Weighing Bottle
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Product Code : SCL-CLE-12375
Engineered for the precise mass determination of hygroscopic and volatile samples, the StemAids Weighing Bottle features a precision-ground interchangeable stopper to maintain a hermetic seal. Compliant with ISO 3585 Borosilicate 3.3 standards, this instrument is optimized for University and Vocational analytical laboratories, effectively preventing moisture absorption during critical gravimetric weighing cycles in demanding environments.
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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Closure System |
Precision-ground interchangeable glass stopper |
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Form Factor |
Available in Squat and Tall configurations |
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Thermal Stability |
Coefficient of Expansion |
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Chemical Durability |
Class 1 Hydrolytic Resistance (ISO 719) |
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Surface Integrity |
Non-porous, high-clarity surface for zero reagent retention |
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ISO Compliance Code |
ISO 3585 / ASTM E438 Type I, Class A |
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HS Code |
7017.90 (Laboratory Glassware) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Hermetic Ground-Glass Joint Outcome: Facilitates student "Application" of analytical weighing techniques by maintaining a moisture-free environment for anhydrous samples and secondary standards.
Feature: Borosilicate 3.3 Thermal Resilience Outcome: Enables the "Analysis" of heated precipitates through superior thermal shock resistance, allowing samples to reach ambient temperature within a desiccator safely.
Feature: Chemically Inert Matrix Outcome: Supports the "Evaluation" of aggressive chemical reagents without risking material degradation or sample contamination from ionic leaching.
Feature: Optically Clear Uniform Walls Outcome: Promotes accurate "Understanding" of sample physical states, allowing for visual inspection of particulate consistency prior to mass determination.
International Logistics & Compliance
StemAids maintains a specialized export-ready operational framework to ensure instrument integrity during global institutional fulfillment:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring bespoke internal high-density partitioning to secure precision glass units against vibrational and impact stress.
Documentation: Includes Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ Certification, and comprehensive Technical User Manuals in English.
Durability: Tropicalized design tested for operation in demanding climates (up to 45°C/90% Humidity), ensuring the glass matrix remains free from hydrolytic clouding or structural fatigue during long-term storage.
Direct OEM Sourcing Advantages
Procurement via the StemAids vertical manufacturing channel provides institutional stakeholders with definitive factory-direct authority and long-term asset security:
In-house Precision Calibration: Every stopper and bottle interface is verified for vacuum-tight fitment to ensure uniform performance across large-scale rollouts.
Vertical Quality Integration: Complete oversight of the glass annealing process ensures a low-strain glass matrix, significantly increasing hardware lifespan in high-use educational environments.
Batch-Tested Reliability: Every production run is subjected to thermal-shock and chemical-resistance tests to maintain definitive scientific instrument standards for international tenders.
Direct Factory Spares Availability: Guaranteed long-term availability of matching interchangeable stoppers and replacement units to prevent laboratory downtime and ensure curriculum continuity.
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