GR 52 9CM 100/PK is supplied by the company Whattman PLC.

Grade 52 Filter Paper is a general purpose filter designed ideally for quantitative analysis in Buchner funnel or other vacuum filtrations. This Grade 52 Filter Paper has a acid-hardened surface and low ash content enables efficient precipitate recovery.

Product specifications:

• Catalog number: 1452-090
• Brand: Whatman
• Quantity/unit: Pack of 100

Product features:

• Diameter: 90mm
• Format: Circle
• Grade: Grade 52
• Type: Hardened low ash
• Basis weight: 96 g/m;;2
• Air flow rate: 15 s/100 mL/in2;
• Nominal ash content: 0.015%
• Material: High-quality cotton linters
• Nominal thickness: 175 m
• Typical particle retention in liquid: 7 m
• Typical water flow rate: 66 ml/m
• Alpha cellulose content min: 98%