GR 542 5.5CM 100/PK is supplied by the company Whatman PLC.

Grade 542 Ashless Fine Precipitate Filter is designed ideally for metal determination or hydroxide collection. This Grade 542 Ashless Fine Precipitate Filter is acid hardened to allow high retention of fine precipitates.

Product specifications:

• Catalog number: 1542-055
• Brand: Whatman
• Quantity/unit: Pack of 100

Product features:

• Diameter: 55mm
• Format: Circle
• Grade: Grade 542
• Type: Hardened Ashless
• Basis weight: 96 g/m;;2
• Air flow rate: 64 s/100 mL/in2;
• Nominal ash content: 0.005%
• Material: High-quality cotton linters
• Nominal thickness: 150 m
• Typical particle retention in liquid:2.7 m
• Typical water flow rate: 13 ml/m
• Alpha cellulose content min: 98%