Specifications Table

Product Name – Whatman WME WH ST Membrane Filter
Quantity/Pack Size – 100
Diameter – 47MM
Pore Size – 0.45µM
Form – Membrane Disc
Grade – Hydrophilic
Application – Filtration of Aqueous Solutions, Particle Retention

Product Overview

The Whatman WME WH ST Membrane Filter is engineered for high-performance filtration in laboratory settings, offering exceptional particle retention and flow rates. Constructed from mixed cellulose esters, this hydrophilic membrane ensures compatibility with aqueous solutions, making it a versatile choice for general filtration tasks. The 0.45µm pore size effectively traps bacteria, fine particulates, and other contaminants, delivering consistent and reliable results. Each filter undergoes stringent quality control to guarantee sterility and uniformity, ensuring reproducibility in critical applications. The 47mm diameter fits standard filtration apparatus, simplifying integration into existing workflows. Designed for durability, these membranes resist tearing and deformation under pressure, maintaining structural integrity throughout use. Whether for routine sample preparation or demanding analytical procedures, the Whatman WME WH ST Membrane Filter provides the precision and dependability required in modern laboratories. Its balanced combination of retention efficiency, flow rate, and chemical compatibility makes it a preferred option for researchers seeking consistent filtration performance.

FAQs

1. What is the material composition of the Whatman WME WH ST Membrane Filter?

The membrane is made from mixed cellulose esters, providing a balance of strength and compatibility with aqueous solutions.

2. Can this filter be used with organic solvents?

No, this hydrophilic membrane is specifically designed for aqueous solutions and may degrade or fail when exposed to organic solvents.

3. How should these filters be stored to maintain sterility?

Store the filters in their original packaging in a cool, dry place away from direct sunlight and moisture to preserve sterility until use.

4. What is the maximum operating pressure for these filters?

The filters are designed to withstand typical laboratory filtration pressures, but excessive pressure should be avoided to prevent membrane damage.

5. Are these filters compatible with autoclaving?

No, these filters are sterile as supplied and should not be autoclaved, as high temperatures may compromise their integrity.