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Cheap, Low-Resolution, Raman Spectroscopy
[rquote=275862&tid=23422&author=IrC]Try more like 20 to 50 mw. I have a couple of those. 5 m ... |
23-2-2013 at 23:39
by: radagast |
Backscattering Configuration
A quick Saturday-evening update before I begin drinking . . .
I've found that when using the 90 d ... |
23-2-2013 at 16:45
by: radagast |
Cheap, Low-Resolution, Raman Spectroscopy
A word of caution to anyone using a direct D.C. power supply to power the 5 mW green "laser pointer" ... |
22-2-2013 at 12:06
by: radagast |
Chemical start-up
What Dr. Bob said. I wish that a small chemical supplier like the one the OP proposed existed, but ... |
22-2-2013 at 09:09
by: radagast |
College discards pile yields hotplate/stirrer
I actually LOL'd at your DIY hotplate.
Nice score on the equipment being thrown out. I can't emp ... |
21-2-2013 at 10:33
by: radagast |
Question Re: "Azeotropy"
Thanks very much, Nicodem -- this is very helpful! |
21-2-2013 at 10:28
by: radagast |
Question Re: "Azeotropy"
Hi all,
I'm having trouble understanding the reference to "azeotropy" in the attached excerpt (un ... |
21-2-2013 at 09:14
by: radagast |
Cheap, Low-Resolution, Raman Spectroscopy
Thanks for the very helpful comments, Watson. To clarify re: your advice on the backscatter from th ... |
19-2-2013 at 11:49
by: radagast |
Can we have a trade forum?
[rquote=274960&tid=23353&author=Mailinmypocket]What about the more hazardous items and minor ... |
18-2-2013 at 19:42
by: radagast |
Cheap, Low-Resolution, Raman Spectroscopy
Amateur chemists need a way to identify and characterize compounds, and buying analytical equipment ... |
18-2-2013 at 18:11
by: radagast |
Yamato rotavap glassware set
I would somewhat surprised if a Buchi rotovap (the one linked in your Ebay post) worked on a Yamato ... |
18-2-2013 at 11:27
by: radagast |
Clarifications
(1) Do you need just the water-cooled condenser (in which case, why not just buy the one on Ebay), o ... |
17-2-2013 at 15:42
by: radagast |
DIY condenser
Good point; might have to use some kind of heat-resistant plastic and epoxy for those areas.
On a ... |
16-2-2013 at 07:07
by: radagast |
Quite Clever
With a little more work, you can turn that into a setup for microdistillation.
http://www.erowid. ... |
15-2-2013 at 23:14
by: radagast |
Cot damn
Cot damn, you lucky SOB! |
14-2-2013 at 07:33
by: radagast |
quick question on vaccuum source
At that price range ($150 to 200), I don't think you'll find a pump that automatically adjusts its p ... |
5-2-2013 at 17:34
by: radagast |
Vacuum Pump
What do you need to distill and what's your budget?
For distilling corrosive acids or organic sol ... |
5-2-2013 at 11:39
by: radagast |
Chromatotron
How about using a Chromatotron or Cyclograph to purify ~100 mg. to 1 gram of product? I've played a ... |
4-2-2013 at 21:17
by: radagast |
Building a rotatory evaporator
Terrific work. Although I already have a Buchi rotovap, I may try building one of these because I l ... |
26-1-2013 at 19:25
by: radagast |
More Updates
After replacing the check valves on the Gilson 305 pump and hooking it up a manometric module, I fou ... |
24-1-2013 at 17:06
by: radagast |
What chemicals do you need?
By the way, I ordered a Variac from the OP (Ephesian) and received it promptly. So I was happy with ... |
18-1-2013 at 16:10
by: radagast |
Glassware Shelves
I was tired of my glassware rolling off of my plastic shelf. To solve that issue, I turned the shel ... |
17-1-2013 at 16:48
by: radagast |
More Updates
Since we're both working on restoring HPLCs, I thought I'd occasionally post updates here.
I trie ... |
17-1-2013 at 16:44
by: radagast |
What chemicals do you need?
Sodium hydride dispersion. |
17-1-2013 at 11:53
by: radagast |
Proposed project: Waters Prep LC500 meets rPi?
I ran into a similar issue with an old Perkin-Elmer Lambda 3B UV/Vis spectrometer, which only contai ... |
29-12-2012 at 21:42
by: radagast |
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