Determination of Nitrate and Nitrite Contents in Tube-Well Water in Evwreni Town, Delta State
Keywords:
Nitrate, nitrite, tube-well, Evwreni Town.Abstract
Ten samples of tube-well water were collected at random from Evwreni town, Delta State and sent to the laboratory. The concentration of Nitrate (NO3-) and nitrite (NO2-) in mg/L of tube-well water samples were analyzed, using spectrophotometer method. The result obtained show that nitrate values ranged from 11.8 + 0.1 to 12.8 + 0.2mg/L while that of nitrite ranged from 0.2 + 0.2 to 0.4 + 0.3mg/L and all values were within the WHO maximum acceptable concentration. The tube-well water analyzed and the results obtained are compliance with drinking water standard based on national/international guideline hat provide assurance that such tube-well water is safe for consumption.
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