4-2005 at 09:39
by: unionised |
Is chemical education being cramped by current safety regulations?
I live across the pond, so my outlook might be a bit different.
Here
http://www.hmso.gov.uk/acts/ ... |
10-4-2005 at 04:01
by: unionised |
The future, and oil
Your politicians might be that ill advised. Over here in the UK they reprocess the stuff.
http://ww ... |
25-3-2005 at 08:41
by: unionised |
Why Double Iron Salts?
Ferrous ammonium sulphate is used as a secondary standard for redox titrations. It is better than fe ... |
22-3-2005 at 14:22
by: unionised |
how to remove the Br atom?
If anyone can think of a suitable way of protecting the acid then conversion to the Grignard then ad ... |
22-3-2005 at 14:09
by: unionised |
dry HBr?
IIRC the 48% is the azeotrope with water. Azeotrope compositions vary with pressure so vacuum distil ... |
22-3-2005 at 13:55
by: unionised |
Malic Acid (Apple Acid)
I wonder if it's worth fermenting it and distilling to get rid of the sugars as alcohol.
Calci ... |
21-3-2005 at 14:43
by: unionised |
distillation practice
Just remember that, while water is a good material to practice on, it's still a big problem if ... |
20-3-2005 at 08:23
by: unionised |
Removing stainless steel lining from copper cookware
"(btw, quince, Cu doesnt have a better tc. than Al. Al is almost 2x better) This might be the r ... |
20-3-2005 at 08:17
by: unionised |
Removing stainless steel lining from copper cookware
" Is there any oily substance that will resist HCL "
Most oils would do. Given that this ... |
17-3-2005 at 14:15
by: unionised |
Nicotine Extraction and purification
Well, it's not an alkaloid, it's not really basic, but it is quite polar, its the phenolic ... |
16-3-2005 at 14:28
by: unionised |
Carbon Monoxide
Producer gas is not the same as water gas. One is derived from coke and steam, the other from coke a ... |
16-3-2005 at 14:16
by: unionised |
Accidental reaction... what have I made?
Are you sure there was any real chemistry involved?
The solvation energy of ZnCl2 and/ or HCl by me ... |
16-3-2005 at 13:54
by: unionised |
Removing stainless steel lining from copper cookware
Last time I checked copper was a noble metal and iron, chromium and nickel were not. In principle an ... |
16-3-2005 at 13:43
by: unionised |
Reflux
Most flexible vinyl tubing has a lot of plasticiser in it. This will leach out into your reaction mi ... |
13-3-2005 at 03:00
by: unionised |
Reflux
In chemistry and medicine the word means "to flow back".
It's very popular on organi ... |
10-3-2005 at 13:57
by: unionised |
Mn3O4 (manganeese oxide)
It's black.
It has a density of 4.856 g/cc.
It's also known as hausmannite
It's t ... |
10-3-2005 at 13:50
by: unionised |
platinum catalyst
Pd or Pt? |
10-3-2005 at 13:45
by: unionised |
Experiments with liquid Nitrogen...
Here's a tale about what NOT to do with it.
http://pharyngula.org/index/weblog/comments/aaiiee ... |
6-3-2005 at 07:54
by: unionised |
Nicotine Extraction and purification
Have you thought about freezing the water out of an extract? |
5-3-2005 at 08:49
by: unionised |
Scientific Method
"... and suddenly, all the Geologists, Anthropologists, Paleontologists, Meteorologists, Theore ... |
5-3-2005 at 08:03
by: unionised |
| [Next Page] |
