Separating Funnels, Graduated

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Separating Funnels, Graduated Specification

Control Type
Manual

Features
Stopcock for controlled liquid release; graduation marks for volume; pear/tear drop or cylindrical shape

Shape
Pear/Tear Drop or Cylindrical

Power Supply
Not required

Temperature Resistance
Up to 250C

Glass Type
Borosilicate

Display Type
Graduated markings

Accuracy
Graduations accurate to within 5%

Type
Graduated Separating Funnel

Dimension (L*W*H)
Varies with capacity; typical diameter and height corresponds to volume (e.g., 100mL: approx. 50mm x 150mm)

Equipment Type
Laboratory Glassware

Equipment Materials
Glass

Power
Not required

Material
Borosilicate Glass

Capacity (Ltr)
Available in 50ml, 100ml, 250ml, 500ml, 1000ml, 2000ml, 3000ml, 5000ml

About Separating Funnels, Graduated

Separating Funnels, Graduated

Separating Funnels, Graduated, with PTFE Needle Valve & Polythelene stopper, Squibb shape.

Capacity

N/S

19/26

100

19/26

250

19/26

500

29/32

1000

29/32

2000

29/32

Exceptional Chemical Resistance

Constructed from premium borosilicate glass or PTFE, these separating funnels are highly resistant to a broad range of chemicals, including acids, alkalis, and organic solvents. This durability ensures long-term reliability in demanding laboratory processes without compromising the integrity of contents.

Precision and Versatility

Marked with clear, accurate graduations at regular intervals, these funnels offer precise volume measurements. The inclusion of a manual PTFE or glass stopcock allows controlled, drip-free dispensing, while multiple shape and capacity options suit a variety of laboratory protocols.

Compliant and Autoclavable Design

Meeting stringent ISO/DIN standards, these separating funnels are autoclavable for efficient sterilization and safe repeated use. Their indefinite shelf life, when handled correctly, guarantees cost-effective, dependable operation in laboratory environments.

FAQs of Separating Funnels, Graduated:

Q: How should a graduated separating funnel be used in the laboratory?

A: To use a separating funnel, first ensure the stopcock is securely closed before adding your liquid mixture. Attach the funnel using a B19 or B24-standard holder, shake if mixing is required, allow phase separation, then gently open the stopcock to release each layer precisely by monitoring volume with the graduation marks.

Q: What are the main benefits of selecting a borosilicate glass or PTFE separating funnel?

A: Borosilicate glass and PTFE offer exceptional chemical resistance, withstanding exposure to acids, alkalis, and organic solvents. They also endure high temperatures up to 250C, ensuring longevity, repeated sterilization, and compatibility with a wide range of laboratory applications.

Q: When is it necessary to autoclave a separating funnel, and is it safe to do so?

A: Autoclaving is recommended prior to sterile procedures or after contact with hazardous substances. These funnels are designed to be safely autoclaved, provided both glass body and PTFE stopcock are present, preserving their accuracy and transparency after multiple cycles when handled properly.

Q: What is the accuracy of the graduation markings on these separating funnels?

A: The graduation marks are accurate within 5%, ensuring volume measurements are reliable for laboratory tasks. Clearly marked at regular intervals corresponding to each funnels capacity, they make it easy to dispense and monitor liquids accurately during experiments.

Q: Where are these graduated separating funnels typically used, and who supplies them in India?

A: They are widely used in research laboratories, educational institutes, and industrial settings for tasks like liquid-liquid extraction, phase separation, and purification. Multiple manufacturers, suppliers, and traders across India offer these funnels in standard and custom capacities.

Q: What maintenance is required to maximize the shelf life of a separating funnel?

A: After use, clean the funnel thoroughly with appropriate solvents, rinse with distilled water, and allow to dry. Store in a dry, secure place away from sudden temperature changes or impacts. With proper handling, the shelf life of these funnels is indefinite.

Q: How does the shape or outlet design benefit liquid separation and pouring?

A: The pear or cylindrical shapes aid in efficient phase separation, while the tapered outlet ensures precise control and minimizes spillage during liquid transfer. The manual stopcock further enhances control, making these funnels ideal for complex separation procedures.

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