Qualitative Filter Papers-Grade 6: 3μm

Extremely fast filtering with excellent retention of coarse particles and gelatinous
precipitates such as ferric hydroxide and aluminum hydroxide.

Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis.

Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

Available prepleated as Grade 4V.

Whatman chromatography paper media are made from specially selected cotton cellulose.

They are rigorously quality controlled for characteristics important to the chromatographer and to ensure uniformity within
the grade.

Features and benefits
• Pure cellulose produced entirely from the highest quality cotton linters
with no additives of any kind
• Manufactured and tested specifically for chromatographic techniques –
this ensures the wicking capability and uniformity of capillary action that
are important in chemical separations
• Also widely used in protein and nucleic acid blotting