Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
ammonium sulfamate source?
I think that 497 is correct - soil bacteria break down urea very rapidly, releasing CO2 and NH3. The ...
31-8-2011 at 05:27
by: not_important
Sodium Hypochlorite?
Didn't say your were dumb; there's a difference between lacking information and being dumb.

How ...
29-8-2011 at 08:42
by: not_important
Legally acquiring radioactive isotopes
Which country? Some places have zero regulations, or poor controls; in either case the black market ...
29-8-2011 at 07:44
by: not_important
Sodium Hypochlorite?
[rquote=220432&tid=17383&author=Acetic Acid]I do not intend to produce the pure liquid hydra ...
29-8-2011 at 06:57
by: not_important
ammonium sulfamate source?

http://www.amenity.co.uk/compost-accelerators/ammonium-sulphamate-compost-accelerator-25kg.html

...
29-8-2011 at 06:23
by: not_important
Removal of Iron from Manganese
Ah, but with ether you can extract from aqueous solution, while with acetone you need to work with t ...
29-8-2011 at 06:13
by: not_important
Lanthanides and Actinides
Yes, and no. There's a decent summary at http://en.wikipedia.org/wiki/Group_3_element#Group_border ...
29-8-2011 at 06:10
by: not_important
Nitric acid via nitrate salt & NaHCO3 or H2CO3
[rquote=220251&tid=17367&author=Otter]...
Once you have a solution of hydrated aluminum and ...
27-8-2011 at 07:36
by: not_important
Synthesis of malonic acid
Alpha-amino acids can be successfully diazotised. See the following discussion from obscure site h ...
27-8-2011 at 05:47
by: not_important
Nitric acid via nitrate salt & NaHCO3 or H2CO3
The CO2 is more volatile than HNO3, so it will gas off even at low temperatures never mind the Ka v ...
26-8-2011 at 08:42
by: not_important
Removal of Iron from Manganese
When I was doing this I had access to cheap slaked lime and lye with some NaCl content; both did fin ...
26-8-2011 at 08:29
by: not_important
Removal of Iron from Manganese
If you do use NaOCl, then don't use NH3 8-)

I prefer using ammonium salts because A) they tend n ...
26-8-2011 at 06:57
by: not_important
Reduction of Arsenic Trioxide with Lithium
What does your use of the term "safely" mean? You're dealing with fairly toxic materials, safety dep ...
26-8-2011 at 06:40
by: not_important
NaCN bait for rodents
The HCl is the rodents digestive system converts the carbonate to the chloride; the carbonate is ess ...
26-8-2011 at 06:33
by: not_important
Removal of Iron from Manganese
Once you have the metal, electro-refining is the best route. A bit tricky, requires careful control ...
26-8-2011 at 06:20
by: not_important
Reduction of Arsenic Trioxide with Lithium
Good chance you had lead arsenate. I bought some decades ago when it was still a common pesticide, a ...
25-8-2011 at 20:03
by: not_important
Phenol From Glow Sticks
For another method Try Google:

[i]phenol from salicylic acid site:http://www.sciencemadness.org[ ...
25-8-2011 at 19:55
by: not_important
NaCN bait for rodents
Most rodent poisons these days are anti-coagulants, only need low does and are slow enough that acc ...
25-8-2011 at 19:45
by: not_important
Why is oxone so cheap?
[rquote=219294&tid=17298&author=Budzsta]...
Hmm, I was under the impression that H2SO4 and ...
22-8-2011 at 06:00
by: not_important
HCL gas from muriatic acid
Alternatively:

1) scrounge a used photovoltaic array

2) make a small electrolytic cell that w ...
21-8-2011 at 06:34
by: not_important
diol to oxo conversion
If it is the 1,1 diol then it's a hydrate. Dump into tolune and azetrope off the water.

If it's t ...
20-8-2011 at 20:14
by: not_important
HCL gas from muriatic acid
The higher concentration is cheaper to ship per unit HCl delivered; it usually gets diluted by the e ...
20-8-2011 at 07:02
by: not_important
A question about Diodes
As bobm4360 said - an old trick. The diodes must be low leakage below their conductance threshold l ...
20-8-2011 at 06:55
by: not_important
Aluminium foil to Aluminium Oxide?
Some palce it is easy to purchase 'dry ice', which is reasonable handy for immediate use.

Yeah, s ...
19-8-2011 at 08:17
by: not_important
The folly of extracting zero-point energy
[rquote=219423&tid=17305&author=AndersHoveland]The second law of thermodynamics is only a ge ...
19-8-2011 at 06:42
by: not_important
[Next Page]

  Go To Top