CHEMGLASS CG-1402-23 Glass Frit Buchner Filter Funnel 350ML Chipped

( Brand: Chemglass ), ( Manufacturer Part Number: CG-1402-23 ), ( Part Type: Filter ), ( Unit Type: Unit ), ( Additional Information: Surplus Laboratory Consumable Supplies ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Microbiological Laboratory, Medical Laboratory, Physical Laboratory )

Review CHEMGLASS Glass 350ml Frit Buchner Filter Funnel Chipped

The **Chemglass CG-1402-23 Glass 350 mL Frit Buchner Filter Funnel with Chipped Edge** is a robust and versatile laboratory filtration tool designed for efficient separation of solids from liquids in a wide range of chemical, pharmaceutical, and analytical applications. Crafted from high-quality borosilicate glass (Type 1, Class A), this funnel features a durable, heat-resistant construction that ensures stability during high-temperature filtration processes, including vacuum-assisted or gravity filtration. The **350 mL capacity** provides ample volume for medium-scale filtrations, making it ideal for experiments requiring moderate throughput without sacrificing precision. The **fritted disc**, typically composed of fine glass sintering, offers uniform pore size distribution, allowing for consistent and rapid filtration while minimizing clogging and maximizing flow rates. Despite its chipped edge a minor cosmetic imperfection that does not compromise functionality the funnel retains its structural integrity and remains fully operational for routine laboratory use.

This Buchner funnel is equipped with a **standard 23/40 joint**, ensuring compatibility with most laboratory glassware, including vacuum flasks, filter flasks, and other connected filtration systems. The design incorporates a **flat base and angled neck**, which facilitates even distribution of the filtrate and reduces splashing during transfer. The chipped edge, while not affecting performance, may require careful handling to prevent further damage, particularly when subjecting the funnel to mechanical stress or rough handling. Despite this imperfection, the funnel remains a reliable choice for applications such as recrystallization, solvent extraction, and sample preparation, where clarity, durability, and ease of cleaning are paramount. Its transparency allows for real-time monitoring of the filtration process, ensuring optimal efficiency and reducing the risk of contamination. When paired with a suitable filter paper or frit pad, this funnel delivers consistent results across a variety of laboratory procedures, making it an indispensable accessory for both academic and industrial settings.

**Pros and Cons of Buying a Chipped Chemglass CG-1402-23 Glass 350ml Frit Buchner Filter Funnel**

1. **Functionality and Usefulness** Despite the chip, a Buchner funnel remains a reliable tool for vacuum filtration, essential in laboratories for separating solids from liquids efficiently.

2. **Durability of Glass** Glass is chemically inert and resistant to most solvents, making it ideal for laboratory use. Even with a chip, it may still function adequately for non-critical applications.

3. **Compatibility with Standard Lab Equipment** The dimensions (350ml) align with common lab setups, ensuring it fits standard filter flasks and vacuum systems.

4. **Cost-Effective Alternative** Purchasing a chipped but functional item can be significantly cheaper than buying a new one, making it a budget-friendly option for basic lab work.

5. **Potential for Repair** If the chip is minor and does not compromise structural integrity, it may be possible to seal it with epoxy or other lab-safe adhesives, extending its usability.

1. **Safety Risks** A chipped glass funnel poses a risk of cutting hands or clothing during handling, especially if the chip is sharp or jagged. This could lead to injuries in a lab environment.

2. **Potential Leaks or Contamination** A damaged frit (porous filter plate) or uneven edges from the chip could allow particles to bypass filtration or introduce contamination into samples.

3. **Reduced Longevity** The chip may weaken the glass over time, increasing the risk of breakage during use, particularly under vacuum pressure or when handling abrasive materials.

4. **Compatibility Issues with Seals** If the chip affects the funnel s fit with a rubber gasket or filter flask, it may not seal properly, leading to inefficient filtration or vacuum leaks.

5. **Ethical and Practical Concerns** Buying damaged equipment may set a precedent for accepting substandard tools, which could compromise lab safety and precision. Additionally, some suppliers may not honor warranties or returns for chipped items.

While the Chemglass CG-1402-23 Buchner funnel with a chip can still serve a functional purpose in non-critical laboratory tasks, the risks particularly safety hazards and potential contamination outweigh the benefits for most professional settings. The cost savings may not justify the potential drawbacks, especially in environments where precision and safety are paramount.

If the chip is minor and the funnel is otherwise in good condition, it could be used cautiously for low-risk applications (e.g., non-sterile filtrations or temporary use) with appropriate protective measures (e.g., gloves, careful handling). However, for routine or high-stakes laboratory work, investing in a new or properly inspected funnel is strongly advised. If budget is a concern, consider purchasing a used but undamaged funnel from a reputable source or checking for discounts on new items. Avoid using a chipped funnel if the damage affects its structural integrity or filtration efficiency.

Details:

GSR veers 1730 GS 9.9.4 1730 No cracks throughout. See pictures for details. Used item in good condition except end of funnel shows two large chips.

part #: cg140223 prices

• $48.99-$135.00

specifications plasticwarelabsuppy:

• brand: Chemglass
• mpn: Cg-1402-23
• part type: Filter
• unit type: Unit
• additional information: Surplus Laboratory Consumable Supplies
• country of origin: United States
• intended use/discipline: Biological Laboratory, Dental Laboratory, Microbiological Laboratory, Medical Laboratory, Physical Laboratory

offer plasticwarelabsuppy:

• started: March 27, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock

returns plasticwarelabsuppy:

• paid by: Seller
• method: Money back
• time: 30 Days
• policy: Returns Accepted

seller plasticwarelabsuppy:

• rating: 99.9%
• # reviews: 7630
• city: Cotati, California

general plasticwarelabsuppy:

• condition: Used
• Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware

shipping plasticwarelabsuppy:

• service: USPS First Class, FedEx 2Day, FedEx Standard Overnight
• type: Fixed
• cost: $0.00
• transit: 7-13 Days
• class: Standard, Expedited, One-day
• carrier: USPS, FedEx

payments plasticwarelabsuppy:

• credit card: Discover
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