英国Whatman沃特曼聚四氟乙烯膜

英国Whatman沃特曼聚四氟乙烯膜 | 时间: September-28 15:17:50 | 分类:其它仪器

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英国Whatman沃特曼聚四氟乙烯膜 

产品介绍:
Teflon(PTFE)膜
化学稳定性和惰性
PTFE适用于化学腐蚀性强的有机溶剂、水溶液和气体,它对大多数的酸性、碱性和溶液都有抗性,非亲水性膜,蛋白吸附力低,有很好的化学相容性。
英国Whatman沃特曼聚四氟乙烯膜应用
PTFE膜的一个主要应用就是净化腐蚀剂、溶液和腐蚀性强的溶液。这包括HPLC分析中样品过滤的非常高要求,因为任何固体颗粒都会造成柱子的永久破坏。一般使用0.5μm孔径。空气和气体的消毒是由于PTFE膜的疏水性、阻止气态水。通常用0.2—0.5μm孔径。各种容器口的灭菌和发酵器、过滤罐的灭菌则使用0.2μm的PTFE膜。
英国Whatman沃特曼聚四氟乙烯膜

技术参数-Teflon(PTFE)膜
                                     0.2μm                            0.5μm                            1.0μm
厚度                             130μm                          120μm                           90μm
孔率                             72%                       74%                       76%
纤维释放                     否                          否                           否
空气流速·10psi         4.5 l/min/cm²          7.5 l/min/cm²           17 l/min/cm²
起泡点                         13psi                      6psi                        3psi
可耐较高温度             150            150             150
订货信息-Teflon(PTFE)膜
型号*
尺寸                  孔径                目录号                 数量/包装
(mm)                  (μm)  
WTP
25                     0.2                   7582-002                100
47                     0.2                   7582-004                100
47                     0.5                   7585-004                100
47                     1.0                   7590-004                100
TE35
25                     0.2                   10411405                50
47                     0.2                   10411411                50
50                     0.2                   10411413                50
TE36
25                     0.45                  10411305                50
47                     0.45                  10411311                50
50                     0.45                  10411313                50
TE37
25                     1.0                   10411205                50
47                     1.0                   10411211                50
50                     1.0                   10411213                50
TE38
37                     5.0                   10411108                50
47                     5.0                   10411111                50
50                     5.0                   10411113                50
90                     5.0                   10411116                25
150                   5.0                   10411130                25

*WTP=带聚丙烯底衬               TEL=带聚脂底衬

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