文献类型: 外文期刊
第一作者: WAN, H
作者: WAN, H;XIA, H;CHEN, Z
关键词: RESIDUES;TEA;INFUSION
期刊名称:FOOD ADDITIVES AND CONTAMINANTS ( 影响因子:2.131; 五年影响因子:2.527 )
ISSN: 0265-203X
年卷期: 1991 年 8 卷 4 期
页码:
收录情况: SCI
摘要: The extraction rate of pesticide residues in water during the infusion process is dependent on the water solubility. The extraction of pesticide residues by boiling water can be regarded as a reversible equilibrium between adsorption and dissolution. The influence of chemical degradation is not important. When the water solubility is lower than 5 mg/kg, the extraction rate is 1-40%. Within the water solubility range of 10-150 mg/kg the extraction rate (R(i)) is very sensitive to the water solubility (S); the relationship can be described as R(i) = 59.8log S - 42.5. When water solubility is higher than 170 mg/kg, the extraction rate is 90-100%.
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