FILTER PAPER CIRCLES WHATMAN GRADE 91 12.5CM PK 4000 Narrow Neck PPR Bottles 5% Accuracy Within ±3mg per

5%  Accuracy   Within ±3mg per litre at  the 200mg per litre level    Within 2

Versatile controller for accurate repeatability of temperature settings

In acrylonitrile butadiene styrene (ABS) case with metal hook and suspension ring

Pyrex® burettes from Scilabware conform to ISO385

one set of 0

FILTER PAPER CIRCLES WHATMAN GRADE 91 12.5CM PK 4000 Narrow Neck PPR Bottles 5% Accuracy Within ±3mg perGrade No. Flowrate Retention microns Wet strength Thickness, mm 91* General purpose schools grade, creped Medium Fast 10 High 0. 23 *Schools grade papers are manufactured and packed to less critical standards than other Whatman filters. Approximate values only