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Borosilicate 3.3 Glass Cylindrical Separating Funnel, Graduated, with PTFE key
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Specifications:
| Application | Analytical Chemistry |
| Storage Temperature | Room Temperature |
| Product Type | Laboratory Glassware |
| Product Grade | Analytical grade |
The Cylindrical Separating Funnel made from Borosilicate Glass 3.3 is a precision laboratory tool designed for controlled liquid-liquid extraction and phase separation. Featuring a graduated cylindrical body, this funnel allows accurate volume measurement during separation processes.
Equipped with a PTFE stopcock (key), the funnel ensures smooth, chemically resistant, and leak-free operation, making it ideal for handling aggressive solvents and reagents. Its cylindrical design provides improved control during draining and is particularly suited for workflows requiring measured and sequential phase separation.
Key Features & Benefits
Borosilicate Glass 3.3 Construction
- Excellent resistance to thermal shock and chemical corrosion
- Suitable for use with organic solvents, acids, and bases
- Durable for long-term laboratory use
Cylindrical Graduated Design
- Allows accurate volume estimation during extraction
- Facilitates controlled and gradual phase separation
- Ideal for workflows requiring precision monitoring
PTFE Stopcock (Key)
- Provides smooth, precise flow control
- Highly resistant to aggressive chemicals and solvents
- Leak-proof and low-maintenance compared to glass stopcocks
Clear Glass for Visibility
- Enables clear observation of phase boundaries
- Improves accuracy in separation and extraction processes
Standard Ground Joint
- Ensures compatibility with standard laboratory glassware
- Secure connection with stoppers and accessories
Applications
- Liquid-Liquid Extraction
- Solvent Partitioning
- Organic Chemistry Workflows
- Pharmaceutical and Chemical Analysis
- Environmental Testing and Water Analysis
- Academic and Research Laboratories
Technical Specifications
| Feature | Details |
|---|---|
| Material | Borosilicate Glass 3.3 |
| Shape | Cylindrical |
| Graduation | Yes |
| Stopcock | PTFE Key |
| Chemical Resistance | Excellent |
| Transparency | Clear |
| Temperature Resistance | High |
| Compliance | Laboratory glassware standards |
Product Variants
| Cat. No. | Capacity (mL) | Stem Size (mm) | Body O.D. (mm) | Ground Joint | Length (mm) |
|---|---|---|---|---|---|
| 1545-60 | 60 | 8 × 80 | 32 | 14# | 260 |
| 1545-125 | 125 | 8 × 90 | 40 | 19# | 320 |
| 1545-250 | 250 | 9 × 105 | 50 | 19# | 360 |
| 1545-500 | 500 | 10 × 150 | 62 | 24# | 420 |
| 1545-1L | 1000 | 11 × 150 | 87 | 29# | 460 |
Comparison: Cylindrical vs Squibb Separating Funnel
| Feature | Cylindrical Shape | Squibb Shape |
|---|---|---|
| Volume Measurement | Graduated (high accuracy) | Typically non-graduated |
| Flow Control | More controlled drainage | Faster phase separation |
| Shape | Straight cylindrical body | Rounded body |
| Application | Analytical precision workflows | General extraction |
Key Advantages
- Accurate graduated measurement during extraction
- Durable borosilicate construction for chemical resistance
- Reliable PTFE stopcock for smooth, leak-free operation
- Ideal for precision laboratory separation workflows
The Borosilicate Glass Cylindrical Separating Funnel with PTFE Stopcock is an advanced solution for laboratories requiring precise, controlled liquid separation and measurement. Its graduated design, chemical durability, and reliable flow control make it an essential tool for analytical, research, and industrial applications.
- Capacity: 60 mL 125 mL 250 mL 500 mL 1000 mL