Determination of some quality indicators of domestic suppy water in Ngo Quyen district, Hai Phong city in 2022

Abstract

Objective: To evaluate the quality criteria: taste, pH, chloride, permanganate, hardness and iron content in domestic water samples based on the Grade A water supply standard of the Ministry of Health. Subjects: Water supply for daily life in Ngo Quyen district, Hai Phong city. Methods: Quantitative molecular absorption spectroscopy method, volumetric analysis method. Results: Evaluation of quality criteria: taste, pH, chloride, permanganate, hardness and iron content based on Grade A water supply standards of the Ministry of Health. Conclusion: The quality of domestic supply water in Ngo Quyen district, Hai Phong city in 2022 met requirements of the standards of the Ministry of Health with identified criteria.