EDIT: I did the titration. I employed 500ml of my inventory solution HCl, and titrated from my stock solution of NaOH. HCl is 0.001M and NaOH is 5M. This can be a cumbersome procedure, but it is necessary. Given the portions that are being used for every extraction, this stock https://psychedelicstrippyworld.shop/product-category/copyright/page/2/