Lenz-Laborglas‑Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL
Product overview
Lenz-Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL is a precision laboratory glassware component designed for controlled liquid addition. Made from high-quality DURAN® borosilicate glass, this cylindrical funnel features a pressure-equalising tube to ensure smooth and consistent flow. The graduated body allows accurate volume measurement, while the interchangeable glass or PTFE key plug provides secure, leak-free operation. Complete with a PE stopper and retaining device, this dropping funnel is ideal for chemical synthesis and analytical work requiring precise liquid transfer.
Key Features:
- Brand: Lenz-Laborglas
- Material: DURAN® borosilicate glass
- Capacity: 250 mL
- Design: Cylindrical, graduated body with pressure-equalising tube
- Plug Type: Solid glass or PTFE key for precise control
- Stopper: Interchangeable PE stopper with retaining device
- Joint Type: NS socket connection
- Application: Ideal for controlled reagent addition in chemical or analytical laboratories
The Lenz-Laborglas Dropping Funnel DURAN® Cylindrical Graduated Glass Plug Cap 250 mL offers exceptional chemical resistance, precision, and reliability for laboratory procedures that demand accurate liquid dispensing.
Frequently Asked Questions
1. What is the Lenz-Laborglas‑Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL used for?
Lenz-Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL is a precision laboratory glassware component designed for controlled liquid addition. Made from high-quality DURAN® borosilicate glass, this cylindrical funnel features a pressure-equalising tube to ensure smooth and consistent flow. The graduated body allows accurate volume measurement, while the interchangeable glass or PTFE key plug provides secure, leak-free operation. Complete with a PE stopper and retaining device, this dropping funnel is ideal for chemical synthesis and analytical work requiring precise liquid transfer.
2. Is the Lenz-Laborglas‑Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL suitable for controlled reagent addition in chemical or analytical laboratories?
Yes. It is designed for controlled reagent addition in chemical or analytical laboratories, and offers a capacity of 250 mL to support this kind of work.
3. What capacity does the Lenz-Laborglas‑Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL have?
It has a capacity of 250 mL, and is supplied under manufacturer part number 4354911.
4. What is the Lenz-Laborglas‑Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL made from and what features does it include?
It is made from DURAN® borosilicate glass. It also offers cylindrical, graduated body with pressure-equalising tube, solid glass or PTFE key for precise control and interchangeable PE stopper with retaining device.
5. How does the Lenz-Laborglas‑Laborglas Dropping Funnel, DURAN®, Cylindrical, Graduated Glass Plug, Cap, 250 mL compare with the DWK DURAN Dropping Funnel, With Pressure Equalisation Tube, Standard Ground Cone 19/26, Stopcock And Key Retaining Device, 100 ml from DWK Life Sciences?
For controlled reagent addition in chemical or analytical laboratories, the Lenz-Laborglas model has the edge: it offers a larger capacity than the DWK Life Sciences model (250 mL versus 100 ml). The DWK Life Sciences model offers a capacity of 100 ml by comparison.
Product Specifications
- HS Code #70172000
- Bore4.0 mm
- Cone[s]NS14/23
- Division5 ml
- MaterialBoro 3.3
- Material stopcockGlass key
- Nominal capacity250 ml
- ShapeCylindrical
- Socket[s]NS14/23
- UNSPSC41104812
- With pressure compensationYes
Products related to this item (8)
product | Mfr # | Part # | Product name | Nominal capacity | Material | Price | Availability | |
04353711 | 9.012 756 | Lenz-Laborglas Dropping Funnels, Cylindrical, With Pressure Equalizing Tube, Capacity 100 ml, Socket/Cone NS 14/23 | 100 ml | Boro 3.3 | 4,443 | In stock | ||
04353714 | 9.012 768 | Lenz-Laborglas Dropping Funnels, Cylindrical, with Pressure Equalizing Tube, Capacity 100 ml Socket/Cone NS 29/32 | 100 ml | Boro 3.3 | 4,515 | In stock | ||
04357014 | 7.601 147 | Lenz-Laborglas Dropping Funnels, Cylindrical, With Pressure Equalizing Tube, Capacity 1000 ml Socket/Cone NS 29/32 | 1000 ml | Boro 3.3 | 6,718 | In stock | ||
04352811 | 9.012 755 | Lenz-Laborglas Dropping Funnels, Cylindrical, with Pressure Equalizing Tube, Cap. ml 50, Socket/Cone NS 14/23 | 50 ml | Boro 3.3 | 4,190 | In stock | ||
04354914 | 9.012 769 | Lenz-Laborglas Dropping Funnels, Cylindrical, With Pressure Equalizing Tube, Capacity 250 mL, Socket/Cone NS 29/32, Glass Key Stopcock | 250 ml | Boro 3.3 | 4,623 | |||
04355814 | 9.012 770 | Lenz-Laborglas Dropping Funnels, Cylindrical, with Pressure Equalizing Tube, Cap. ml 500, Socket/Cone NS 29/32 | 500 ml | Boro 3.3 | 5,129 | |||
04352211 | 6.072 172 | Lenz-Laborglas Dropping Funnels, Cylindrical, With Pressure Equalizing Tube, Capacity 25 ml, Socket/Cone NS 14/23 | 25 ml | Boro 3.3 | 4,371 | |||
04352814 | 9.012 767 | Lenz-Laborglas Dropping Funnels, Cylindrical, With Pressure Equalizing Tube, Capacity 50 ml, Socket/Cone NS 29/32 | 50 ml | Boro 3.3 | 4,190 |
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