MilliporeSigma™ Quantitative Filter Papers: Ashless Circles
Manufacturer: MilliporeSigma™ FP22209000
1Filtration speed conditions. DIN 53137, time for 10mL to pass through filter; Herzberg, time for 100mL to pass through 10cm2 filter paper with 10cm constant head pressure of water.
|Fastest for fine particle retention. Similar to Grade 221, but with twice the flowrate. Use for filtering extremely difficult and finely grained precipitates.|
|DIN 53137, 75 seconds; Herzberg, 750 seconds|
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