Quantitative Filter Paper Grade 40, 8um, 55 mm 100/PK is supplied by the company, Whatman PLC.

This Quantitative Filter Paper is a general purpose filter designed to be used for quantitative analysis. This Quantitative Filter Paper is a grade 40 high purity filter paper.

Product specifications:

• Catalog number: 1440-055
• Brand: Whatman
• Quantity/unit: Pack of 100

Product features:

• Grade: Grade 40
• Format: Circles
• Diameter: 55mm
• Type: Ashless
• Material: High-quality cotton linters
• Nominal ash content: 0.007%
• Nominal air flow rate: 21 s/100 ml/in2;
• Nominal basis weight: 95 g/m;2;
• Nominal thickness: 210 m
• Typical particle retention in liquid: 8 m
• Typical water flow rate: 25 ml/min
• Alpha cellulose content min: 98%