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Industrial & Scientific

Quantitative Filter Paper

Whatman Quantitative Filter Paper, Ashless, Grade 42, 24 cm 1442-240 (Package of 100 Circles)

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Whatman Quantitative Filter Paper, Ashless, Grade 42, 24 cm 1442-240 (Package of 100 Circles)
- Quantitative filter paper for gravimetric and instrumental analysis
- Commonly used as a calcium carbonate filter for analysis in the cement industry
- Also used for barium sulfate and metastannic acid for use in glazes, coatings, and pigments
- Fine particle retention rating eliminates large particles that interfere with sensitive instrumentation
- Herzberg filtration speed of 1870 s
Whatman Quantitative Filter Paper, Ashless, Grade 42, 24 cm 1442-240 (Package of 100 circles). 2.5 µm particle retention in liquid; 5 ml/min typical water flow rate for 9 cm diameter; 200 µm nominal thickness; 100 g/m2 nominal basis weight; 96 s/100 mL/in2 nominal air flow rate; 0.007% nominal ash content, greater than/equal to 98% alpha cellulose content minimum.
Country USA
Brand Whatman
Manufacturer GE Healthcare Life Sciences
Binding Misc.
ItemPartNumber 1442-240-UOM-PK
UnitCount 100
UPCs 646492120200
EANs 0646492120200
ReleaseDate 0000-00-00