Um valor de pH de 5,9 nas águas residuais contendo sulfúrico é considerado dentro dos padrões?

2016-04-09View Original

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Um valor de pH de 5,9 nas águas residuais contendo sulfúrico é considerado dentro dos padrões?

Reply #22016-04-09

Não entendo isso. Geralmente, deve ser em um ambiente alcalino, com pH acima de 9

Reply #32016-04-09

Precisa ser de 6 para 9, ainda falta um pouco.

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