Cytiva Whatman™ Qualitative Filter Paper: Grade 5 Circles

SKU: 1005-047~pk

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Cytiva Whatman™ Qualitative Filter Paper: Grade 5 Circles - 100 Circles

A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis.

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

Grade 5: 2.5 µm

The maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis. Slow flow rate. Excellent clarifying filter for cloudy suspensions and for water and soil analysis.

Thickness	200 µm (typical)
Particle retention	2.5 µm (Particle retention rating at 98% efficiency), in liquid max.
Filtration speed	Approx. 1420 s (Herzberg)
Ash content	0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
Burst strength	0.027 bar Wet Burst; 1.447 bar Dry Burst
Flow rate	Slow
Basis weight	98 g/m²
Airflow rate	94 s/100 ml/in²
Tensile strength	55.6 N/15 mm Tensile M/D Dry

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Cytiva Whatman™ Qualitative Filter Paper: Grade 5 Circles

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