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What is Determining Water Hardness via EDTA Titration about?

This experiment involves determining the hardness of water samples through complexometric titration using EDTA. First, the EDTA solution is standardized against a calcium carbonate standard. Then an unknown water sample is titrated while indicating with Eriochrome Black T. By calculating the volume of EDTA used, the hardness of the sample in ppm of calcium carbonate can be determined. The titration relies on EDTA chelating the metal ions in the sample. This allows the experiment to quantify the concentratio

Author

Joemer Absalon Adorna

Language

EN