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Heating mantle
Just ordered one just like that, except 1000mL. I expect delivery any day now. All my mantle experie ... |
17-7-2017 at 18:11
by: PirateDocBrown |
What to look for in a soxhlet extractor?
Yep, coffee filters.
I use a male 45/50 to female 24/40 adapter, and a 24/40 Liebig. It works.
... |
16-7-2017 at 16:33
by: PirateDocBrown |
#16 Gilbert outfit (1954), with microscope.
Craigslist find!
Looks nearly new and complete, some of the chemicals are degraded.
[file]602 ... |
13-7-2017 at 20:47
by: PirateDocBrown |
Urea
Did find some in a Food Lion on a visit to the Deep South. The ones in the Walmart near me are CAN. |
28-6-2017 at 12:47
by: PirateDocBrown |
Mysterious chinese glassware sellers
I have had 2 orders from Nanshin, one was a complete fractional distillation set, and the other a la ... |
19-6-2017 at 10:34
by: PirateDocBrown |
Running Anti-freeze and ice through condenser instead of H2O and ice?
Dry ice/ Acetone for really cold. |
18-6-2017 at 09:07
by: PirateDocBrown |
Vigreux Column w/ side arm vs without - does it effect performance?
I use clear vinyl tubing for condenser feed.
One nice thing about the new condenser, is that my o ... |
14-6-2017 at 20:42
by: PirateDocBrown |
Vigreux Column w/ side arm vs without - does it effect performance?
This is what I got:
The flasks are 1000 and 500. Can't have too many flasks!
The column is 200 ... |
14-6-2017 at 16:43
by: PirateDocBrown |
Why is acetonitrile considered a hazardous material?
Its NFPA is only 2 for Health, but 3 for Flammability. |
8-6-2017 at 17:43
by: PirateDocBrown |
Cheap/Easy Sources of Magnesium Metal
Pyrotechnics suppliers. Pretty sure Skylighter has turnings for $8 a pound or so.
[Edited on 6/ ... |
7-6-2017 at 10:05
by: PirateDocBrown |
Hypothetically drinkable ethanol from methylated spirits
Check for methanol.
H2SO4 and Na2Cr2O7. Smell the result. If there's significant methanol, formal ... |
3-6-2017 at 04:29
by: PirateDocBrown |
Sketchiest supplier site I've seen in a while.
While I could use both I2 and RP, I'm not nearly dumb enough to order some from China with a Western ... |
2-6-2017 at 10:20
by: PirateDocBrown |
Sketchiest supplier site I've seen in a while.
http://www.pharmacychem.com
Anyone ever order from them? |
2-6-2017 at 07:14
by: PirateDocBrown |
Cleaning up aliphatic "naphtha".
Yes, it seems likely it's a carboxylic acid. These have much higher BPs than their parent hydrocarbo ... |
30-5-2017 at 09:07
by: PirateDocBrown |
Cleaning up aliphatic "naphtha".
Try doing a fractional distil of a small amount. Get good numbers for IBP and FBP, and note the frac ... |
30-5-2017 at 00:43
by: PirateDocBrown |
chromatography - polarities
Chromatography media are oxides, with strong affinity for compounds with high polarity. |
29-5-2017 at 07:14
by: PirateDocBrown |
Overhead Stirring
My experience with these has been positive, but it was in 2 piece kettle reactors, under N2, and wit ... |
27-5-2017 at 16:19
by: PirateDocBrown |
The Short Questions Thread (4)
Heat. |
26-5-2017 at 23:57
by: PirateDocBrown |
White phosphorus to red?
I was just wondering if and forum members had made the conversion.
You see lots of people making ... |
26-5-2017 at 16:10
by: PirateDocBrown |
Does anybody work in the "chemistry field"?
I worked for a polymer firm when I was an undergrad, making polyester and vinyl ester resins on a pi ... |
26-5-2017 at 16:07
by: PirateDocBrown |
White phosphorus to red?
What technique is used to prevent reaction with air? |
24-5-2017 at 23:12
by: PirateDocBrown |
White phosphorus to red?
Who has done this conversion? Any pointers?
Red P is far easier and safer to handle and store. |
24-5-2017 at 14:14
by: PirateDocBrown |
Latest chemical order?
Magnesium ribbon!
Got some diatomaceous earth, too.
[Edited on 5/24/17 by PirateDocBrown] |
24-5-2017 at 00:48
by: PirateDocBrown |
Got a lot done. Where to go next.
Where'd you get all the nitric acid? |
22-5-2017 at 09:06
by: PirateDocBrown |
Does anybody work in the "chemistry field"?
https://www.khanacademy.org/search?page_search_query=chemistry
https://www.edx.org/course?search_ ... |
22-5-2017 at 09:03
by: PirateDocBrown |
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