Filter Paper
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Product Code : SCL-PLE-11595
StemAids (Dr. Watt) Filter Paper is a high-grade laboratory consumable designed for the empirical study of heterogeneous mixture separation, solution clarification, and qualitative analysis. Optimized for Primary, Secondary, and University-level Chemistry and Biology laboratories, it provides a functional platform for isolating precipitates and purifying solutions. Manufactured to ISO 9001:2015 standards by these high-purity cellulose filters ensure standardized results for institutional science curricula and industrial diagnostic modules.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Brand Preference |
Dr. Watt (Authorized OEM: Samtech Instruments) |
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Material Grade |
High-Quality Cellulose Fiber with calibrated porosity |
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Geometry |
Standard Circular (Round) pre-cut sheets |
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Dimensional Metrics |
12.5 cm (5-inch) Diameter |
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Pack Configuration |
100 Sheets per Standard Unit Pack |
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Functional Focus |
Clarification of solutions and isolation of solids |
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Analytical Scope |
Compatible with Gravimetric Analysis and Paper Chromatography |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
4823.20.00 (Filter Paper and Paperboard) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Mechanical Separation Interface -> Facilitates student visualization of how physical barriers (porous fiber) trap undissolved particles while allowing liquids to pass, supporting Chemistry Module 101 (Understanding).
- Purification Modeling -> Enables the physical study of gravity filtration techniques to obtain clear filtrates from turbid suspensions (Applying).
- Migration Rate Analysis -> Supports the Analysis of molecular components in chromatography experiments, where the paper serves as a stationary phase for component separation.
- Porosity & Retention Evaluation -> Allows students to Evaluate the efficiency of different filter grades based on the size of the trapped precipitate versus the clarity of the resulting liquid (Evaluating).
International Logistics & Compliance
- Packaging: Export-grade moisture-resistant Corrugated/Thermocol box with internal poly-seal to prevent atmospheric contamination or humidity absorption.
- Documentation: Includes Certificate of Analysis (CoA), Certificate of Conformance (CoC), and Material Safety Data Sheets (MSDS) where applicable.
- Durability: High-tensile wet strength to prevent tearing during vacuum or gravity-assisted filtration cycles.
Direct OEM Sourcing Advantages
- Vertical Integration: Total control over cellulose purity and fiber orientation ensures consistent micron-retention across bulk institutional rollouts.
- Reliability Protocols: Batch-tested for ash content and flow rate uniformity in high-precision analytical settings.
- Institutional Support: Guaranteed direct factory availability for various diameters (e.g., 9cm, 11cm, 15cm) and specialized grades (Quantitative vs. Qualitative) ensures maximized laboratory operational efficiency and superior long-term ROI.
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