GR 540 11CM PYRAMID 1000/PK is supplied by the company Whattman PLC.

Grade 540 Pyramid folded filter paper is designed to provide ease in use while undertaking repetitive or multiple analyses. This Grade 540 Pyramid folded filter paper is a pyramid folded paper.

Product specifications:

• Catalog number: 1540-10124
• Brand: Whatman
• Quantity/unit: Pack of 1000

Product features:

• Application: Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.
• Diameter: 110mm
• Material: high quality cotton linters
• Grade: Grade 540
• Nominal ash content: 0.005%
• Nominal air flow rate: 13 s/100 mL/in2
• Basis weight: 85 g/m2;
• Nominal thickness: 160 m
• Type : hardened ashless
• Particle retention in liquid: 8 m
• Format: Folded