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Ⅰ.范围本方法是专门用于检测表面上存在疏水(不湿润的)薄膜以及媒质中存在疏水有机物的。若操作得当,此试验能够检验出极小的分子层疏水有机杂质。表面过于粗糙和多孔,试验灵敏度会显著地下降。
I. SCOPE This method is designed to detect the presence of hydrophobic (non-wetting) films on the surface and the presence of hydrophobic organic materials in the medium. If properly handled, this test can detect very small molecular layers of hydrophobic organic impurities. The surface is too rough and porous, the test sensitivity will be significantly reduced.