Qualitative Filter Paper, 185 mm dia, Cellulose, Grade 594 1/2

Diameter	:	185 mm
Grade	:	Grade 594 1/2
Material	:	Cellulose
Grade Type	:	Standard
Type	:	Qualitative
Filtration Speed	:	800 sec (Herzberg)
Format	:	Circle
Nominal Basis Weight	:	75 g/m2
Particle Retention in Liquid	:	4 µm
Properties	:	Slow
Thickness	:	150 µm

A standard grade filter paper for fine precipitatesMaintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itselfDecreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponedSavings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analysesIncreased total loading capacity as more filter area is availableThe prepleating does not significantly affect any of the technical data and the same figures may be used for the flat circlesCellulose filters are used in qualitative analytical techniques to determine and identify materialsPrepleated qualitative filters give improved flow rate and increased loading capacity compared to equivalent quadrant folded filters