TLG® Qualitative Filter Papers No. 2 are generally used in qualitative analytical techniques for the determination and identification of materials, as well as clarifying liquids. These filter papers have higher retention, absorption, and retention time than TLG® Qualitative Filter Papers No.1, making them suitable for atmospheric, seed, and soil testing. SPECIFICATIONS: Material: Cellulose Porosity: Medium Fine Surface: Smooth Particle Retention in Liquid: 8µm Herzberg Filtration Speed: 262sec/100mL (or ASTM: 55sec) Nominal Thickness: 200 ± 10µm Nominal Weight: 110g/m² Nominal Ash Content : 0.06% Package Size: 100 Pieces.

GRADE 2 Filter papers are equivalent to P4 of Fisher Scientific.