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Whatman™ Qualitative Filter Papers, Grade 6, Circles
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Specifications:
| Application | Filtration, Analytical Chemistry |
| Storage Temperature | Room Temperature |
| Product Type | Filter Papers |
| Product Brand | Whatman™, Cytiva |
| Product Grade | Analytical grade |
The Whatman™ Grade 6 Qualitative Filter Papers are high-performance fine retention cellulose filters designed for applications requiring rapid filtration of fine particles, particularly in boiler water analysis and routine laboratory testing. Offering similar retention to Grade 5 but with approximately twice the filtration speed, Grade 6 provides an excellent balance between efficiency and analytical accuracy.
Engineered for consistent performance, these filters are widely used in qualitative analytical techniques where fine particulate separation and faster processing times are essential.
Key Features
Fine Particle Retention
- Comparable retention to Grade 5 filter paper
- Suitable for filtration of fine particulates
- Ideal for analytical and environmental applications
Faster Filtration Performance
- Twice as fast as Grade 5
- Enhances laboratory throughput and efficiency
- Reduces filtration time without compromising retention
Optimized for Boiler Water Analysis
- Widely specified for boiler water testing applications
- Ensures reliable removal of fine suspended solids
High-Quality Cellulose Composition
- Manufactured from pure cellulose fibers
- Provides consistent and reproducible filtration performance
- Suitable for general laboratory use
Flexible Format Options
- Available in circular and prepleated formats
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Prepleated filters offer:
- Faster flow rates
- Higher loading capacity
Applications
- Boiler water analysis and testing
- Fine particulate filtration in laboratory workflows
- Qualitative analytical separations
- Environmental water testing
- General laboratory filtration and sample preparation
- Industrial and research laboratory applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Qualitative Filter Paper |
| Grade | Whatman Grade 6 |
| Material | Cellulose |
| Particle Retention | Fine (similar to Grade 5) |
| Filtration Speed | Fast (≈2× faster than Grade 5) |
| Format | Circles / Prepleated |
| Application | Boiler water analysis, fine filtration |
| Pack Size | 100 sheets per pack |
Available Models and Ordering Information
| Catalog Number | Diameter | Format | Pack Size |
|---|---|---|---|
| 1006-042 | 42.5 mm | Circles | 100/pk |
| 1006-070 | 70 mm | Circles | 100/pk |
| 1006-090 | 90 mm | Circles | 100/pk |
| 1006-110 | 110 mm | Circles | 100/pk |
| 1006-125 | 125 mm | Circles | 100/pk |
| 1006-150 | 150 mm | Circles | 100/pk |
| 1006-185 | 185 mm | Circles | 100/pk |
| 1006-240 | 240 mm | Circles | 100/pk |
Workflow Integration
Sample Preparation → Filtration (Grade 6) → Filtrate Collection → Analysis
This ensures:
- Efficient removal of fine particulates
- Faster filtration compared to similar grades
- Reliable analytical results
Unique Advantages
- Combines fine particle retention with faster filtration speed
- Ideal for boiler water and environmental testing
- Improves laboratory efficiency and turnaround time
- Available in multiple sizes and formats
- Suitable for routine and analytical laboratory workflows
- Trusted Whatman™ quality for consistent performance
The Whatman™ Grade 6 Qualitative Filter Papers provide a reliable and efficient solution for laboratories requiring fine filtration with improved speed. With their enhanced performance compared to Grade 5 and suitability for boiler water analysis, they are an essential consumable for environmental, industrial, and analytical laboratory applications.
- Diameter: Ø 90mm Ø 110mm Ø 125mm Ø 150mm Ø 185mm Ø 240mm Ø 42.5 mm Ø 70 mm