Cytiva Whatman™ Quantitative Filter Papers: Grade 542 Circles

Description

Enables high retention of fine particles in chemically harsh conditions. Whatman™ Quantitative Filter Papers: Grade 542 Circles are well suited for use in capturing fine precipitates in applications such as metal determinations and hydroxide collection.

Whatman hardened ashless quantitative filter papers are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. They are suitable for a wide range of critical filtration procedures.

• High retention of fine precipitates in applications such as metal determinations and hydroxide collection
• Collection of trace elements and radionuclides from the atmosphere
• Nominal particle retention rating of 2.7 μm
• Herzberg filtration speed of 2510 s
• Extremely low ash content (0.006% ash maximum)

Specifications

• Airflow Rate: 64 s/100 mL/in²
• Description: Grade 542 Ashless Fine Precipitate FIlter, 150 mm circles (100 pcs)
• Filter Type: Hardened Ashless
• Format: Disc
• Material: Cotton Linters
• Particle Retention: 2.7 μm
• Filtration Speed: ASTM, 250 seconds; Herzberg, 2510 seconds
• For Use With (Application): Used in gravimetric metal determinations.
• Grade: Grade 542
• Porosity: Fine
• Quantity: 100/Pk.
• Thickness (Metric): 150 μm
• Type: Quantitative Filter Paper
• Diameter (English): 5.9 in.
• Diameter (Metric): 150 mm