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Use of a metal colloid solution to test the integrity of a virus elimination membrane, method of preparing the solution, and method of testing the integrity of the membrane
Use of a metal colloid solution to test the integrity of a virus elimination membrane, method of preparing the solution, and method of testing the integrity of the membrane
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机译:使用金属胶体溶液测试病毒消除膜的完整性,制备溶液的方法以及测试膜完整性的方法
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摘要
A colloid solution that exhibits storage stability and pH stability, being useful as viral substitute particles for use in an integrity test for virus removal membrane. In particular, a metal colloid solution characterized in that it comprises metal particles or metal compound particles of 1 to 100 nm average diameter, a water soluble high-molecular-weight dispersant having an N group and water and/or a water soluble organic solvent, the metal colloid solution being stable for a prolonged period of time and being stable in at least pH values ranging from 4 to 11.
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