I need some guide about spectrometers
I saw a lot of DIY spectrometers to analyze light.
Does anyone try to use those DIY spectrometers to analyze water? To detect heavy metals? or a chemical? or any pollutant in the water?
In theory, a spectrometer can detect chemical, biological components and a lot of other things (I have no idea about the technical part)
My question is, making this homemade spectrometer using a webcam, is enough to detect heavy metals in the water ?