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网站首页    实验耗材    脂质体挤出膜    Whatman滤膜

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

/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

/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