污黄啪啪网-久久人人视频-在线观看中文字幕av-少妇激情艳情综合小视频-九九久久精品国产免费看小说-亚洲人成人-永久毛片-最新av偷拍av偷窥av网站-亚洲精品伦理熟女国产一区二区-99精产国品一二三产区在线-免费人成在线观看视频播放-99热这里只有精品1-se日韩-日本在线视频www色-日本zzjj-自拍 另类 综合 欧美小说-中文字幕视频网-91av在线视频播放-在线国产播放-久久99久久99久久综合

whatman 19mm聚碳酸酯（PC）過濾膜

Nuclepore Track-Etched Polycarbonate (Hydrophilic) Membrane, circle, 0.4 μm pore size, 19 mm

孔徑：0.4um

Nuclepore track-etched polycarbonate (hydrophilic) membrane, circle, 0.4 μm, 19 mm

• Low protein binding and low extractables ensuring no sample contamination.
• High chemical resistance and good thermal stability for a wide range of samples.
• Low, consistent ash and low tare weights.
• Smooth flat surface for good visibility of particles.

whatman 19mm聚碳酸酯（PC）過濾膜

Nuclepore track-etched polycarbonate membranes are manufactured from high-quality polycarbonate film and have sharply defined pore sizes, high flow rates, and excellent chemical and thermal resistance. The membranes have a smooth flat surface and exhibit very low levels of extractables.

訂購產品信息：