Determination of Water Hardness by Titration

Determination of Water Hardness by Titration

Perform a complexometric titration to determine the level of calcium ions in a water sample.
Investigate the characteristics of an ion exchanger and its water softening uses.
Evaluate the effectiveness of a water softening process.

Materials

Materials

Calmagite Indicator Solution, 1%, 30 mL
Ethylenediaminetetraacetic Acid (EDTA) Solution, 0.01 M, 50 mL
Hard Water Mix, 1 g
Ion Exchange Resin, 10 g
pH 10 Buffer Capsule
Syringe, 10 mL
Syringe, 1 mL
Cotton Ball
Metal Washer
Plastic Mini Spoon

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