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Exploring the Quality of Bottled Drinking Water in Dhaka, Bangladesh: A Focus on Physicochemical Parameters, Heavy Metals, and Microbial Contamination

Author

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  • Anika Haider

    (Department of Chemistry, University of Dhaka, Dhaka-1000, Bangladesh)

  • Md. Mazharul Islam

    (Department of Chemistry, University of Dhaka, Dhaka-1000, Bangladesh)

  • Mst. Habiba Khatun

    (Department of Chemistry, University of Dhaka, Dhaka-1000, Bangladesh)

  • Mohammad Shoeb

    (Department of Chemistry, University of Dhaka, Dhaka-1000, Bangladesh)

Abstract

This research endeavors to assess the quality of bottled drinking water (n=30) available in Dhaka, Bangladesh, aiming to provide crucial insights into its safety and suitability for consumption. The investigated parameters were pH (6.34-8.71), EC (3.11-546.00 µScm-1), DO (5.73-11.20 mgL-1), TDS (9.90-317.00 mgL-1), TH (2.24-172.48 mgL-1), Cl– (0.56-43.84 mgL-1), Na+ (1.57-40.46 mgL-1), K+ (0.00-3.43 mgL-1) and Ca2+ (0.37-64.81 mgL-1). According to microbial analysis, imported and domestic brands of water were free of total coliform, E. coli, Fecal coliform, and Salmonella spp. Atomic absorption spectrophotometer (AAS) analysis indicates Pb, Cd, and Cr were 0.01-0.06, bdl-0.0009 and bdl-0.0009 mgL-1, respectively. The Water Quality Index indicates that 70% of the samples were good in quality. The comprehensive analysis reveals that aside from minor fluctuations in pH and DO, the majority of tested parameters align with national and international standards, suggesting overall safety and suitability for consumption, supported by microbiological and elemental analyses, as well as the Water Quality Index assessment.

Suggested Citation

  • Anika Haider & Md. Mazharul Islam & Mst. Habiba Khatun & Mohammad Shoeb, 2024. "Exploring the Quality of Bottled Drinking Water in Dhaka, Bangladesh: A Focus on Physicochemical Parameters, Heavy Metals, and Microbial Contamination," International Journal of Research and Innovation in Applied Science, International Journal of Research and Innovation in Applied Science (IJRIAS), vol. 9(10), pages 121-130, October.
    • Handle: RePEc:bjf:journl:v:9:y:2024:i:10:p:121-130
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