FILTER PAPER CIRCLES WHATMAN GRADE NO.1 15 CM DIA BOX 100 Precision Optical Cells It is alkaline and is

It is alkaline and is therefore unsuitable for cleaning non-ferrous metals such as aluminium

Supplied with 8-piece weight set

The Lovibond® Daylight 2000 lighting unit is a bench-mounted artificial light source for the 2000+ comparator

5  Calibration      Automatic in saturated air                 Power   43 x 1

acids and bases

FILTER PAPER CIRCLES WHATMAN GRADE NO.1 15 CM DIA BOX 100 Precision Optical Cells It is alkaline and isQualitative Grade Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 1 The most widely used general purpose paper Medium Fast 11 Low* 0. 18 0. 06 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of paper.