CHEMGLASS CG-1412-11 Glass Frit Chromatography Filter Funnel 14/20 125ML

( Brand: Chemglass ), ( Manufacturer Part Number: CG-1412-11 ), ( Part Type: Filter ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Microbiological Laboratory, Medical Laboratory, Physical Laboratory ), ( Country Of Origin: United States ), ( Unit Type: Unit ), ( Additional Information: Surplus Laboratory Consumable Supplies )

Review CHEMGLASS Glass 14/20 Frit 125ml Chromatography Filter Funnel

The **Chemglass CG-1412-11 Glass 14/20 Frit Chromatography Filter Funnel** is a precision-engineered laboratory accessory designed to elevate the efficiency and reliability of liquid chromatography, filtration, and sample preparation procedures. Crafted from high-quality borosilicate glass (Type I, conforming to ASTM E438), this funnel combines durability with exceptional chemical resistance, ensuring compatibility with a wide range of solvents, acids, and organic reagents without risk of degradation or contamination. The **14/20 standard taper joint** facilitates seamless integration with standard laboratory glassware, including separatory funnels, chromatography columns, and adapters, while its **125-milliliter capacity** strikes an ideal balance between versatility and practicality, accommodating moderate-scale separations, vacuum filtration, or gravity-driven chromatography applications.

The funnel s defining feature is its **fritted glass disc**, a finely porous sintered glass element that provides uniform filtration with consistent particle retention. The **12- m pore size** (as indicated by the model designation) ensures efficient separation of suspended solids, colloids, or fine precipitates while maintaining a high flow rate, minimizing clogging and reducing processing time. The fritted disc is securely fused into the funnel s body, eliminating the risk of dislodgment during use, and its smooth, polished surface prevents adsorption of analytes, preserving sample integrity for subsequent analysis. The **14/20 joint** is ground to precise tolerances, ensuring a leak-proof seal when connected to compatible glassware, while the funnel s **clear, uncoated borosilicate construction** allows for visual monitoring of filtration progress without obstruction.

Ideal for applications in **analytical chemistry, biochemistry, and pharmaceutical research**, this funnel excels in techniques such as **column chromatography, flash chromatography, and solvent extraction**, where precise filtration and minimal sample loss are critical. Its robust design withstands repeated autoclaving and harsh cleaning protocols, making it a cost-effective, long-term investment for demanding laboratory environments. Whether used in routine sample preparation or high-precision analytical workflows, the **Chemglass CG-1412-11** delivers a reliable, glass-to-glass filtration solution that enhances both efficiency and reproducibility in the lab.

**Pros and Cons of buying a Chemglass CG-1412-11 Glass 14/20 Frit 125ml Chromatography Filter Funnel**

1. **Durability and Chemical Resistance** Made from borosilicate glass (likely Type I or II), this funnel is resistant to most acids, bases, and organic solvents, making it suitable for a wide range of laboratory applications, including chromatography, filtration, and extraction.

2. **Compatibility with Standard Laboratory Equipment** The 14/20 joint ensures a secure, leak-proof connection with other glassware like separatory funnels, distillation apparatus, or chromatography columns, reducing the risk of contamination or spills.

3. **Precision and Clarity** Glass is an inert material that does not absorb or react with samples, ensuring accurate results. The clear design allows for easy visualization of the filtration process, which is critical in procedures requiring real-time monitoring.

4. **Reusability and Longevity** Unlike disposable plastic or paper filters, this glass funnel can be cleaned and reused multiple times, making it cost-effective in the long run, especially in high-volume or routine laboratory work.

5. **Sterilization and Cleaning Flexibility** Glass can be easily sterilized using autoclaving, baking, or chemical cleaning methods, which is essential for microbiological or sterile applications. It also resists degradation from repeated cleaning cycles.

6. **Compatibility with Vacuum Systems** The frit design allows for efficient vacuum filtration, which is useful in applications requiring rapid separation of solids from liquids, such as in column chromatography or recrystallization.

7. **Brand Reputation** Chemglass is a well-known manufacturer in the laboratory glassware industry, offering products that meet rigorous quality and safety standards. Their funnels are often preferred in academic, industrial, and research settings for reliability.

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1. **Fragility** Glass is brittle and can break if dropped or subjected to thermal shock (e.g., sudden temperature changes). This poses a risk of injury and potential sample contamination if the glass shatters.

2. **Weight and Bulk** Glass funnels are heavier than plastic alternatives, which can make handling cumbersome, especially during repetitive procedures or in fieldwork settings where portability is important.

3. **Cleaning and Maintenance** While durable, glass requires thorough cleaning to remove residues, particularly from sticky or viscous samples. Improper cleaning can lead to cross-contamination or clogging of the frit over time.

4. **Cost** Compared to disposable plastic or paper filters, a high-quality glass funnel is an upfront investment. However, this cost is often justified by its longevity and versatility.

5. **Limited Disposable Options** If disposability is a priority (e.g., to avoid cross-contamination between samples), glass may not be the most convenient choice, though it can be sterilized between uses.

6. **Potential for Scratches or Damage** The frit surface may become clogged or damaged over time if not handled carefully, reducing its efficiency. This can necessitate replacement, adding to long-term costs.

7. **Not Ideal for High-Pressure Applications** While suitable for vacuum filtration, glass funnels are not designed for high-pressure systems, which could lead to cracking or failure.

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The Chemglass CG-1412-11 glass 14/20 frit 125ml chromatography filter funnel is a high-quality, versatile tool ideal for laboratories requiring precision, chemical resistance, and reusability. Its advantages in terms of durability, compatibility with standard glassware, and inert properties make it a reliable choice for chromatography, filtration, and other laboratory procedures. However, its fragility, weight, and maintenance requirements may pose challenges in certain settings, particularly where disposability or ease of handling is preferred.

- You work in a laboratory setting where chemical resistance, reusability, and precision are critical.

- You frequently perform chromatography, vacuum filtration, or other procedures requiring a durable glass component.

- You prioritize long-term cost savings and quality over disposability.

- You require disposability to prevent cross-contamination between samples.

- You work in a field setting where portability and fragility are major concerns.

- Your budget is extremely limited, and you can justify the upfront cost of glassware.

For most academic, industrial, or research laboratories, the Chemglass CG-1412-11 is a worthwhile investment due to its reliability and performance. Always ensure proper handling and storage to maximize its lifespan.

Details:

Used item in great condition. No chips or cracks throughout. See pictures for details. GSR veers 1730 GS 9.9.4 1730.

part #: cg141211 prices

• $69.99-$119.99

specifications plasticwarelabsuppy:

• brand: Chemglass
• mpn: Cg-1412-11
• part type: Filter
• intended use/discipline: Biological Laboratory, Dental Laboratory, Microbiological Laboratory, Medical Laboratory, Physical Laboratory
• country of origin: United States
• unit type: Unit
• additional information: Surplus Laboratory Consumable Supplies

shipping plasticwarelabsuppy:

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

seller plasticwarelabsuppy:

• city: Cotati, California
• # reviews: 7670
• rating: 99.9%

payments plasticwarelabsuppy:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer plasticwarelabsuppy:

• started: April 3, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

returns plasticwarelabsuppy:

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

general plasticwarelabsuppy:

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

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