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Study on Preparation Technological Conditions for Zinc-Urea

Cai Min

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Abstract

The granuiar compound fertilizer,zinc-urea,was prepared with urea and zinc sulfate heptahydrate as the reaction materiais.The effects of molar ratio of urea to zinc suifate,reaction temperature,reaction time and the concentration of zinc suifate on the yieid of zinc-urea were investigated.The suitable technological conditions were: molar ratio of urea / zinc suifate was 6:1,reaction temperature 80℃,time 40 min and mass percent of zinc suifate 5%.The yieid of zinc-urea under these conditions reached 72.34%.

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What this paper is about

The granuiar compound fertilizer,zinc-urea,was prepared with urea and zinc sulfate heptahydrate as the reaction materiais.The effects of molar ratio of urea to zinc suifate,reaction temperature,reaction time and the concentration of zinc suifate on the yieid of zinc-urea were investigated.The suitable technological conditions were: molar ratio of urea / zinc suifate was 6:1,reaction temperature 80℃,time 40 min and mass percent of zinc suifate 5%.The yieid of zinc-urea under these conditions reached 72.34%.

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Available abstract

The granuiar compound fertilizer,zinc-urea,was prepared with urea and zinc sulfate heptahydrate as the reaction materiais.The effects of molar ratio of urea to zinc suifate,reaction temperature,reaction time and the concentration of zinc suifate on the yieid of zinc-urea were investigated.The suitable technological conditions were: molar ratio of urea / zinc suifate was 6:1,reaction temperature 80℃,time 40 min and mass percent of zinc suifate 5%.The yieid of zinc-urea under these conditions reached 72.34%.

Key concepts: Zinc, Urea, Molar ratio, Chemistry, Inorganic chemistry, Nuclear chemistry, Catalysis, Organic chemistry

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