Photo of Whatman Grade 4 Qualitative Filter Paper

Whatman Grade 4 Qualitative Filter Paper. ALL SIZES

Whatman Grade 4 offers extremely fast filtering (20-25 µm) with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a rapid filter for routine cleanup of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. Used in air pollution analysis. 100 circles/box.

(Sample Photo Displayed. Individual items may differ from the image shown.)

 

Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-1 1004-042

Diameter(cm): 4.25

$10.52
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-2 1004-055

Diameter(cm): 5.50

$13.50
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-3 1004-070

Diameter(cm): 7.00

$13.50
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-4 1004-090

Diameter(cm): 9.00

$16.55
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-5 1004-110

Diameter(cm): 11.00

$21.00
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-6 1004-125

Diameter(cm): 12.50

$26.95
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-7 1004-150

Diameter(cm): 15.00

$34.47
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-8 1004-185

Diameter(cm): 18.50

$51.00
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-9 1004-240

Diameter(cm): 24.00

$86.90
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-10 1004-320

Diameter(cm): 32.00

$163.63
Box of 100
Cat. No. Mfr. No. Details
Price Quantity Unit of Measure
F1060-11 1004-400

Diameter(cm): 40.00

$242.62
Box of 100