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首页> 外文期刊>Bulletin of the National Research Centre >Efficiency of the Refining Processes in Removing ~(14)C-Pirimiphos-methyl Residues in Soybean Oil
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Efficiency of the Refining Processes in Removing ~(14)C-Pirimiphos-methyl Residues in Soybean Oil

机译：精制工艺去除豆油中〜（14）C-嘧啶甲基残留的效率

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摘要

Soybean plants were treated with two applications of ~(14)C-pirimiphos-methyl under conditions of local agricultural practice. ~(14)C-residues in the harvested seeds averaged 2.25 rag/kg; corresponding to 0.37% of the applied dose. The insecticide residues in crude oil and cake amounted to 1.6 and 1.5 mg/kg, respectively. About 75% of the ~(14)C-activity in the crude oil could be eliminated by simulated commercial processes locally used for oil refining. The refined oil had a residue level of about 0.4 ppm, mainly in the form of pirimiphos-methyl and 2-ethylamino-4-hydroxy-6-methyl pyrimidine. Refining of soybean oil fortified with ~(14)C-pirimiphos-methyl led also to a high loss of ~(14)C-residues (79%). The refined oil contained a residue consisting of pirimiphos-methyl and its phenol.
机译：在当地农业实践条件下，两次应用〜（14）C-嘧菌磷甲基处理大豆植株。收获的种子中〜（14）C残留量平均为2.25 rag / kg；相当于所用剂量的0.37％。原油和饼中的杀虫剂残留量分别为1.6和1.5 mg / kg。可以通过本地用于炼油的模拟商业过程消除原油中约（14）C活性的75％。精制的油具有约0.4ppm的残留水平，主要以嘧啶磷甲基和2-乙基氨基-4-羟基-6-甲基嘧啶的形式存在。精制用〜（14）C-嘧菌磷甲基强化的豆油也导致〜（14）C-残基的大量损失（79％）。精制油包含由嘧啶磷甲基及其酚组成的残余物。

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