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首页> 外文期刊>Environment and Natural Resources Research >Combined Analysis of Results on Single and Multiple Contacts: Potting Soil, Sand and Clay Transfers to Cloth for the Estimate of Soil Adherence to Human Skin
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Combined Analysis of Results on Single and Multiple Contacts: Potting Soil, Sand and Clay Transfers to Cloth for the Estimate of Soil Adherence to Human Skin

机译：一次或多次接触的结果的组合分析：将土壤，沙子和粘土转移到布料上以评估土壤对人体皮肤的附着力

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摘要

Humans can be exposed to contaminated soil and household dust via contact with environmental surfaces. A mechanical device was used to measure the transfer of soils from one surface to the other to provide estimates of adherence factors (mg/cm 2 ) used in estimates of human exposure to contaminants found in soils/household dust. This paper presents the analysis and comparison for thetransfer of clay, potting soil, and sand from aluminum to cloth samples for single and multiple contacts under varying environmental and contact time and pressure conditions. Adherence for clay was over 73 times that of sand and over 114 times that of potting soil. Clay particles with their softer texture and finer composition compared to potting soil and sand, are more likely to compress and adhere to surfaces producing higher transfers. Contact time and temperature had no effect, however: contact pressure, soil loading on the aluminum surface, and environmental humidity did have an effect on soil transfer.
机译：人类可能通过与环境表面接触而暴露于受污染的土壤和家庭灰尘。使用机械设备来测量土壤从一个表面到另一个表面的转移，以提供用于估算人体暴露于土壤/家庭尘埃中污染物的粘附因子（mg / cm 2）的估算值。本文介绍了在变化的环境以及接触时间和压力条件下，一次和多次接触将粘土，盆栽土壤和沙子从铝转移到布料样品的分析和比较。粘土的附着力是沙子的73倍以上，是盆栽土壤的114倍以上。与盆栽土壤和沙子相比，粘土颗粒质地更柔软，组成更细，更可能压缩并粘附到表面上，从而产生更高的传递。接触时间和温度没有影响，但是：接触压力，铝表面的土壤负荷和环境湿度确实对土壤迁移有影响。

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