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old lime kilns
Here's pictures of 1800's era lime kilns that I recently saw while on vacation. The brightened phot ... |
17-7-2015 at 18:42
by: Magpie |
large vessels: best way of heating and stirring ?
I try to keep most of my syntheses to 500 ml RBF size or less. When making reagents for stock I wil ... |
13-7-2015 at 18:31
by: Magpie |
Recrystallation of Fertilizer Grade Urea
I'm glad it's timely for you NedsHead.
I just recrystallized 200g of urea in preparation for maki ... |
13-7-2015 at 08:22
by: Magpie |
Recrystallation of Fertilizer Grade Urea
1. Set up a 15cm Buchner funnel with filter paper on a 1000 ml suction flask. A smaller funnel and ... |
12-7-2015 at 20:58
by: Magpie |
Sealing ampoules
What motor did you use? May we see it? |
12-7-2015 at 09:54
by: Magpie |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
[rquote=412091&tid=62973&author=blogfast25][b]The Wave function ψ (psi, “pseye”) - The ... |
12-7-2015 at 09:52
by: Magpie |
Low melting salt mixtures
I have used the tin/bismuth eutectic (mp =139°C) but I needed less than a kg. |
12-7-2015 at 09:48
by: Magpie |
propionyl chloride
acetic anhydride is a tricky one. It is currently available from the secondary market in the US. H ... |
10-7-2015 at 09:24
by: Magpie |
It finally happened, the police showed up
Praxichys for President!
1. How would you deal with religion, cults, and other forms of the supe ... |
10-7-2015 at 09:17
by: Magpie |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
This is fascinating material and a review for all I have forgotten.
I found the explanation for t ... |
9-7-2015 at 18:17
by: Magpie |
A quick contribution: Diethylene Glycol
Here's a video of a guy making dioxane from ethylene glycol anti-freeze. He's using NaOH for drying ... |
8-7-2015 at 21:07
by: Magpie |
A quick contribution: Diethylene Glycol
Thank you for this! I thought that chafing dish fuel was a Sterno type, ie, made from ethanol or me ... |
8-7-2015 at 09:33
by: Magpie |
propionyl chloride
Your video is, as usual, very well presented. Have you seen my similar method?:
http://www.scien ... |
8-7-2015 at 08:33
by: Magpie |
Glove protection
Gloves were unheard of when I was first doing chemistry at school in the '60s. Then in lab courses ... |
7-7-2015 at 20:20
by: Magpie |
Electronic lab notebook
I like a standard lined notebook. I keep it in a leather jacket that my son gave me for Christmas. ... |
7-7-2015 at 20:05
by: Magpie |
A quick contribution: Diethylene Glycol
For those anticipating a need for this compound it would be a good time to place your order for Cogh ... |
7-7-2015 at 09:26
by: Magpie |
500 ml copper flask
[rquote=411586&tid=62936&author=violet sin]So no blue his time, outstanding, I'd say that's ... |
6-7-2015 at 17:54
by: Magpie |
500 ml copper flask
The final (and successful) test of the flask was reflux of 157g of 68wt% NaOH for nearly an hour. T ... |
6-7-2015 at 12:38
by: Magpie |
Trimethyl Borate
Did you look at my procedure? I give the reaction there. |
5-7-2015 at 20:21
by: Magpie |
Trimethyl Borate
I believe that methyl borate is the archaic name. In the old references listed at the bottom of my ... |
5-7-2015 at 19:54
by: Magpie |
500 ml copper flask
Not intentional. Must be sodium cuprate. |
5-7-2015 at 18:57
by: Magpie |
Trimethyl Borate
http://www.sigmaaldrich.com/catalog/product/fluka/92330?lang=en®ion=US |
5-7-2015 at 18:54
by: Magpie |
500 ml copper flask
Here's a better picture of the flask. The blue liquid is the 350 ml of 10% NaOH after refluxing in ... |
5-7-2015 at 18:39
by: Magpie |
500 ml copper flask
No, using an acetylene torch he just melted the wire onto the seam as I rotated the sphere a little ... |
5-7-2015 at 17:15
by: Magpie |
500 ml copper flask
It was not tricky at all to drill the hole - the vendor drilled it! I requested a 1.00" hole. The ... |
5-7-2015 at 14:59
by: Magpie |
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