Chemistry
Drinking-Water Hardness across Ward Sources: An EDTA Titration Study with Quality Control
Total and calcium hardness of 24 Bengaluru ward sources by APHA 2340 C titration, QC-checked and judged against IS 10500:2012
- EDTA complexometric titration (APHA 2340 C)
- Eriochrome Black-T and murexide indicators
- standard CaCO3 for EDTA standardisation
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