Recent content by akrmn

By the way, if there is an easier or alternative way to give an indication of plastic levels in water, then someone please let me know. I already did a heavy metals test using a simple testing kit (with strips), but for this it is more complicated and also risky with the NaOH spilling... I just...

Thank you! I think that covers everything. I guess the other question on my mind is how to map color to concentration (ppm), at least roughly, but I will look around. Edit: I think one way is to take a control sample of water I consider "clean" and see if there is a major difference.

On wikipedia (https://en.wikipedia.org/wiki/Iron(III)_chloride) it says: The ferric chloride test is a traditional colorimetric test for phenols, which uses a 1% iron(III) chloride solution that has been neutralised with sodium hydroxide until a slight precipitate of FeO(OH) is formed.[26] The...