Macherey-Nagel

Filter paper circles, MN 640 we, 185mm (Pack of 100 filters)
• Used in analytical procedures of samples with coarse or gelatinous particles
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.22 mm
• Filtration speed: 5 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 12 to 25 micron
• Wetstrength: Light

Filter paper circles, MN 640 we, 240mm (Pack of 100 filters)
• Used in analytical procedures of samples with coarse or gelatinous particles
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.22 mm
• Filtration speed: 5 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 12 to 25 micron
• Wetstrength: Light

Filter paper circles, MN 640 we, 320mm (Pack of 100 filters)
• Used in analytical procedures of samples with coarse or gelatinous particles
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.22 mm
• Filtration speed: 5 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 12 to 25 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 55mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 70mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 90mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 110mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 125mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 150mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 185mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 240mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 41 (MN 640 w), 320mm (Pack of 100 filters)
• Fast, ashless filter paper
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 9 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 7 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 43 (MN 640 m), 110mm (Pack of 100 filters)
• Equivalent to Whatman Filter Paper No. 43
• General purpose, ashless filter paper with medium speed and medium retention
• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 27 s
• Material: Cellulose
• Ash content: ca. 0.1 %
• Color: White
• Retention capacity: 4 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 43 (MN 640 m), 125mm (Pack of 100 filters)
• Equivalent to Whatman Filter Paper No. 43
• General purpose, ashless filter paper with medium speed and medium retention
• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 27 s
• Material: Cellulose
• Ash content: ca. 0.1 %
• Color: White
• Retention capacity: 4 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 43 (MN 640 m), 150mm (Pack of 100 filters)
• Equivalent to Whatman Filter Paper No. 43
• General purpose, ashless filter paper with medium speed and medium retention
• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 27 s
• Material: Cellulose
• Ash content: ca. 0.1 %
• Color: White
• Retention capacity: 4 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 43 (MN 640 m), 185mm (Pack of 100 filters)
• Equivalent to Whatman Filter Paper No. 43
• General purpose, ashless filter paper with medium speed and medium retention
• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 27 s
• Material: Cellulose
• Ash content: ca. 0.1 %
• Color: White
• Retention capacity: 4 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 43 (MN 640 m), 240mm (Pack of 100 filters)
• Equivalent to Whatman Filter Paper No. 43
• General purpose, ashless filter paper with medium speed and medium retention
• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 27 s
• Material: Cellulose
• Ash content: ca. 0.1 %
• Color: White
• Retention capacity: 4 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 43 (MN 640 m), 320mm (Pack of 100 filters)
• Equivalent to Whatman Filter Paper No. 43
• General purpose, ashless filter paper with medium speed and medium retention
• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: 27 s
• Material: Cellulose
• Ash content: ca. 0.1 %
• Color: White
• Retention capacity: 4 to 12 micron
• Wetstrength: Light

Filter paper circles, No. 40 (MN 640 md), 70mm (Pack of 100 filters)
• Ashless filter paper, which is slightly more retentive than MN 640 m with corresponding increase in filtration time
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: Medium to slow
• Filtration speed: 55 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 4 to 7 micron
• Wetstrength: Light

Filter paper circles, No. 40 (MN 640 md), 90mm (Pack of 100 filters)
• Ashless filter paper, which is slightly more retentive than MN 640 m with corresponding increase in filtration time
• Surface: Smooth
• Basis weight: 85 g/m2
• Thickness: 0.2 mm
• Filtration speed: Medium to slow
• Filtration speed: 55 s
• Material: Cellulose
• Ash content: Less than 0.01 %
• Color: White
• Retention capacity: 4 to 7 micron
• Wetstrength: Light