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Hydrolysis of Nylon 6,6 to obtain Putrescine
[rquote=398652&tid=61930&author=Etaoin Shrdlu]It's nylon 4,6 that incorporates putrescine, a ... |
27-3-2015 at 09:24
by: Praxichys |
Interesting test of how well you know your labware
96%
Had to guess on the Straus flask question, guessed incorrectly. I have always called those 's ... |
27-3-2015 at 09:00
by: Praxichys |
Factice rubber-based propellants from vegetable oils
[rquote=398528&tid=61792&author=Fulmen]
Could I ask how much solid (calculated as MgO) the ... |
27-3-2015 at 06:32
by: Praxichys |
Is old picric acid gauze found in first aid kits really that dangerous?
Hilariously enough, I did a final presentation back in Org 1 on picric acid... the professor was sur ... |
22-3-2015 at 18:26
by: Praxichys |
50g Sodium Metal (Very Clean), Na, Cubed -- For Sale!!!
You guys just made my day. 
EDIT: Also bumped to vouch for Loptr. Solid guy, both to buy f ... |
20-3-2015 at 05:25
by: Praxichys |
Fulminating Gold (EAu)
That reference is excellent. It makes one wonder what happens when one swaps Au for Ag, Hg, Pt, Pb, ... |
20-3-2015 at 05:13
by: Praxichys |
Inexpensive Mercury For Sale
Hey everybody,
Thank you so much for your purchases. I hope I have satisfied everybody who wanted ... |
19-3-2015 at 11:09
by: Praxichys |
Taste of different acids?
- d-Ascorbic acid has a sweet component and is fairly mild.
- Citric acid has a bit of a fruity com ... |
19-3-2015 at 09:19
by: Praxichys |
Factice rubber-based propellants from vegetable oils
How about this:
A saturated solution of sulfur is prepared in hot xylenes. Some linseed oil is he ... |
17-3-2015 at 12:14
by: Praxichys |
Factice rubber-based propellants from vegetable oils
[b]-- Speculation Alert --[/b]
It seems to me that there are some points to be gathered from this ... |
17-3-2015 at 08:22
by: Praxichys |
Ways to get pure chlorine gas in a container/separate from the generator
I can confirm that clear vinyl tubing works fine.
Cl2 can be made in many ways.
TCCA + HCl ... |
11-3-2015 at 11:17
by: Praxichys |
Salting out ethanol and distillation
It seems that my earlier failure could be mainly because I did not bring the water solution up to th ... |
8-3-2015 at 11:24
by: Praxichys |
Salting out ethanol and distillation
[rquote=396100&tid=61746&author=deltaH]
Thanks for the report [b]Praxichys[/b], some commen ... |
8-3-2015 at 08:28
by: Praxichys |
Salting out ethanol and distillation
This method does not work well.
I tried this on a large scale and it was a bit of a disaster. Not ... |
8-3-2015 at 06:13
by: Praxichys |
Balloons, and Principle of Equivalence
Someone needs to add weights to a helium balloon until it is just barely floating, and then take it ... |
6-3-2015 at 11:36
by: Praxichys |
Old phenol has acquired a bluish hue
Agreed. I have some chloraseptic throat spray that contains 1.4% phenol and I love the smell. It is ... |
27-2-2015 at 10:04
by: Praxichys |
HCL in California?
In my experience, tile haze cleaner is usually sulfamic acid.
In my Home Depot, they sell gallo ... |
26-2-2015 at 09:59
by: Praxichys |
Standardisation from scratch?
USP "food grade" OTC items are usually quite pure following some simple purification steps.
You c ... |
24-2-2015 at 13:53
by: Praxichys |
GEET Fuel Processor
A destructive EGT for a typical engine is about 1600°F. Show that you can achieve the 4,000 to 25,0 ... |
24-2-2015 at 12:38
by: Praxichys |
nitroglycerin
[rquote=394127&tid=949&author=Bert]Kind of like this?[/rquote]
Yes, I saw this several po ... |
23-2-2015 at 10:19
by: Praxichys |
nitroglycerin
Nobody here has done it on an amateur scale so I thought I'd bring it up: What about stirring with c ... |
23-2-2015 at 06:58
by: Praxichys |
dissolve corundum
It is the stability created by crystallization which makes it inert to all but the strongest attacks ... |
22-2-2015 at 18:45
by: Praxichys |
Dicyanoacetylene
Heh. Someone should test an oxyliquit using dicyanoacetylene or cyanogen as fuel. |
21-2-2015 at 11:42
by: Praxichys |
Thermocouples
I take short sections of 6mm glass tubing and close one end in a flame. A standard bare thermocouple ... |
20-2-2015 at 09:16
by: Praxichys |
Things That Frustrate As A DIY Chemist
[rquote=392410&tid=61489&author=Sulaiman]I AM NOT A NERD! *goes back to playing KSP as he wa ... |
16-2-2015 at 12:40
by: Praxichys |
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