Whatman
Grade 2 Qualitative Filter Paper, Standard, 125mm Circle, 100/Pk SKU: 1002-125

Grade 2: 8 μm, (medium flow filter paper)

Slightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e., slightly slower filtration speed). More absorbent than Grade 1. In addition to general filtration in the 8 μm particle size range, the extra absorbency is utilized.

Plant Growth Trials

Extra absorbency of Whatman Grade 2 is used to hold soil nutrients in plant growth trials. Also used for monitoring specific contaminants in the atmosphere and in soil testing.

For Use In The Beer Industry

Whatman Grade 2V in particular stands out as providing the highest rate of turbidity reduction and CO2 and yeast cell removal from samples. However, use of Grade 2V comes at a cost of a longer time to filter.

This certified Grade 2 is tested according to the procedure detailed in ASTM E 2187-09, Sections 9.3.1 and 9.3.2. The paper meets both the conditioned (26.1 ± 0.5 g, SD < 0.3 g) and dried (24.7 ± 0.5 g, SD < 0.3 g) weight requirements. Each lot is guaranteed to meet the ASTM E 2187-09 specifications.

Diameter

125mm

Grade

2

Material

Cellulose

Pore Size (µm)

8

Sterility

Nonsterile

Wetability

Hydrophilic