Whatman滤膜
Whatman径迹蚀刻膜是使用专利技术制造的高精密膜，膜内孔径尺寸分布窄，孔径一致性高。脂质体中常用这一系列的Cyclopore聚碳酸酯膜和Nuclepore聚碳酸酯膜。聚碳酸酯膜是亲水性的，可以选择不同的孔径规格和尺寸规格。
Whatman Polycarbonate Membrane Filters are high-precision membranes with narrow pore size distribution and high pore size consistency. Cyclopore polycarbonate membranes and Nuclepore polycarbonate membranes are commonly used in this series. Polycarbonate membranes are hydrophilic and can be selected with different pore sizes and Dimension sizes.
Whatman Cyclopore聚碳酸酯膜
Whatman Cyclopore聚碳酸酯膜是真正的孔径微孔膜，具有轨道蚀刻膜过滤器的尖锐截止和可重现的微滤特性。
Whatman Cyclopore polycarbonate membranes are true pore size microporous membranes featuring the sharp cut-off and reproducible microfiltration characteristics of track-etched membranes.
特性和优点
Features and advantages
- 不粘附染色剂，光学反差大，有利于显微镜下观察
Low affinity for stains improves visibility under a microscope
- 吸附性低，滤液吸附量可忽略不计，不吸湿
Negligible absorption and adsorption of filtrate; nonhygroscopic
- 皮重极小
Low tare weights
- 无掉屑，滤液的洁净度高
Biologically inert
- 生物学惰性
Biologically inert
技术参数
Technical Parameters
|
厚度/Thickness |
7–20μm |
|
质量/Weight |
0.7–2.0mg/cm2 |
|
最高使用温度/ Maximum Use Temperature |
140ºC |
|
孔隙率（孔隙体积）/ Porosity (pore volume) |
4–20% |
|
灰分/Ash |
0.6μg/cm2 |
|
孔密度/Pore Density |
1×105–6×108孔/cm2 |
|
透明度/ Transparency |
半透明/Semitransparent |
|
高压蒸汽灭菌/ High Pressure Steam Sterilization |
30分钟，121ºC/30min, 121ºC |
|
比重/ Specific Weight |
1.21g/cm2 |
|
可燃性/ Flammability |
缓慢燃烧/ Slow Burning |
|
纤维脱落/Fiber |
否/No |
|
渗透性/ Permeability |
忽略不计/ Can Be Ignored |
|
生物相容性/ Biocompatibility |
惰性/Inert |
订货信息（圆片型）
Ordering information (Wafer type)
|
尺寸（mm） Dimensions |
孔径（μm） Pore Size |
数量/包 Package/Unit |
|
25 |
0.1、0.2、0.4、2、5、5（透明） |
100 |
|
47 |
0.1、0.2、0.4、1、1（薄而透明）、3、5 |
100 |
Whatman Nuclepore聚碳酸酯膜
Nuclepore径迹蚀刻聚碳酸酯膜由高品质的聚碳酸酯膜制成，具有明确的孔径，高流速和出色的化学抗性和耐热性。
Whatman Nuclepore hydrophilic membrane filter range is manufactured from high-quality polycarbonate film track-etched membrane for high nominal pore size precision, high flow rates and chemical and thermal resistance.
特性和优点
Features and Advantages
- 低蛋白吸附和低溶出，最大限度减少样品污染
Low extractables, minimizing filtration sample contamination risk
- 化学稳定性和热稳定性高，适合大多数的样品
High chemical resistance and good thermal stability for a wide range of sample types
- 低灰分和皮重
Low, consistent ash and low tare weights
- 表面光滑平整，便于对截留物粒子进行观测
Smooth flat membrane surface for high particle visibility
技术参数
Technical Parameters
|
厚度/ Thickness |
7–20μm |
|
孔径/ Pore Size |
0.015μm-15μm |
|
表面纹理/Surface |
光滑平整/Smooth |
|
孔密度/Pore Density |
1×105–6×105孔/cm2 |
|
透明度/ Transparency |
半透明/Semitransparent |
|
疏水/亲水/ Hydrophobic/hydrophilic |
均可/Yes |
|
纤维脱落/Fiber |
否/No |
订货信息（圆片型）
Ordering Information (Wafer type)
|
尺寸（mm） Dimensions |
孔径（μm） Pore Size |
数量/包 Package/Unit |
|
19 |
0.03、0.05、0.1、0.2、0.4、0.8、1 |
100 |
|
25 |
0.015、0.03、0.05、0.08、0.1、0.2、0.4、0.6、0.8、1、2、3、5、0.4（适用于可吸收的有机卤素分析） |
100 |
|
47 |
0.015、0.05、0.08、0.1、0.2、0.4、0.6、0.8、1、2、3、5、0.4（适用于可吸收的有机卤素分析） |
100 |
|
90 |
0.05、0.1、0.2、0.4、1、2、3 |
25 |
|
142 |
0.08、0.1、0.2、1 |
25 |
|
293 |
1 |
25 |
