Quantitative filter papers -

Whatman quantitative filter papers

Ashless characteristics:
• Made from cotton fibres of high quality in rooms with controlled dust.
• High purity filter for a wide range of critical applications
• 0.007 % ashes maximum

Enhanced low ash characteristics:
• Treatment with strong acids to improve the chemical resistance and strength after wetting
• Smooth surface for the recovery of precipitates
• 0.015 % ashes maximum

Enhanced ashless characteristics:
• Acid treatment for better resistance after wetting in combination with a very low ash residue
• Smooth and resistant surface for a wide variety of manipulations
• 0.006 % ashes maximum

Quantitative Filter papers

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RS filter paper

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SCLO (blue ribbon)
• Grammage (g/m²): 80
Thickness (mm): 0,2• Retention (µm): 3
• Filtration rate (s): 100
• Medium humidity resistance

SCMO
• Grammage (g/m²): 80
Thickness (mm): 0,16• Retention (µm): 6
• Filtration rate (s): 40
• Medium humidity resistance

SCRO (red ribbon)
• Grammage (g/m²): 80
Thickness (mm): 0,16• Retention (µm): 10
• Filtration rate (s): 25
• Acceptable Humidity resistance

SCSG
• Grammage (g/m²): 80
Thickness (mm): 0,16• Retention (µm): 6
• Filtration rate (s): 40
• Medium humidity resistance