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Isolation of flavonoids (anthocyanidins ) from red cabbage juice
I tried to extract some cyanidin today. Short report, requisite scientific posturing included:
A ... |
23-8-2004 at 16:54
by: Geomancer |
Isolation of flavonoids (anthocyanidins ) from red cabbage juice
I think that the red cabbage pigment is a mixture of anthocyanins, mostly di-glycosides of cyanidin. ... |
22-8-2004 at 21:51
by: Geomancer |
New Energetic Materials - Current Research
Yes, I saw that mentioned. Seemed to be a purely theoretical result. To my knowledge, no exotic mole ... |
21-8-2004 at 19:03
by: Geomancer |
pvc
JohnWW: I'm using plain glycerol, not the nitro-ester. If I can obtain decent physical propert ... |
21-8-2004 at 18:37
by: Geomancer |
Starch Plastisol
I did another experiment with starch based gels today. The purpose was to determine the "gelati ... |
21-8-2004 at 12:00
by: Geomancer |
Ethanol production from anything other than yeast
The original question seemed interested in going from sugar. Eschewing biomimetic routes (what' ... |
18-8-2004 at 17:56
by: Geomancer |
Putrescine & Co.
Are you sure, Reverend? I don't see how a simple alkali will selectively oxidize one of the alc ... |
18-8-2004 at 17:45
by: Geomancer |
reaction of alkenes
JohnWW: I'm pretty sure that when he wrote "==" he meant "+", that is to ... |
18-8-2004 at 17:20
by: Geomancer |
reaction of alkenes
You're right about the phase transfer catalysis, but wrong in assuming that the chloroform is i ... |
17-8-2004 at 13:40
by: Geomancer |
Timole extraction (Thymus vulgaris)
It might; then again, it might not. You might get better results if you used a continuous extraction ... |
17-8-2004 at 13:32
by: Geomancer |
pvc
IvX: He's using a "plastisol" process. The polymer powder is mixed with a plasticizer ... |
13-8-2004 at 15:10
by: Geomancer |
Isolation of urea from urine!
Actually, I found the link somewhat interesting, although it failed to substantiate most of its posi ... |
12-8-2004 at 17:02
by: Geomancer |
pvc
Yes, your post is well nigh incomprehensible. As I interpret, you're trying to make a plastic p ... |
12-8-2004 at 16:53
by: Geomancer |
Oxiclean reaction
"Singlet" and "Triplet" refer to electronic states, not to the number of atoms i ... |
12-8-2004 at 08:21
by: Geomancer |
Oxiclean reaction
HaHA! Alas, I'm not that clever. I was serious. I was also somewhat wrong. Plain old oxygen is ... |
11-8-2004 at 18:53
by: Geomancer |
OP Toxicity
[i]Amanita[/i] spp. are mycorhizal--the instructions you've supplied won't work. You claim ... |
10-8-2004 at 12:35
by: Geomancer |
Oxiclean reaction
Triplet oxygen? Try doing it in the dark (carefull what you breathe); see if it glows. |
10-8-2004 at 12:30
by: Geomancer |
schrodinger equation for the He atom
IIRC, the newtonian three body problem was recently "solved", that is, an infinite series ... |
6-8-2004 at 21:02
by: Geomancer |
Rocketry
When you put in a heavier motor than the rocket was designed for, you moved the center of gravity to ... |
6-8-2004 at 20:54
by: Geomancer |
Allergen Indicator
ELISA stands for Enzyme Linked Immuno Sorbent Assay. For a basic test for this application, you fir ... |
25-7-2004 at 08:47
by: Geomancer |
Allergen Indicator
I'm sorry to hear about your relative. Such tests are available, but are mainly intended for us ... |
24-7-2004 at 07:36
by: Geomancer |
Can sound influence reactions?
Yes, but ordinary sound doesn't really do much. For real sonochemistry, you need high power ult ... |
24-7-2004 at 07:14
by: Geomancer |
Putrescine & Co.
Nylon 6,6 (specificly the acid component) is actually a good precursor. Rather than use the procedur ... |
19-7-2004 at 18:30
by: Geomancer |
How does a jet pack sound?
I suspect that flight time, to a first approximation, scales linearly with specific impulse. I haven ... |
12-7-2004 at 08:17
by: Geomancer |
Any erythritol (alchol) synthesis?
Interesting, usually stuff seems to be approved in the EU before it does over here in the US.
... |
12-7-2004 at 07:56
by: Geomancer |
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