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Building a polarimeter
Aga - Once we start microstepping this will be perfect. Even if we can only get 16 microsteps per st ... |
7-6-2015 at 16:16
by: smaerd |
Building a polarimeter
Aga I'm going to team stepper motor. I'll take you up on your offer but I'll at least throw somethin ... |
7-6-2015 at 10:50
by: smaerd |
Building a polarimeter
Aga, I think we're at roughly the same spot right now. If you need some code for finding peaks let ... |
7-6-2015 at 08:23
by: smaerd |
Building a polarimeter
Yea aga if that's what you want then thats good enough for general purposes  . I
just want at most ... |
7-6-2015 at 06:33
by: smaerd |
Building a polarimeter
You're averaging looks pretty good.
What do you mean by moving cog? Can you explain with a bit mo ... |
6-6-2015 at 15:19
by: smaerd |
Building a polarimeter
aga you should only be getting 1 peak for 180* of rotation.
Looks good though, increase that reso ... |
5-6-2015 at 12:57
by: smaerd |
Building a polarimeter
For sure aga I am just limited by gears. I have a 96 tooth object gear and a 16 tooth drive gear, th ... |
5-6-2015 at 09:32
by: smaerd |
Simplest Colorimeter
PHILOU Zrealone - You are correct in a lot of ways. Not every LED has the same characteristics. So m ... |
5-6-2015 at 06:40
by: smaerd |
Building a polarimeter
m1tanker - I decided that the next phase is going from the ground up in the arduino and debugging. I ... |
4-6-2015 at 20:19
by: smaerd |
Building a polarimeter
Just tried the zero crossing algorithm. It's about the same as the others. There's some other source ... |
4-6-2015 at 11:07
by: smaerd |
Building a polarimeter
@m1tanker - The fourier transform creates imaginary components in things called 'bins'. So say I put ... |
3-6-2015 at 17:17
by: smaerd |
Building a polarimeter
In the frequency domain phase angle can be very easily extrapolated by the arctangent of the imagina ... |
3-6-2015 at 14:15
by: smaerd |
Building a polarimeter
The harmonic regression was a bust. At it's optimized form(it was quite slow) it was capable of givi ... |
3-6-2015 at 12:06
by: smaerd |
OTC Ethyl Acetate - Non acetone nail polish remover
If you want to use it for TLC, test to see if it has any traces by TLC . If it
doesn't then it sho ... |
2-6-2015 at 20:50
by: smaerd |
Preparation of 1,3-dibromopropane
Cureus - Who says the reaction proceeds via SN1? It probably goes by SN2.
Excellent work here GdF ... |
1-6-2015 at 19:26
by: smaerd |
Building a polarimeter
Actually I don't think I ever elaborated on this piece of information so these are great questions.
... |
1-6-2015 at 19:07
by: smaerd |
Refractometry
Hey all, I know I've been kind of hammering the board with threads about building basic analytical i ... |
1-6-2015 at 18:14
by: smaerd |
Lithography/Lab On a Chip for the Masses
Aga - Yes, you make a mold out of aluminum foil. You pour PDMS overtop of that mold. It sets, you re ... |
1-6-2015 at 14:13
by: smaerd |
Lithography/Lab On a Chip for the Masses
Harristotle - I had actually entertained doing the lithography that way. It's just a lot of effort a ... |
1-6-2015 at 08:57
by: smaerd |
How to dry large amounts of hydroscopics like wet sucrose or sodium chlorate
I don't know much about sodium chlorate other then that it is an oxidant.
One way I have dried h ... |
31-5-2015 at 21:56
by: smaerd |
Eliminating Sugars
Without some kind of ion exchange resin I can't think of anything. Except... Maybe generate iodine i ... |
31-5-2015 at 21:11
by: smaerd |
Building a polarimeter
So I did some work on this today. First things first. Thank you M1Tanker. You were right the red las ... |
31-5-2015 at 14:22
by: smaerd |
Baseline correction algorithm for Raman spectra?
If it's sample fluorescence then a background subtraction won't do much good. If it's just a backgro ... |
29-5-2015 at 16:56
by: smaerd |
stepper motor power supply
So I know you have a 12V line on your old computer PSU, but don't you also have 5V and 3.3V lines? ... |
29-5-2015 at 13:26
by: smaerd |
Baseline correction algorithm for Raman spectra?
Looks pretty good! I'm sure it could be better, but hey, those are peaks! I'm not sure what's happen ... |
29-5-2015 at 09:56
by: smaerd |
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