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Preparation and Dissolution Properties of the Eco-glass Fertilizer containing Trace Elements
Hoi Kwan Lee,Sheng Jean Hwang,Won Ho Kang 한국산학기술학회 2004 한국산학기술학회 학술대회 Vol.- No.-
At the previous papers, we showed that K<sub>2</sub>O-CaO-P<sub>2</sub>O<sub>5</sub> glasses had a solubility in air so that they could be used for glass fertilizer. In this work, we fabricated the Eco-glass fertilizer containing trace elements such as B, Mg, Zn, Fe, Cu, Co, and Mo by a melt-quenching process and the dissolution properties of these glasses were investigated with pH meter and ICP analyzer. In case of the glasses containing the trace elements, effect of trace elements on the dissolutions is not obvious and ignorant the stability of mother glass. Also, the dissolution amounts of each trace elements depend on the mother glass composition and the quantity of each trace element, and mother glasses determined the dissolving velocity of chemical elements