Whatman 10300011 Quantitative Filter Papers 125 mm

Whatman 10300011 Quantitative Filter Papers, 125 mm Circle (100 pcs)

Whatman 10300011 Quantitative Filter Papers 125 mm are high-purity ashless filters designed for fast filtration of coarse precipitates. With an ash content of less than 0.01%, these filters are ideal for Blaine test applications in the cement industry and ash content determination in foodstuffs. The black ribbon filter ensures efficiency and reliability, making it an excellent choice for gravimetric analysis and instrumental sample preparation.

Product Features

• High Purity and Ash-Free Composition: Made from high-quality cotton linters with 98% minimum alpha cellulose content, ensuring low impurity levels and high consistency. With less than 0.01% ash content, it is perfect for quantitative analytical applications.
• Fast and Efficient Filtration Performance: Features a Herzberg filtration speed of 50 seconds, allowing rapid filtration of coarse precipitates while maintaining clarity in analytical procedures.
• Optimized for Blaine Test and Ash Content Analysis: Specially designed for Blaine air permeability testing in the cement industry, ensuring precise measurements of cement fineness. Additionally, it is an essential tool for gravimetric ash content determination in foodstuffs, ensuring regulatory compliance and quality control.
• Durable and Reliable Structure: Constructed with a thickness of 190 µm and a basis weight of 80 g/m², providing mechanical strength and consistency. It maintains its integrity even when wet, making it easy to handle during filtration processes.
• Convenient Availability: Also available in a prepleated version (Grade 589/1 ½) for ease of use in various laboratory applications.

Applications

• Cement Industry: Blaine Test: Used for Blaine air permeability testing, a crucial step in cement fineness measurement and quality control. It ensures reproducible and precise results, meeting industry standards.
• Food Industry: Ash Content Determination: Ideal for gravimetric analysis in food processing and agricultural product testing. It provides accurate quantitative measurement of ash content, ensuring compliance with food safety regulations.
• General Laboratory and Industrial Use: Suitable for sample preparation in instrumental analysis, including spectroscopy and chromatography. It is widely used in quantitative standard methods requiring precise filtration of coarse precipitates.

Product Specifications