Cytiva's Whatman™ Grade 91 Qualitative Filter Papers
A general purpose creped filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration.These extremely strong filter papers have a 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. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc.
Filter Paper Type:
Qualitative
Flow Rate:
6s/100mL/in2
For Use With:
Assay Sucrose in Cane Sugar and Within Pharmaceutical Laboratories for Routine Filtration
Grade:
91
Material:
Cellulose
Particle Retention:
10um
Thickness:
205um
Item ID | Diameter | Filter Format | Price | Packaging |
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WHATMAN 1091-110 | ||||
WHATMAN 1091-110 |
110mm | Creped Circles |
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WHATMAN 1091-125 | ||||
WHATMAN 1091-125 |
125mm | Creped Circles |
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WHATMAN 1091-150 | ||||
WHATMAN 1091-150 |
150mm | Creped Circles |
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WHATMAN 1091-165 | ||||
WHATMAN 1091-165 |
165mm | Creped Circles |
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WHATMAN 1091-185 | ||||
WHATMAN 1091-185 |
185mm | Creped Circles |
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WHATMAN 1091-240 | ||||
WHATMAN 1091-240 |
240mm | Creped Circles |
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WHATMAN 1091-930 | ||||
WHATMAN 1091-930 |
58cm | Sheets |
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WHATMAN 1091-935 | ||||
WHATMAN 1091-935 |
61cm | Sheets |
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