Glass Burette 50ml
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Product Code : SCL-CLE-12392
The StemAids 50ml Glass Burette is a high-authority volumetric instrument engineered for definitive liquid titration in University, Vocational, and Research laboratories. Compliant with ISO 385 and DIN 12700 standards, this Borosilicate 3.3 glass apparatus ensures superior chemical resistance and metrological accuracy for complex reagent dispensing and quantitative analytical workflows.
Technical Specifications
|
Tender Specification |
OEM Technical Detail |
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Material Grade |
Low-expansion Borosilicate 3.3 Glass |
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Capacity |
50ml |
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Stopcock Type |
Precision-ground glass / PTFE interchangeable key |
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Calibration Standard |
Calibrated to Deliver (Ex) at +20°C |
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Accuracy Class |
Class AS / Class B (High Precision) |
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Graduation Type |
Permanent high-contrast blue/amber ceramic enamel |
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Bore Geometry |
Precision-uniform capillary bore for linear meniscus travel |
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ISO Compliance Code |
ISO 385 (Laboratory glassware — Burettes) |
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HS Code |
7017.90 (Laboratory Glassware) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
Feature: Permanent Linear Graduations Outcome: Facilitates student "Analysis" of multi-step titration by providing precise feedback for variable aliquot volumes within a single aspiration cycle.
Feature: Precision-Ground Stopcock Outcome: Supports the "Application" of standardized drainage constants and "zero-point" delivery, ensuring students master high-fidelity analytical techniques.
Feature: High-Clarity Borosilicate 3.3 Outcome: Enables the "Evaluation" of liquid properties and meniscus alignment, supporting the reduction of subjective measurement error in quantitative chemistry modules.
Feature: ISO Class AS Tolerance Alignment Outcome: Promotes "Understanding" of systematic vs. random error, allowing for the calculation of high-confidence intervals in statistical laboratory reporting.
International Logistics & Compliance
StemAids operates a specialized export-ready framework to maintain the structural and metrological integrity of precision glassware throughout the global supply chain:
Packaging: Export-grade seaworthy crating (ISPM-15 compliant) utilizing internal high-density longitudinal supports to protect the elongated glass shafts from vibrational stress and fracture.
Documentation: Includes Manufacturer’s Authorization Form (MAF), batch-specific IQ/OQ/PQ Certification, and User Manuals in English.
Durability: Tropicalized design tested for operation in demanding climates (up to 45°C/90% Humidity), ensuring graduation markings remain chemically resistant and legible under intensive use.
Direct OEM Sourcing Advantages
Procurement via the StemAids vertical manufacturing channel provides institutional stakeholders with definitive factory-direct authority and technical assurance:
In-house Precision Calibration: Every burette undergoes rigorous gravimetric verification to ensure strict adherence to ISO 385 volumetric tolerances.
Vertical Quality Integration: Total oversight of the glass-forming and annealing cycles results in a low-strain glass matrix, significantly increasing the mechanical lifecycle of the instrument.
Batch-Tested for Uniform Reliability: Every production run is subjected to thermal-shock and hydrolytic-resistance tests to meet the definitive standards required for international tenders.
Direct Factory Spares Availability: Guaranteed long-term availability of specific capacities and compatible stopcock keys to prevent laboratory downtime and ensure asset continuity.
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