Separating Funnel
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Product Code : SCL-CLE-12355
Engineered for precise liquid-liquid phase separation, the StemAids Separating Funnel is a critical component for organic chemistry extractions. Constructed from ISO-compliant Borosilicate 3.3 glass, it ensures high chemical inertness and thermal shock resistance. Targeted for University and Research-level analytical laboratories, this instrument facilitates accurate density-based decanting of immiscible solvents in accordance with ISO 4800 standards.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Grade |
Low-expansion Borosilicate 3.3 Glass |
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Geometry |
Pear-shaped (Conical) for precise phase-boundary identification |
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Stopcock Type |
High-density PTFE (Grease-free) or Ground-glass Interchangeable |
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Stopper Specification |
Polyethylene or Borosilicate Glass with standard taper joint |
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Volumetric Range |
50ml, 100ml, 250ml, 500ml, 1000ml, 2000ml |
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Thermal Resistance |
Coefficient of Linear Expansion: 3.3 x 10?? K?¹ |
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Chemical Resistance |
Class 1 (ISO 719) / Hydrolytic Resistance Class HGB1 |
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ISO Compliance Code |
ISO 4800 (Laboratory glassware — Separating funnels) |
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HS Code |
7017.90 |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Conical Pear-Shaped Geometry Outcome: Maximizes interface surface area for visualizing boundary layers, supporting Chemistry "Application" modules in solvent extraction and density analysis.
Feature: Precision PTFE Stopcock Outcome: Provides micron-level flow control for decanting the lower phase without cross-contamination, reinforcing "Analyze" level quantitative laboratory skills.
Feature: Chemical-Resistant Borosilicate 3.3 Outcome: Enables the safe manipulation of aggressive organic solvents and acids, aligning with "Evaluation" of laboratory safety protocols and material compatibility.
Feature: Ground Glass Joint Stopper Outcome: Ensures a hermetic seal for vigorous agitation and gas release during the extraction process, facilitating "Understanding" of vapor pressure and solvent equilibrium.
International Logistics & Compliance
StemAids maintains an export-ready infrastructure designed to meet the rigorous demands of international institutional procurement.
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) utilizes internal foam-molded partitioning to eliminate transit-related breakage.
Documentation: Shipments include a Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ Certification, and technical User Manuals in English.
Durability: Tropicalized design tested for operation in demanding climates (up to 45°C/90% Humidity), ensuring no degradation of stopcock seals or glass integrity.
Direct OEM Sourcing Advantages
Procurement through the StemAids vertical manufacturing channel ensures definitive factory-direct authority and quality assurance.
In-House Precision Calibration: Every unit is inspected for dimensional accuracy and stopcock seating to prevent leakage during high-pressure extractions.
Batch-Tested Reliability: Each production cycle is subjected to vacuum and pressure tests to ensure uniform reliability across large-scale laboratory deployments.
Direct Factory Spares Availability: Guaranteed long-term availability of interchangeable PTFE keys and stoppers, minimizing laboratory downtime.
Material Integrity: Use of high-purity raw materials ensures zero leaching of impurities into analytical samples.
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