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D-tartaric acid
Google "Pasteur tartaric-acid isomers separation"
If you don't seed with a good crystal of each ... |
5-8-2007 at 18:04
by: Eclectic |
The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method
Do you have any porcelain raschig rings or berl saddles for distillation column packing? They shoul ... |
5-8-2007 at 09:54
by: Eclectic |
D-tartaric acid
I thought you might want to try making it from the racemate.
The sodium ammonium salt crystallize ... |
5-8-2007 at 09:47
by: Eclectic |
D-tartaric acid
Order from a brewing and winemaking supply. MUCH cheaper. |
5-8-2007 at 08:37
by: Eclectic |
The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method
You also have a problem with the SO3 solidifying and blocking the condenser if the temperature is to ... |
5-8-2007 at 03:24
by: Eclectic |
D-tartaric acid
The sodium-potassium salt (Rochelle salt) will easily grow large crystals... |
4-8-2007 at 23:39
by: Eclectic |
D-tartaric acid
I seem to recall that tartaric acid was one of the first compounds separated into optically pure iso ... |
4-8-2007 at 16:16
by: Eclectic |
D-tartaric acid
You can try to grow very large crystals and the separate them visually. AIR, you get mirror image ... |
4-8-2007 at 15:32
by: Eclectic |
The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method
I have a book on H2SO4 manufacture that indicates that the catalyst is V2O5 in molten K2SO4, or bett ... |
4-8-2007 at 11:02
by: Eclectic |
The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method
You might try 1/8" bead activated alumina, silica gel, or even molecular sieves as the V2O5 carrier. ... |
4-8-2007 at 08:59
by: Eclectic |
Improving Cognition with Anit-Nootropics?
Sort of like trying to treat panic disorder with methampetamine? Make it worse so you feel better o ... |
4-8-2007 at 07:37
by: Eclectic |
Nitroguanidine from Sulphamic acid and Urea
I've seen ammonium metaphosphate and polyphosphate listed as fertilizers, but the N-P-K numbers look ... |
4-8-2007 at 07:27
by: Eclectic |
Nitroguanidine from Sulphamic acid and Urea
Very nice! Now we just need a preparation method for ammonium metaphosphate from monoammonium phosp ... |
3-8-2007 at 10:00
by: Eclectic |
More on PbO2 electrodes
Rosco, I read through the Ti capacitor patent, and found some good info in there about alcohols faci ... |
29-7-2007 at 22:42
by: Eclectic |
More on PbO2 electrodes
Dann, this is about the 3rd time you've asked these questions going down this path...
Are we be ... |
29-7-2007 at 21:50
by: Eclectic |
More on PbO2 electrodes
It sounds like you are trying to apply too much coating before baking. Also, the alcohol may be in ... |
28-7-2007 at 18:29
by: Eclectic |
SnCl4:5H20 to Anhydrous SnCl4
You can't easily get anhydrous SnCl4 from SnCl4.(H2O)5. You can't easily and safely get SnCl4.(H2O) ... |
28-7-2007 at 16:24
by: Eclectic |
More on PbO2 electrodes
Can I read that capacitor reference? That's some good info.
I'm thinking that with SnCl2 in th ... |
27-7-2007 at 08:38
by: Eclectic |
More on PbO2 electrodes
12N HCl isn't really that corrosive to titanium. Dann did an experiment for me with 25% SnCl2 in 10 ... |
27-7-2007 at 07:41
by: Eclectic |
More on PbO2 electrodes
I'm not sure how long it takes for the excess to decompose, and excess H2O2 may be one of the reason ... |
27-7-2007 at 05:38
by: Eclectic |
More on PbO2 electrodes
You are not using enough HCl. Your solutions are not behaving at all like what I made from 95/5 sol ... |
26-7-2007 at 17:02
by: Eclectic |
Lead Dioxide on Magnetite
Tyburn, west of London, where criminals went to be hanged.
Hence, to "go west" means to die.  |
25-7-2007 at 20:12
by: Eclectic |
one of our own BUSTED for a firework!
I didn't just rant and rave when I was on the receiving end of this bullshit. I used my first amend ... |
25-7-2007 at 03:41
by: Eclectic |
one of our own BUSTED for a firework!
It's just that sort of bullshit abdication of our civil rights that make things like this seem accep ... |
24-7-2007 at 16:05
by: Eclectic |
More on PbO2 electrodes
There is one thing that looks "dodgy" or intentionally misdirecting in some of the patents: Why wou ... |
24-7-2007 at 13:23
by: Eclectic |
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