Whatman Filter Paper:

Whatman Filter Paper is a high-quality paper used in laboratory filtration processes to separate solids from liquids or gases. It is commonly used in a variety of scientific applications, such as in chemistry, biology, environmental testing, and industrial applications. Whatman is a renowned brand in the field of laboratory filtration and offers a wide range of filter papers with different properties depending on the specific needs of the user. The papers are designed to provide excellent particle retention, fast filtration times, and durability under varying conditions. Whatman filter papers are ideal for use in qualitative analysis, sample purification, and other filtration tasks where high performance and consistency are required.

Key Features

• High-Quality Filtration: Whatman filter papers are known for their consistent and reliable filtration performance, ensuring accurate separation of solid particles from liquids or gases.
• Variety of Grades: Whatman offers different grades of filter paper, each designed for specific applications such as qualitative or quantitative filtration, water analysis, or air filtration.
• Particle Retention: The filter paper is available in different pore sizes, allowing users to choose the appropriate grade for their specific filtration needs (e.g., 1, 2, 3, 4, 5, etc. for varying retention capacities).
• Durable and Tear-Resistant: Whatman filter papers are durable and tear-resistant, ensuring that they maintain their structural integrity during the filtration process.
• Fast Filtration: Designed for high flow rates, many Whatman filter papers allow for fast filtration, reducing the time needed for filtering liquids or gases.
• Wide Range of Applications: Used in laboratories for tasks such as sample preparation, analysis, filtration of particulate matter, and clarification of liquids.
• Consistency and Reliability: Known for their high-quality manufacturing standards, Whatman filter papers provide consistent results across different batches, ensuring reproducibility in laboratory processes.

Specifications

• Brand: Whatman
• Material: High-quality cellulose or other materials, depending on the grade and application
• Grade Options: A range of grades, such as:
  • Grade 1: Standard filter paper for routine laboratory use with medium retention (11 μm particle size)
  • Grade 2: For fine filtration with better retention capacity (2.5 μm)
  • Grade 3: Faster filtration with high flow rates for coarse particles
  • Grade 5: For fine filtration (5 μm) used in applications such as air or water filtration
  • Grade 6-7: For high-quality quantitative analysis with specific retention and clarity requirements
• Pore Size: Varies by grade, typically ranging from 2 μm to 25 μm
• Diameter: Available in a variety of sizes, typically ranging from 90 mm to 320 mm in diameter (custom sizes available upon request)
• Filtration Speed: Varies by grade; some papers are designed for fast filtration, while others are more suitable for slow, precise filtering
• Retention Capacity: Available in different retention rates for particles of various sizes (depending on the grade chosen)
• Strength: Tear-resistant and capable of withstanding the rigors of filtration without breaking apart
• Applications: Used in:
  • Qualitative and quantitative analysis
  • Air and water filtration
  • Sample preparation for analysis
  • Filtration of suspensions, fine particles, and precipitates
  • Environmental, industrial, and food industry testing