Lead Shots
Product Code : SCL-PLE-11690
StemAids Lead Shots are high-purity, uniform metallic spheres engineered for empirical studies in thermodynamics, density, and mechanics. Specifically graded for use with steam heaters and calorimeters, these shots serve as the primary solid medium for determining specific heat capacity via the Method of Mixtures. Packaged in institutional-grade 200g HDPE bottles, they ensure a standardized sample mass for repeatable laboratory results across multiple student workstations.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Composition |
High-density refined lead (Pb) |
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Geometry |
Uniform spherical pellets (Shots) |
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Packaging Volume |
200g institutional-grade dispenser bottle |
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Functional Application |
Calorimetry, Specific Heat Capacity, and Density experiments |
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Thermal Range |
Stable for heating up to 200?C in dry steam environments |
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Physical Property |
High specific gravity (≈11.34 g/cm3) |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
7806.00.00 (Other articles of lead) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Uniform Surface-to-Mass Ratio: Facilitates student visualization of rapid thermal equilibrium during heating in a steam chamber, supporting Thermodynamics Module 201.
- Calorimetric Media Utility: Enables the physical study of heat transfer, allowing learners to apply the formula Q=mcΔθ to calculate the specific heat capacity of lead.
- Displacement Principle Analysis: Supports the analysis of Archimedes' Principle and the determination of density through water displacement methods.
- Quantitative Data Evaluation: Allows students to evaluate experimental errors (such as heat loss during transfer) by comparing laboratory results to the theoretical value of lead (≈128 J/kg⋅K).
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Secure, leak-proof HDPE bottles packed in reinforced export-grade cartons (ISPM-15 compliant) to prevent transit-related lead dust exposure.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and Material Safety Data Sheet (MSDS/SDS).
- Safety Protocols: Each unit is processed to minimize surface oxidation, ensuring a clean sample for laboratory handling.
Direct OEM Sourcing Advantages
Procuring StemAids Lead Shots directly ensures vertical manufacturing control:
- In-House Sieve Grading: Shots are batch-tested for diameter uniformity to ensure consistent thermal response times across all samples.
- Batch-Tested for Purity: Every lot undergoes a density verification check to ensure the material properties align with standard physics reference tables.
- Direct Factory Inventory: Guaranteed availability for large-scale institutional rollouts and immediate replacement of consumable laboratory media.
- Manufacturing Control: Direct oversight of the refinement process ensures the removal of impurities that could skew specific heat calculations in precision university experiments.
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