About this document
Closed Reflux Method for COD Analysis by IAabbasi is a document available to read on EtoBox.
This document provides instructions for preparing chemical reagents and standards used in the closed reflux titrimetric and colorimetric methods for measuring chemical oxygen demand (COD). It describes how to make a standard potassium dichromate digestion solution, sulfuric acid reagent with silver sulfate, a ferroin indicator solution, and a standard ferrous ammonium sulfate titrant. It also provides directions for standardizing the titrant solution and preparing a potassium hydrogen phthalate standard. Pr
- Author
- IAabbasi
- Language
- EN