Are you trying to evaluate the efficeiency of the of the cleaning solution used by the original processor or are you trying to develop a cleaning solution that can be used as part of a cleaning process?
From an industrial viewpoint, the reason that the sufactant/caustic systems are used is that...
Why not build it as an FTIR? Simpler design and fewer moving parts.
Here's a referenced build.
https://hackaday.com/2015/04/22/a-diy-fourier-transform-spectrometer/
Hi - my name's Bruce and I'm a chemist with a few years (about 50) of industrial experience.
I like to play around with and learn about things outside of my speciality - so here I am.
Glyphosate is most effective at a pH of around 4.5 – 5.0 (virtually inactive at higher pH - so adding sodium hydroxide isn't a good idea). An acidifying or buffering agent is generally used with glyphosates to reduce pH of the water, if it is alkaline, and to improve effectiveness. It is based...