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sartorius 2462
Does anyone know how to operate an ancient analytical balance like this? |
9-12-2004 at 06:10
by: Hjalmar_Poelzig |
other patents
Other processes for preparation of ferrates are known and used, many of them also involving the reac ... |
14-7-2004 at 03:11
by: Hjalmar_Poelzig |
seen this?
Abstract of US5746994
A method of producing ferrate is disclosed, in which Fe3+ is oxidized with ... |
14-7-2004 at 02:28
by: Hjalmar_Poelzig |
my taste in chemical smells
My favorite smells are:
2-hydroxy-5-methoxybenzaldehyde
p-ethoxyphenol (reminds me of pistachio ... |
12-7-2004 at 04:01
by: Hjalmar_Poelzig |
almost forgot
The reference for the tryptophan/acetophenone paper that claims the 100% yield I mentioned is:
Bu ... |
5-7-2004 at 12:40
by: Hjalmar_Poelzig |
many thanks!
A very clever idea I must say! 
Looks like it is ideal as a general home pressure bomb.
... |
5-7-2004 at 05:44
by: Hjalmar_Poelzig |
I must be blind!
Why didn't I see this before?
Great find, many thanks! |
2-7-2004 at 03:54
by: Hjalmar_Poelzig |
decarboxylation of tryptophan
There is an article from Bull. Soc. Chim. Fr. from the 1960s that claims 100% yield from the decarbo ... |
2-7-2004 at 03:39
by: Hjalmar_Poelzig |
the nitrate salt has a catalytic effect
So the nitrate salt does not get consumed.
I don't know exactly why it does have this promo ... |
12-5-2004 at 04:53
by: Hjalmar_Poelzig |
Have you read the patent?
Obviously not 
Get your lazy ass up and read it! 
They use 1% of the weight of magnesium.
... |
12-5-2004 at 02:32
by: Hjalmar_Poelzig |
have a look at the patent
at gb.espacenet.com or uspto.gov
I couldn't say for sure why a catalytic amount of nitrate e ... |
11-5-2004 at 00:22
by: Hjalmar_Poelzig |
check out this patent
US2816937 : Preparation of phenyl magnesium chloride
Not only do they use the much less reactive ... |
9-5-2004 at 10:44
by: Hjalmar_Poelzig |
the patent
It is in US patent 1430304
Also, I seem to remember that it is not possible to get a quantitative ... |
3-5-2004 at 08:55
by: Hjalmar_Poelzig |
Ac2O
Nobody mentioned the patent which uses sodium pyrosulfate and sodium acetate? (can't remember i ... |
28-4-2004 at 10:11
by: Hjalmar_Poelzig |
phenylacetyl carbinol
phenylacetyl carbinol is a precursor for both norephedrine (aka phenylpropanolamine) and ephedrine.
... |
28-4-2004 at 06:24
by: Hjalmar_Poelzig |
ZnCl2 and basic salts
When hydrated ZnCl2 is heated, one is left chiefly with Zn(OH)Cl and HCl.
If you want anhydrous Z ... |
4-8-2003 at 21:25
by: Hjalmar_Poelzig |
