Whatman Grade 2 Qualitative Filter Paper, Standard, 42.5 mm circle, 100 Pack, 1002-042

Whatman product code1002-042
MaterialCellulose
Description8µm (Medium Flow)
Parameter0.29 psi wet burst
Thickness190 μm
Ash≤0.06%
Diameter/ Dimensions42.5mm (circles)
Weight 97 g/m2
Quantity100
Regular Price $15.00 Price $13.27
In stock
SKU
1002-042

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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.

Whatman Product Code1002-042
MaterialCellulose
GradeGrade 2
Size42.5 mm
Typical Particle Retention Rate in Liquid8 µm
Parameter0.29 psi Wet Burst
Thickness190 μm
Ash Content≤0.06%
Basis Weight97 g/m^2
Air Flow Rate20 s/100 ml/in^2
FormatCircles
Pack Size100
More Information
Grade 2
Format Circle
Manufacturer Whatman

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