Variables: pH total_organic_carbon Substances: Acetazolamide (BZKPWHYZMXOIDC-UHFFFAOYSA-N) 1-Propanesulfonate (KCXFHTAICRTXLI-UHFFFAOYSA-N) 1-Naphthylacetic acid (PRPINYUDVPFIRX-UHFFFAOYSA-N)