Whatman 1091-185 Quantitative Filter Paper Circles, 10 Micron, 6.2 s/100mL/sq inch Flow Rate, Grade 91, 185mm Diameter (Pack of 1000)

Product ID : 31028831

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Galleon Product ID 31028831

Shipping Weight 4.45 lbs
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Model F1105-5

Manufacturer Whatman

Shipping Dimension 8.7 x 7.91 x 7.72 inches
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Whatman 1091-185 Quantitative Filter Paper Features

• 18.5cm

• Grade 91

• Intended for less critical routine analysis; widely used within pharmaceutical laboratories for routine filtration

• Extremely strong; high wet strength due to the addition of a small quantity of chemically stable resin

• Normal qualitative applications will not introduce any significant impurities into the filtrate

About Whatman 1091-185 Quantitative Filter Paper

Description This Whatman 18.5cm, grade 91, general-purpose, crêped filter paper is intended for less critical routine analysis. It is widely used to assay sucrose in sugar and within pharmaceutical laboratories for routine filtration. Extremely strong filter paper, it has a high wet strength due to the addition of a small quantity of chemically stable resin. The resins do, however, contain nitrogen, so this grade should not be used in Kjeldahl estimations, etc. Normal qualitative applications will not introduce any significant impurities into the filtrate. Retention: 10µm. Diameter: 18.5cm. 1,000/Pack. Whatman #: 1091-185.