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Xin Tester 47mm Sterile MCE Membrane Filter packaging showing plain and gridded variants

Individually wrapped Sterile MCE Membrane Filter handled with tweezers in a lab

Hydrophilic Sterile MCE Membrane Filter discs made from biologically inert cellulose

Technical features of Sterile MCE Membrane Filter including high flow rate and uniform pore size

Applications of Sterile MCE Membrane Filter in HPLC and air gas filtration assemblies

Features & Details

🦠 STERILE INDIVIDUAL PACK	Individually wrapped and gamma-irradiated for direct placement in microbiological water testing manifolds.
🔲 3.1MM BLACK GRID	Non-toxic contrast printed black grid lines (3.1mm spacing) facilitate rapid colony counting.
💧 HYDROPHILIC MCE	Biologically inert Mixed Cellulose Ester membrane delivers high water flow rates and low protein binding.
🔬 0.22μm & 0.45μm OPTIONS	0.45μm standard for coliform recovery; 0.22μm for sterile media filtration and mycoplasma removal.

About this item

Product specification

Feature	Description
Brand	Xin Tester®
Material	Mixed Cellulose Ester (MCE)
Diameter	47 mm (Industry Standard)
Pore Size Options	0.22 μm (Sterilizing) / 0.45 μm (Analytical)
Surface Type	Gridded (for Counting) / Plain White (for Filtration)
Sterility	Gamma Irradiated & Individually Wrapped
Certifications	CE, ISO Standards Compliant

Analytical Chromatography Sample Preparation

® 47mm Sterile MCE Membrane Filter – 0.22μm & 0.45μm Analytical Series Professional Series

Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. This instrument provides verified stability and certified safety compliance across standard protocols. Discover our complete catalog in the Product collection.

Sharp Cut-Off Membrane

The microporous structure traps micro-particles and colloidal suspensions, protecting delicate HPLC analytical columns from clogging.

Low Protein Adsorption

Minimizes non-specific biological protein and enzyme binding, maximizing recovery yields in pharmaceutical and biochemical protocols.

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Filtration Insight: Membrane Selection & Pore Integrity

Selecting the proper polymer membrane prevents dissolution and extractable contamination. 0.22μm grades provide biological sterility, while 0.45μm grades clarify solutions and culture buffers efficiently under negative pressure.

Ordering & Model Verification

Ensure pore size, membrane diameter, and chemical compatibility match your fluid before ordering in the right-side checkout panel.

Related technical categories:
Equipment |
Accessories

Use Cases

Autoclavable & Sterile Cell Culture & Biology Filtration & Separation Micro-Volume Analysis

FAQs

Q1. When should I choose the Gridded Surface over the Plain White Surface?

First, you should select the Gridded Surface specifically for microbiological applications that involve colony counting. Consequently, the high-contrast lines make it much easier to quantify bacterial or fungal growth under a microscope. On the other hand, the Plain White Surface is the superior choice for gravimetric analysis or general clarifying filtration where grid lines are not required. Therefore, your choice should align with the specific analytical goals of your laboratory project.

Q2. Is the 0.22μm pore size better than 0.45μm for sterile filtration?

Moreover, yes, the 0.22μm pore size is the industry standard for removing bacteria and ensuring absolute sterility in liquid samples. Specifically, this finer pore structure provides a more robust barrier against microscopic contaminants compared to the 0.45μm version. However, the 0.45μm Sterile MCE Membrane Filter offers a faster flow rate, making it more efficient for general microbial enumeration and water quality monitoring. In conclusion, we provide both options to ensure you have the correct technical tool for your unique research environment.

Q3. Does the individually wrapped packaging ensure long-term sterile integrity?

In addition, every Xin Tester membrane filter disc is individually wrapped to ensure a zero-contamination workspace before the filtration process begins. Furthermore, the certified gamma irradiation process eliminates the risk of pre-use microbial development in your sensitive laboratory environment. Finally, this robust technical packaging allows for a long shelf life while maintaining absolute material purity for your critical research. Consequently, you can store these discs with total confidence for future high-stakes analytical sessions in your facility.

Q4. Why is Mixed Cellulose Ester (MCE) the preferred material for biological filtration?

Notably, the Mixed Cellulose Ester material offers superior hydrophilicity for rapid wetting and high flow rates during large volume liquid processing. To illustrate this, the uniform pore distribution ensures that particles and microbes are retained consistently on the membrane surface for clear observation. Furthermore, the biologically inert nature of our filters prevents unwanted chemical reactions with your samples or culture media. In conclusion, choosing these professional tools will streamline your technical separation workflows and improve your overall data reliability starting today.

Xin Tester® 47mm Sterile MCE Membrane Filter – 0.22μm & 0.45μm Analytical Series (Gridded or Plain Surface)

Price range: $24.59 through $24.99

Extra 5% Off with code: welcome5

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6–12 Month Warranty

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