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Qualitative Filter Paper 9 cm, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 90 mm (Bundle of 3 x 100 Discs)

Qualitative Filter Paper 9 cm, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 90 mm (Bundle of 3 x 100 Discs)

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Product Details

GRADES 1, 2, 4 : 9cm - Equivalent to Whatman Top 3 standard qualitative grades (90mm) GRADE 1 : MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron) GRADE 2 : HIGH RETENTION / SLOW FLOW - Retains fine crystalline particles (5~10 micron) GRADE 4 : COARSE RETENTION / FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron) BROAD APPLICATION RANGE : lab & chemistry, food & agriculture, brewing & wine, air & gas filtration

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