Effect of Water Treatment Sludge (WTS) on Trace Metals Content in Sorghum (Sorghum bicolor(L.) Moench). Ⅱ. Measuring of Nickel Content of the Forage
2008
Park, B.H. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Choi, I.S. (Joongbu University, Geumsan, Republic of Korea) | Kim, E.Y. (Joongbu University, Geumsan, Republic of Korea) | Lee, E.M. (Joongbu University, Geumsan, Republic of Korea) | Lee, H.J. (Joongbu University, Geumsan, Republic of Korea) | Lee, S.C. (Joongbu University, Geumsan, Republic of Korea) | Park, J.W. (Joongbu University, Geumsan, Republic of Korea) | Yoo, S.M. (Joongbu University, Geumsan, Republic of Korea) | Kim, S.D. (Joongbu University, Geumsan, Republic of Korea), E-mail: [email protected]
Effect of Water Treatment Sludge (WTS) on trace metals content in Sorghum (Sorghum bicolor (L.) Moench) was investigated. At this report measuring of nickel (Ni) content of the forage was presented. Four treatments, Control, Compost, Alum + (nitrogen, phosphorus, potassium) (NPK), Compost + NPK, were applied to the sorghum in a mountainous place near the Joongbu University. With the 1, 3, 5 hours conditions, the background value was the least on the 5 hours warming up of the AA-680 spectrophotometer, and on the condition (mean/SD) of absorbances of Ni observed was the most. It is necessary in Ni analysis warming up for longer period around 5 hours for this type of apparatus. And we think that the difference of warming time for Ni analysis in order to carry out better measuring; the reason might be the larger bonding energy of Ni than those of Cu, calcium(Ca), magnesium(Mg) and (potassium) (K).
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