| Search |
| [Next Page] |
NaOH question
I asked because, while molten alkali metals and their hydroxides will attack teflon the solutions ge ... |
1-12-2003 at 15:43
by: unionised |
DNP -A great fatburner
It's a petty point, and I don't want to be seen to agree with the morality of selling thes ... |
1-12-2003 at 15:30
by: unionised |
synthesis of azodicarbonamide
The commercial prep. is the reaction of hydrazine with urea then oxidation with (IIRC) chlorine. |
1-12-2003 at 14:59
by: unionised |
High vacuum CHEAP and dirty!
Most diff pumps use oil, partly because of the problems with mercury, partly because with a syntheti ... |
1-12-2003 at 14:54
by: unionised |
NaOH question
Were there little black bits of teflon floating in the solution when you finished boiling? |
1-12-2003 at 13:54
by: unionised |
Radioactive Boyscout
OK,I accept that repeated electrolysis will get you there; very expensively.
A lot of the productio ... |
1-12-2003 at 13:52
by: unionised |
NaNO2 failure
I know it' not the same thing but I did the experiment with charcoal (activated as it happens) ... |
1-12-2003 at 13:41
by: unionised |
Magnesium Nitrate
WTF has that got to do with this thread?
Anyway, I looked in Bretherick to see what it said about m ... |
30-11-2003 at 15:33
by: unionised |
NaOH question
OOPS!
Did you not know that reasonably strong bases will dissolve aluminium? |
30-11-2003 at 13:48
by: unionised |
NaNO2 failure
And the thermolysis of the nitrite?
What guarantee is there that, having been freshly generated in ... |
30-11-2003 at 13:37
by: unionised |
Dry ice as a laser medium
Organikum did point out that he was working from memory. The website included such details as a spec ... |
30-11-2003 at 05:48
by: unionised |
Reference Literature
You might be able to get an"out of date" copy relatively cheap. Mine is a 10th edition and ... |
30-11-2003 at 05:37
by: unionised |
How many chemists does it take?.........
Personally I just folded up some foil then filed it.
Can't think what I would really want pod ... |
30-11-2003 at 05:34
by: unionised |
Preparation of cyanides
I'm a little suprised that nobody has tried the "grow your own" approach to cyanide b ... |
30-11-2003 at 05:19
by: unionised |
Sulfuric acid and water trapping.
It depends.
If you get 2 beakers, one with H2SO4 and the other with clean water and put them in a s ... |
30-11-2003 at 04:31
by: unionised |
Aluminum powder synthesis
If the aluminium powder was mainly oxide;
1 It wouldn't work and
2 It wouldn't look like ... |
30-11-2003 at 04:09
by: unionised |
Radioactive Boyscout
I can generate billions of He nuclei per second using a discharge lamp. I can't get an alpha so ... |
30-11-2003 at 04:01
by: unionised |
NaNO2 failure
Let me now when anyone gainsays the point that repeated reduction with an excess of carbon will redu ... |
30-11-2003 at 03:48
by: unionised |
Dry ice as a laser medium
Did anyone look at how the sulphur lamp works? I accept that I foolishly accepted what people had po ... |
29-11-2003 at 08:02
by: unionised |
DNP -A great fatburner
If I were to ignore the moral issues and just wanted to sell fat burning drugs to the overweight I w ... |
29-11-2003 at 07:41
by: unionised |
Nitrated petrolium jelly
It would be posible to add the OH, but it would be tricky. (chlorination then hydrolysis looks the o ... |
29-11-2003 at 07:23
by: unionised |
Radioactive Boyscout
Sorry, didn't make myself clear. Accelerating the He ions left after doing the easy bit (ie ion ... |
29-11-2003 at 07:15
by: unionised |
Radioactive Boyscout
It's relatively easy to knock the electrons off helium. The difficult bit is accelerating them ... |
29-11-2003 at 03:56
by: unionised |
Catalytic chlorination
Unfortunately, it doesn't dissolve in water very well. |
28-11-2003 at 12:33
by: unionised |
NaNO2 failure
Cycling the product through the reduction stage repeatedly will reduce all of it.
With a mixture o ... |
28-11-2003 at 12:30
by: unionised |
| [Next Page] |
