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  3. VWR 89428-956

VWR 89428-956 Base Fritted Glass Filtration 7312058247928 47MM

89428-956 Vwr Support Base 47mm Fritted Glass Filtration System Component New

( Brand: Vwr ), ( Manufacturer Part Number: 89428-956 ), ( UPC: 312058247928 )

Review VWR Support Base 47mm Fritted Glass Filtration System Component New

The **VWR 89428-956 Base 47mm Fritted Glass Filtration Disk** is a precision-engineered laboratory accessory designed to enhance filtration efficiency and fluid flow in a wide range of scientific and analytical applications. Crafted from high-quality borosilicate glass, this fritted disk features a durable, sintered glass structure with a uniform pore size distribution, ensuring consistent and reliable filtration performance. The **47mm diameter base** provides a standard, versatile fit for laboratory glassware, including Erlenmeyer flasks, beakers, and other compatible filtration systems, making it an ideal choice for both routine and specialized procedures. The fritted surface is engineered with a fine porosity, allowing for effective separation of solids from liquids while minimizing clogging and maintaining optimal flow rates. This design is particularly advantageous in applications such as vacuum filtration, where rapid and thorough separation is critical, as well as in processes requiring gentle handling of delicate samples. The borosilicate glass construction offers exceptional chemical resistance, thermal stability, and resistance to thermal shock, ensuring longevity and reliability even under demanding conditions. Whether used in biochemical research, pharmaceutical development, environmental testing, or industrial chemistry, this fritted disk delivers precise filtration with minimal sample loss, making it an indispensable tool for laboratories seeking both efficiency and accuracy. Its compatibility with standard laboratory glassware and ease of cleaning further enhance its practicality, ensuring seamless integration into existing workflows.

**Pros and Cons of buying a VWR 89428-956 Base 47mm Fritted Glass Filtration Disc**

### **Pros**

1. **Compatibility with Standard Glassware** The 47mm size fits common laboratory glassware, including funnels, flasks, and filter holders, making it versatile for various filtration tasks.

2. **Durability and Chemical Resistance** Glass frits are chemically inert and resistant to most acids, bases, and organic solvents, ensuring long-term use in harsh laboratory conditions.

3. **Precise Filtration** The fritted glass design provides efficient particle retention, making it suitable for applications requiring clean filtrates, such as crystallization, vacuum filtration, or sample preparation.

4. **Reusable and Cost-Effective** Unlike disposable filters, fritted glass discs can be cleaned and reused multiple times, reducing long-term expenses.

5. **Compatibility with Vacuum Systems** Works well with vacuum filtration setups, speeding up processes like drying or separating solids from liquids.

6. **Wide Availability** As a VWR product, it is readily accessible through laboratory supply distributors, ensuring easy replacement if needed.

7. **Sterilizable** Can be autoclaved or baked for sterilization, making it suitable for microbiological or sterile filtration applications.

### **Cons**

1. **Fragility** Glass is brittle and can break if mishandled, especially during cleaning or transport. Dropping or rough handling may damage the frit.

2. **Cleaning Challenges** Residues like oils, proteins, or certain organic compounds may adhere tightly to the glass surface, requiring thorough cleaning with solvents or abrasives, which can be time-consuming.

3. **Limited Flow Rate** Compared to some synthetic membrane filters, fritted glass may have lower flow rates, particularly when clogged with fine particles.

4. **Size Limitations** The 47mm size may not be ideal for large-scale filtrations; larger frits or alternative filtration methods may be needed for high-volume applications.

5. **Cost per Use (If Not Reused Properly)** While reusable, improper cleaning or damage can reduce its lifespan, potentially increasing costs if replacements are frequent.

6. **Not Ideal for Fine Particles** Very fine or colloidal suspensions may pass through the frit s pores, requiring pre-filtration or alternative filtration media.

7. **Incompatibility with Some Solvents** While generally resistant, prolonged exposure to highly aggressive solvents (e.g., hydrofluoric acid) may degrade the glass over time.

### **Conclusion**

The VWR 89428-956 47mm fritted glass filtration disc is a reliable, durable, and chemically resistant tool for general laboratory filtration needs. Its compatibility with standard glassware, reusability, and suitability for vacuum filtration make it a practical choice for many applications. However, its fragility, cleaning demands, and potential flow limitations may pose challenges in certain scenarios. If your workflow involves routine filtrations, crystallization, or sample preparation with moderate particle sizes, this frit is a solid investment. For high-volume, fine-particle, or highly aggressive solvent applications, consider supplementing with alternative filtration methods (e.g., membrane filters) or larger frits.

### **Recommendation**

Purchase the VWR 89428-956 if:

- You need a reusable, chemically resistant filter for standard laboratory filtrations.

- Your workflow involves vacuum filtration or crystallization.

- You prioritize compatibility with existing glassware and long-term cost savings.

Avoid or consider alternatives if:

- You frequently handle very fine or colloidal suspensions without pre-filtration.

- Your lab deals with highly abrasive or aggressive solvents that may damage the glass over time.

- You require high flow rates or large-scale filtrations where the 47mm size is insufficient.

For optimal use, store the frit carefully to prevent damage, clean it thoroughly after each use, and replace it if cracks or clogging become problematic. Pair it with appropriate glassware and vacuum systems for best results.

Details:

Type: Filtration Support Base. Filter Diameter Compatibility: 47mm. Base Type: Fritted Glass. Material: Brisket Glass.

Unless stated otherwise in the listing. Catalog Number: 89428-956. VWR 89428-956 Support Base 47mm Fritted Glass Filtration System Component NEW. Defective items may only be exchanged for the same title.

MPN: 89428-956. Products Most of our photos are the actual item you purchasing.

part #: 89428956 price

  • $199.96

specifications plasticwarelabsuppy:

  • brand: Vwr
  • mpn: 89428-956
  • upc: 312058247928

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  • city: Sacramento, California
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  • started: April 30, 2026
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  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
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category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13780623145083663,
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