2019
DOI: 10.22201/iingen.0718378xe.2019.12.3.63431
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Avaliação Da Qualidade Das Águas Em Poços Destinados Ao Abastecimento Público No Noroeste Do Rio Grande Do Sul

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Cited by 5 publications
(6 citation statements)
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“…On the other hand, total hardness and time in the well showed a tendency towards a strong correlation between the variables, and being positive (r = 0.6605) indicates that the older the well, the greater the total hardness of the water, even without showing a significant correlation (p = 0.0528). The hydroxides and carbonates, characteristic of alkalinity, promote the elevation of the water pH (Mendonça et al, 2019). This can be observed in the correlation between both parameters, where r = 0.3549 indicates a regular and positive trend that the higher the pH, the higher the alkalinity, although not significant (p = 0.2341).…”
Section: Physical -Chemical Analyzesmentioning
confidence: 98%
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“…On the other hand, total hardness and time in the well showed a tendency towards a strong correlation between the variables, and being positive (r = 0.6605) indicates that the older the well, the greater the total hardness of the water, even without showing a significant correlation (p = 0.0528). The hydroxides and carbonates, characteristic of alkalinity, promote the elevation of the water pH (Mendonça et al, 2019). This can be observed in the correlation between both parameters, where r = 0.3549 indicates a regular and positive trend that the higher the pH, the higher the alkalinity, although not significant (p = 0.2341).…”
Section: Physical -Chemical Analyzesmentioning
confidence: 98%
“…Total alkalinity ranged from 17.37 + 3.95 to 190.10 + 1.65 mg/L, relative to the concentration of hydroxides, carbonates and bicarbonates present in the water. These components can react with acids and generate a buffering action (Saidelles et al, 2014;Mendonça et al, 2019). The alkalinity of water can be of natural or anthropogenic origin.…”
Section: Physical -Chemical Analyzesmentioning
confidence: 99%
“…A alcalinidade total variou de 17,37 + 3,95 a 190,10 + 1,65 mg/L, relativa à concentração de hidróxidos, carbonatos e bicarbonatos presentes na água. Esses componentes podem reagir com ácidos e gerar ação tamponante (Saidelles et al, 2014;Mendonça et al, 2019). A alcalinidade da água pode ser de origem natural ou antropogênica.…”
Section: Análises Físico -Químicasunclassified
“…Por outro lado, a dureza total e o tempo de permanência no poço apresentaram tendência a uma forte correlação entre as variáveis, e sendo positivo (r = 0,6605) indica que quanto mais antigo o poço, maior será a dureza total da água, mesmo sem apresentar correlação significativa (p = 0,0528). Os hidróxidos e carbonatos, característicos da alcalinidade, promovem a elevação do pH da água(Mendonça et al, 2019). Isto pode ser observado na correlação entre ambos os parâmetros, onde r = 0,3549 indica uma tendência regular e positiva de que quanto maior o pH, maior a alcalinidade, embora não significativa (p = 0,2341).Não houve correlação significativa entre as variáveis dureza total e pH (p = 0,0823).Porém, o coeficiente de correlação negativo (r = -0,4994) sugere que quanto maior o pH, menor a dureza.…”
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