This document specifies a test method for determining the mean pore size of separation membranes by gas permeation method.
This document is applicable to the mean pore size test for flat membranes and hollow fiber membranes with a diameter within 0.01μm-0.20μm in dry state, and for other shapes of separation membranes this document may be referred to.
This document is applicable to the mean pore size test with nitrogen as the test gas, and the test with other noncondensable gases, such as He, H2, O2, Ar etc., may refer to this document.
本文件描述了使用荧光探针法测量纳米多孔材料贯通孔孔径及孔径分布的测试方法。
本文件适用于具有纳米尺度的过滤材料贯通孔孔径及孔径分布的测量。其他尺度的多孔材料参考本文件。
本文件规定了均相电渗析膜的分类和编码、技术要求、试验方法、检验规则以及标志、包装、运输和贮存。
本文件适用于均相电渗析膜的研发、生产和应用。
本文件不适用于单价选择性阴膜、单价选择性阳膜、氢离子阻挡阴膜和氢氧根离子阻挡阳膜。