EDTA Titration of Ca2+ and Mg2+ in Bottled Water
Table of Contents
- EDTA titration of Ca2+ and Mg2+ in bottled water
- Objective
- Procedure
- Apparatus
- Data and sample calculations
- Results and discussion
- Titration with EDTA using Hydroxynaphthol indicator
SummaryThe objective of this experiment is to determine the total concentration of metal ions required to completely react with EDTA, or ethylene diamine tetra-acetate. The concentration determined will then be taken as the equivalent concentration of Ca2+ and Mg2+. Ca2+ will be analyzed separately in an additional titration after Mg(OH)2 has been precipitated from the solution using a strong base.
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