PTFE メンブレンフィルターはもともと疎水性であり、極めて優れた化学薬品耐性があり、無菌的通気*、非水溶媒、酸および高反応性液体への使用に理想的です。* 水溶液の場合には、PTFE をイソプロピルアルコールまたはエタノールなどの溶媒で事前に湿潤化させておくことが必要です。
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2023年1月25日 · ABSTRACT Pertraction of Np(IV) across a PTFE membrane containing two different aza-crown ether-based multiple diglycolamide (DGA) ligands termed as L I (3 DGA arms) or L II (4 DGA arms) was investigated using nitric acid as feed solution. (4 DGA arms) was investigated using nitric acid as feed solution.
2023年2月1日 · The EU is planning to restrict or ban perfluorinated and polyfluorinated alkyl substances (PFAS), which include PTFE, for example, in the future. This would have serious consequences for plants in the pharmaceutical industry, for example, where PTFE is used as a material for seals. Although it has been under discussion for some time, not