PHASE SEPARATORS CIRCLES WHATMAN 1PS 12.5CM DIA BOX 100 Whatman Lens Cleaning Tissues With digital setting and display

With digital setting and display

check weighing

The Daylight unit fits into the back of the comparator and provides simulated illuminant C artificial daylight for precise colour comparisons

Filtration speeds generally very much higher than conventional cellulose papers

two 20-well

PHASE SEPARATORS CIRCLES WHATMAN 1PS 12.5CM DIA BOX 100 Whatman Lens Cleaning Tissues With digital setting and displayA silicone impregnated, water repellent paper which can be used to separate aqueous solutions from immiscible solvents. The aqueous phase is retained and the organic phase passes through. Will retain solid particles. Can be used either flat under suction not exceeding 70mm Hg or quadrant folded in a conical glass funnel. Note: This paper contains a small quantity of a tin complex catalyst. It is therefore not recommended for use when this complex may