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https://doi.org/10.4314/jab.v63i1.87245

has been cited by the following article:

• TITLE: Mineralization of Natural Spring Water in the City of Daloa (West-Central Côte d’Ivoire)

  AUTHORS: Eblin Sampah Georges, Konan Kouakou Séraphin, Ohou-Yao Marie-Jeanne Adélaïde, Mangoua Oi Mangoua Jules, Dibi Brou, Kouassi Kouakou Lazare

  KEYWORDS: NPCA, Mineralization, Natural Spring, Daloa, Côte d’Ivoire

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.8 No.12, December 24, 2020

  ABSTRACT: The water from natural springs in the city of Daloa is increasingly used by the population for its drinking water needs, even though its quality remains unknown. This study aims to determine the acquisition mechanism of the mineralization of these waters. Thus, physicochemical analyses were carried out on 10 spring water samples in February 2019. A summary statistical analysis of the results obtained shows that these waters are acidic (4.81 ≤ pH ≤ 5.39) and very weakly mineralised, with 50% of the conductivities below 100 μS·cm-1. The average iron (0.5 ± 1.02 mg/L) and manganese (0.61 ± 0.90 mg/L) contents show that these two parameters are increasing in the spring water. The Normalized Principal Component Analysis (NPCA) shows that mineralization is mainly controlled by surface inputs of elements (anthropogenic pollution), then the oxidation-reduction phenomenon and, finally, the water-rock contact (mineralization-residence time). Otherwise, the very low expression of water-rock contact (mineralization-residence time) in the acquisition of the mineralization reflects a short residence time of the water in the aquifer.