FILTER PAPER CIRCLES WHATMAN GRADE NO.4 9CM DIA BOX 100 Weight Sets UKAS Certificate microtitre plates and conical tubes

microtitre plates and conical tubes with screw cap (blood collection tube and cyto accessories are also available - details on request)

Capacity: 42 litres

depending on vertical or horizontal immersion and the liquid or broth viscosity

For Cole-Parmer (formerly Techne) 18 and 26 Litre Baths

External calibration using accessory weight

FILTER PAPER CIRCLES WHATMAN GRADE NO.4 9CM DIA BOX 100 Weight Sets UKAS Certificate microtitre plates and conical tubesQualitative Grade Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 4 Excellent retention of coarse and gelatinous precipitates Fast 20 25 Low* 0. 21 0. 06 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of the paper.