Whatman 10300011 Quantitative Filter Papers 125 mm

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

The Whatman 10300011 Quantitative Filter Papers are high-purity, ashless filters designed for fast and efficient filtration of coarse precipitates. With an ash content of less than 0.01%, these black ribbon filters are widely used in Blaine permeability testing for cement fineness and in gravimetric ash content determination for foodstuffs. Their durable structure and consistent performance make them ideal for quantitative analysis and instrumental sample preparation.

Product Features

1. High Purity and Ash-Free Composition

• Manufactured from high-quality cotton linters with a minimum of 98% alpha cellulose content.

• Ash content of <0.01% ensures suitability for precise quantitative analytical methods.

2. Fast and Efficient Filtration Performance

• Provides a Herzberg filtration time of 50 seconds for rapid processing of coarse precipitates.

• Maintains clarity and accuracy in filtration procedures.

3. Optimized for Blaine Test and Ash Content Analysis

• Specially designed for cement Blaine air permeability testing to measure fineness with precision.

• Essential for gravimetric determination of ash content in food and agricultural products.

4. Durable and Reliable Structure

• Constructed with a uniform thickness of 190 µm and a basis weight of 80 g/m².

• Maintains mechanical strength even when wet, ensuring ease of handling.

5. Convenient Availability

• Also available in a prepleated version (Grade 589/1 ½) for improved efficiency in laboratory use.

Applications

• Cement Industry (Blaine Test): Used for air permeability testing of cement to ensure accurate quality control and compliance with standards.

• Food Industry (Ash Content Determination): Applied in gravimetric analysis for determining ash content in foodstuffs and agricultural samples.

• General Laboratory and Industrial Use: Suitable for sample preparation in spectroscopy, chromatography, and other instrumental analyses.

Product Specifications

• Product Name: Whatman 10300011 Quantitative Filter Paper

• Grade: 589/1

• Diameter: 125 mm

• Type: Ashless

• Format: Circular

• Thickness: 190 µm

• Basis Weight: 80 g/m²

• Filtration Speed (Herzberg): 25 s

• Filtration Time (Herzberg): 50 s

• Ash Content: < 0.01%

• Material: High-quality cotton linters

• Alpha Cellulose Content: Min. 98%

• Ribbon Color: Black

• Packaging: 100 pieces per pack

Conclusion

Cytiva’s Whatman 10300011 Grade 589/1 filter paper combines high purity, rapid filtration, and structural consistency. It is trusted in laboratories, industrial quality control, and research environments. Whether used for cement Blaine testing, food ash content determination, or general laboratory filtration, this filter paper ensures accuracy, reliability, and reproducibility.