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Whatman 1005-070 Quantitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 70mm Diameter (Pack of 100) sold2025 Cortina handheld warning flagWhatman 1005 070 Quantitative Filter Paper Circles, 2. 5 Micron, 94 s 100mL sq inch Flow Rate, Grade 5, 70mm Diameter (Pack of 100) This Whatman 7. 0cm, grade 5, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It has the maximum degree of fine particle filtration (2. 5m) in the qualitative range. It is capable of retaining the fine precipitates encountered in chemical analysis. This filter paper