Filter Paper 7 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 70 mm (Bundle of 3 x 100 Discs)
Size 7 cm (Bundle of 3)
7 cm (Bundle of 3)
9 cm (Bundle of 3)
11 cm (Bundle of 3)
15 cm (Bundle of 3)
18.5 cm (Bundle of 3)
Special Features
GRADES 1, 2, 4 : 11cm - Equivalent to Whatman Top 3 standard qualitative grades (110mm)
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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