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Alternative to magnetic stir-bar? Personally i prefer PICs, yet i'd use an arduino for PWM these days, simply due to the ridiculously ... |
7-6-2015 at 23:35 by: aga |
Anything to be wary of [url]http://en.m.wikipedia.org/wiki/Endospore#Formation_and_destruction[/url]
"Endospores are abl ... |
7-6-2015 at 23:31 by: aga |
stepper motor power supply Just pick up a used PC PSU and it will be absolutely fine.
PCs don't run too well on dirty power, ... |
7-6-2015 at 14:11 by: aga |
Things That Frustrate As A DIY Chemist Nope.
We're all Odd and live all over the planet, and don't really do 'people events' as well as ... |
7-6-2015 at 13:50 by: aga |
Pretty Pictures (2) And so you shall TVC ! |
7-6-2015 at 13:43 by: aga |
Anything to be wary of [rquote=408492&tid=62684&author=Zombie]Many common pathogens survive boiling temps.[/rquote] ... |
7-6-2015 at 13:39 by: aga |
Alternative to magnetic stir-bar? One solution to a difficult viscous liquid in a 3L RBF would be multiple stirbars.
Needs multiple ... |
7-6-2015 at 13:30 by: aga |
Anything to be wary of If you're paranoid, put a lid on the pan, or use a pressure cooking pot.
Most likely this has alr ... |
7-6-2015 at 13:17 by: aga |
Selling my two 19L pyrex Carboy For beer ?
Far too small, even for day-to-day domestic use |
7-6-2015 at 13:13 by: aga |
Anything to be wary of Boil them.
All Life tends to stop above about 72 C after a few minutes.
Give it an hour of boi ... |
7-6-2015 at 13:09 by: aga |
How to circulate solution without contamination? [rquote=408309&tid=62660&author=JohnBee]Disclosing the product would undermine the potential ... |
7-6-2015 at 11:18 by: aga |
Building a polarimeter The DC motor/encoder has led to all sorts of useful DSP routines you now have in your library, plus ... |
7-6-2015 at 11:10 by: aga |
Building a polarimeter Thanks for the explanation of FFT - i get it now !
Oh i can put the stepper anywhere i want, just ... |
7-6-2015 at 10:25 by: aga |
Building a polarimeter Cheers smaerd.
I can see now why the data needs to be smooth and have no lumps !
The complexit ... |
7-6-2015 at 07:47 by: aga |
Building a polarimeter Moving average smooths the data OK.
Calculating the best fit sine and then the peak is boggling t ... |
6-6-2015 at 22:36 by: aga |
Titrating for saponification AFAIK you need to evaluate the sap number of a small sample of your oil using KOH before you can sa ... |
6-6-2015 at 13:30 by: aga |
aga's ridiculous model of Matter. Update :
I went and had a chat with Steve.
After about 10 seconds of careful consideration he ... |
6-6-2015 at 13:25 by: aga |
Simplest Colorimeter Farming on a small scale can be done in all situations. |
6-6-2015 at 13:11 by: aga |
Building a polarimeter Nope.
The moving average works, but the other 'cog' thing doesn't seem to.
Edit :
any chanc ... |
6-6-2015 at 12:08 by: aga |
Simplest Colorimeter Thou jesteth surely ? |
6-6-2015 at 11:54 by: aga |
Simplest Colorimeter Build one IrC !
Build. Build. Build. |
6-6-2015 at 11:18 by: aga |
Building a polarimeter Been kicking this around a bit today, and came across a couple of references that seem to work, and ... |
6-6-2015 at 04:44 by: aga |
How to circulate solution without contamination? [rquote=408295&tid=62660&author=Bot0nist] understand the need for some projects to be kept c ... |
5-6-2015 at 14:44 by: aga |
How to circulate solution without contamination? So many Egos here.
It is troubling that such brilliant minds are so easily blinded.
Anyway, ju ... |
5-6-2015 at 14:20 by: aga |
Building a polarimeter The graphing routines are pretty crude, so don't rely on them too much !
I just wanted a graph on ... |
5-6-2015 at 13:03 by: aga |
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