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	<h1 class="NyNewsdetail_title">混合纤维素酯过滤膜严格按照除菌操作规程进行</h1>
    <div class="NyNewsdetail_tips">更新时间：2017-04-18&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;点击次数：3632</div>
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    	&nbsp; &nbsp;混合纤维素酯过滤膜严格按照除菌操作规程进行<div>&nbsp; &nbsp;<strong><a href="http://www.shanghaixihe.com/" target="_blank">混合纤维素酯过滤膜</a></strong>是利用自动连续制膜机将聚偏二氟乙烯树脂，溶剂，致孔添加剂构成的铸膜液双面涂敷于聚酯无纺布上，经相转化制备而成。膜机械强度高，抗张强度（N/50mm）众向从于250，横向大于150。膜具有良好耐热性和化学稳定性。</div><div>&nbsp; &nbsp;混合纤维素酯过滤膜能耐受128-142℃的高压蒸汽消毒，能耐受强酸、脂肪族、芳香族以及醇、醛、酮、醚等多种有机、无机溶剂。因有聚酯无纺布的存在，膜不耐受苛性碱、卤化物及强化性酸的腐蚀。膜两面覆盖完整，无纤维暴露，表面孔分布密集，孔形呈圆形及椭圆形，正反面孔径一致，孔径范围分布窄。混合纤维素酯过滤膜有较强的负静电性及疏水性，是一种既能够应用于液体除菌、除微粒过滤又可应用于气体除湿、除菌、除尘过滤的新型精密过滤膜。&nbsp;</div><div>&nbsp; &nbsp;混合纤维素酯过滤膜主要用途：滤除药液、气体、油类、饮料、酒类等的微粒和细菌、也可以作微粒、细菌的检验。医药工业需热压灭菌的水针剂，大输液滤除微粒。可提高药品内在质量和澄明度合格率。<strong>混合纤维素酯过滤膜</strong>对热敏性药物(胰岛素ATP、辅酶A等生化制剂]的除菌、用0.45微米的滤膜(或0.3微米、0.2微米的滤膜)；医药卫生，用薄膜法内烁测人体液的C-AmP、C-GmP和血丝虫的检验，对饮用水、地表水、井水的大肠杆菌群的测定，工矿粉尘的检测。</div><div>&nbsp; &nbsp;溶液中微粒及油类不溶物的分析测定，及水质污染指数测定，应用于体细胞杂交和线粒互补预测杂种优势研究等科研部门。混合纤维素酯过滤膜使用前必须根据需要准确选用膜的公称孔径，所滤除物必须大于滤膜的公称孔径(除微粒采用公称孔径0.65， 0.8， 1.2微米;除细菌采用公称孔径0.45， 0.3， 0.22微米).混合纤维素酯过滤膜滤液中微粒、细菌较多时，应经予过滤，即用予过滤介质或大孔滤膜先过滤，避免过快堵塞。</div><div>&nbsp; &nbsp;混合纤维素酯过滤膜消毒方式很多，一般采用热压消毒，即120℃蒸气灭茵30分钟，热压消毒时，应避免蒸汽直接单向冲在膜上，和防止因蒸汽冷凝产生负压而用薄膜背面受压而破损。煮沸消毒、化学消毒等亦可。<strong>混合纤维素酯过滤膜</strong>过滤时用气泡法测试密封是否严密，滤膜是否因消毒不当而破损，气泡点压力见质量暂行标准。过滤液体时滤膜必须是润湿状态，若因消毒使滤膜成干燥状态，必须用无菌水润湿，如果润湿不好影响流速，除菌过滤前必须对所有器具滤膜进行消毒，然后在无菌室进行除菌过滤，应该严格按照除菌操作规程进行。</div><div>&nbsp;</div>
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