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    • 26. 发明授权
    • Method and device for detection of heavy metal ions in water
    • 用于检测水中重金属离子的方法和装置
    • US08679849B2
    • 2014-03-25
    • US13348206
    • 2012-01-11
    • Xiaoke ZhangHisashi KajiuraYongming Li
    • Xiaoke ZhangHisashi KajiuraYongming Li
    • G01N33/20
    • G01N33/1813
    • This disclosure discloses a method and a device for the detection of heavy metal ions in water. The method includes: providing a detection material, wherein the detection material includes a hydrophilic layer which is at least partially covered by a hydrophobic layer formed from a long-chain compound selected from the group consisting of a long-chain thiol, a long-chain fatty acid and combinations thereof, and wherein a detection area is an area covered by the hydrophobic layer, and the detection area has a surface having an initial contact angle with water of more than or equal to about 120°; contacting the detection area with an aqueous solution sample; determining whether the surface of the detection area has a hydrophobicity-hydrophilicity change after contact with the aqueous solution sample; and deciding whether heavy metal ions exist in the aqueous solution sample according to the determination.
    • 本公开公开了一种用于检测水中重金属离子的方法和装置。 该方法包括:提供检测材料,其中所述检测材料包括至少部分被由长链化合物形成的疏水层覆盖的亲水层,所述长链化合物选自长链硫醇,长链 脂肪酸及其组合,并且其中检测区域是由疏水层覆盖的区域,并且检测区域具有与水的初始接触角大于或等于约120°的表面; 使检测区域与水溶液样品接触; 确定检测区域的表面在与水溶液样品接触之后是否具有疏水性 - 亲水性变化; 并根据测定判定水溶液样品中是否存在重金属离子。