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Separating Funnel, Conical / Squibb Shape, with Glass Stopcock

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Separating Funnel, Squib Shape, with Glass Stopcock

Separating Funnel, Conical / Squibb Shape, with Glass Stopcock

Separating Funnel, with glass stopcock & Polyethylene stopper, Conical/Squibb shape

  • Compliance with ISO 4800 Standards
  • Provided with PE Stopper
  • With Glass Stopcock

Note: Graduated separating funnel can also be offered.

SKU: 11300 Categories: , ,

Description

Catalogue No.Capacity (ml)
11300/0150
11300/02100
11300/03250
11300/04500
11300/051000
11300/062000

The MEDILAB Separating Funnel, Conical/Squibb Shape, with Glass Stopcock is a precision-crafted laboratory vessel designed for the efficient separation of immiscible liquid phases based on density differences. Its classic conical profile promotes clean phase separation, ensuring high accuracy during liquid–liquid extractions, solvent partitioning, and purification steps. This funnel is an essential tool across research labs, academic institutions, pharmaceutical industries, chemical R&D centers, and analytical QC/QA departments where reproducibility, chemical resistance, and operational safety are paramount.

Key Features

  • Premium Borosilicate Glass 3.3 Construction: Exceptional thermal and chemical resistance suitable for a wide range of solvents and reagents.
  • Precision Glass Stopcock: Ensures smooth, controlled drainage without leakage; resistant to chemical corrosion.
  • Conical/Squibb Geometry: Helps achieve sharper separation lines and more accurate phase decantation.
  • Leak-Proof Operation: Glass-to-glass joints and precision-ground interfaces ensure tight sealing.
  • PE Stopper Included: Lightweight, chemically compatible stopper for airtight closure during mixing and shaking.
  • ISO 4800 Compliance: Manufactured to international quality standards for consistency and reliability.
  • User-Friendly Handling: Clear volume markings, easy-grip design, and stable handling for routine lab operations.
  • Long Service Life: High mechanical durability and scratch-resistant surface for heavy daily use.

Material Specifications

  • Material: High-grade Borosilicate Glass 3.3

Thermal Properties:

  • Low coefficient of thermal expansion
  • High resistance to thermal shock
  • Suitable for heating and cooling cycles

Chemical Properties:

  • Excellent resistance to acids, alkalis, organic solvents, and most chemicals
  • Non-reactive and non-porous surface ensuring contamination-free performance

Mechanical Strength: High stability and impact resistance within standard laboratory conditions

Standards & Compliance: Conforms to ISO 4800, ISO 3585, and equivalent DIN/ASTM laboratory glassware guidelines

 Technical Specifications

  • Available Capacities: 50 mL to 2000 mL (as per the standard size table)

  • Dimensions: Each size is manufactured with standardised height-to-diameter ratios for optimal phase separation

  • Stopcock Type: Precision-ground glass stopcock, grease-compatible

  • Stoppers Provided: Polyethene (PE) stopper included; glass stopper available upon request

  • Tolerance: High-accuracy volume markings with tight calibration tolerances

Packaging:

  • Individually packed in protective sleeves
  • Export-quality corrugated boxes with shock-absorbing inserts
  • Bulk and OEM packaging available

Accessories Included:

  • Glass separating funnel
  • PE stopper
  • Glass stopcock (factory fitted)

Handling & Precautions

Safe Use:

  • Ensure the stopcock is securely inserted before adding liquids
  • Shake the funnel only while holding the stopper and stopcock firmly

Cleaning Instructions:

  • Rinse immediately after use to prevent residue buildup
  • Use non-abrasive detergents and soft brushes
  • Compatible with most laboratory cleaning solutions

Autoclaving:

  • Funnel and glass stopcock may be autoclaved at standard temperatures
  • Remove the PE stopper before autoclaving

Dos and Don’ts:

  • Do: Inspect the stopcock regularly for smooth rotation
  • Do: Lubricate glass stopcock when necessary (use appropriate stopcock grease)
  • Don’t: Expose sudden temperature shocks beyond glass tolerance
  • Don’t: Use if cracks, chips, or deformation are observed

Best Practices:

  • Store vertically to prevent accidental damage
  • Dry thoroughly before storage to maintain clarity and longevity

 Applications

  • Pharmaceutical & Biotech Labs: Solvent extraction, purification of compounds, and phase separation.
  • Chemical Research & Industrial R&D: Separation of organic/aqueous phases for analytical and preparative work.
  • Environmental Testing Labs: Extraction of contaminants from water, effluent, and soil samples.
  • Academic & Research Institutions: Routine teaching experiments, organic chemistry labs, and practical demonstrations.
  • Food & Beverage Testing: Isolation of analytes for quality control and safety assessments.
  • Quality Control / Quality Assurance: Reproducible phase separation is essential for regulated analytical workflows.

Its consistent performance and reliability make it indispensable in workflows involving extraction, washing, and purification steps.

 Why Choose MEDILAB

  • 35+ Years of Expertise: Specialists in high-precision scientific glassware for global laboratories.
  • Trusted in 40+ Countries: Strong export network with consistent international supply.
  • Export-Quality Manufacturing: Every unit is manufactured under stringent QC protocols.
  • OEM & Private Labelling: Tailored branding and custom production available for distributors.
  • Consistency & Reliability: Uniform quality across batches ensures repeatable performance.
  • Robust Packaging: Engineered to withstand long-distance shipments and handling stress.

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