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KMID : 0385520110240040304
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Analytical Science & Technology
2011 Volume.24 No. 4 p.304 ~ p.309
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A study on the relationship between concentration of phosphorus, turbidity, and pH in water and soil
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Min Young-Hong
Hyun Dae-Yoeung
Eum Chul-Hun
Lee Seung-Ho
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Abstract
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In this research, behaviour of turbidity and phosphorus in water and soil dependent upon pH and a change of water was studied. Phosphorus dissolve rate from turbidity was increased for water if potential of hydrogen was less than pH 4 or more than pH 7. Turbidity release rate from soil was increased with pH. Turbidity release rate from soil was drastically increased for water if potential of hydrogen was more than pH 4. turbidity release rate from soil was stabilized more than pH 6. Dissolved phosphorus was increased from 2 hours to 24 hours and stabilized in 24 hours. Turbidity was reached the peak of 24 hours and decreased from 24 hours to 96 hours. Turbidity and dissolved phosphorus was decreased for water if these samples were changed a overlying water. Behaviour of turbidity was analogous to dissolved phosphorus when potential of hydrogen was increased from pH 6 to pH 10 and a change of overlying water was increased from 1 time to 4 times. These results suggest that phosphorus dissolve rate and turbidity were directiy correlated with pH. These results are of great importance in lakes because most lakes have a pH in the range of pH 7-10.
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KEYWORD
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turbidity, overlying water, dissolved phosphorus, DP, NTU
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