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Copper Analysis in Fertilizers by Sandra Vanessa Mejia Santillan is a document available to read on EtoBox.
This document outlines an official method from AOAC International for determining the copper content in fertilizers using a short volumetric method. Key steps include: (1) Digesting the fertilizer sample with nitric and sulfuric acid to destroy organic matter. (2) Titrating the sample with a standard sodium thiosulfate solution in the presence of indicators until the solution turns light yellow. (3) Adding starch solution at the endpoint and continuing to titrate until the color remains stable, with the tit
- Author
- Sandra Vanessa Mejia Santillan
- Language
- EN