Ash-free round filter 589/4

Ash-free filter paper (on average 0.004 % ash), recommended for quantitative analyses, gravimetric routine tests and sample processing for instrumental analyses. Manufactured from highly refined cotton linters and cellulose, acid washed, α cellulose content over 95%. Ideally suited for food controls according to LFBG § 64 Abs. 1 und 2, beverage analyses and environmental monitoring. Proven colour coding makes it easy to distinguish the varieties

Product Details:

• Medium fast filtering
• Filtration Herzberg: 170 s
• Retention capacity: 4-7 µm
• Weight: 81 g/m²
• Thickness: 0,17 mm