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Cytiva (Formerly GE Healthcare Life Sciences) Whatman™ Quantitative Filter Paper: Grade 541 Circles

Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Whatman™ Quantitative Filter Paper: Grade 541 Circles  are acid hardened cellulose filters, which reduces ash to an extremely low level.

£15.02 - £241.00

Specifications

Grade Grade 541
Porosity Coarse
Thickness (Metric) 155μm
Flow Rate 359mL/min
Airflow Rate 3 s/100 mL/in2
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Products 12
Product Code Brand Diameter (Metric) Price Quantity & Availability  
Product Code Brand Diameter (Metric) Price Quantity & Availability  
11390514
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-042
42.5mm £15.02
Pack of 100
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Estimated Shipment
07-12-2020
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11300524
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-047
47mm
£16.07
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Estimated Shipment
07-12-2020
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10632962
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-055
55mm £25.27
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10642962
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-070
70mm £26.57
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Estimated Shipment
07-12-2020
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10251891
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-090
90mm £39.83
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10634282
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-110
110 mm £53.34
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11392995
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-125
125 mm £62.34
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10505371
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-150
150 mm £89.41
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In stock, ready to ship: 15
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10225451
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-185
185 mm £147.00
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Estimated Shipment
07-12-2020
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11323005
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-240
240mm £167.00
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Estimated Shipment
09-12-2020
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11360514
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-320
320mm
£241.00
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Estimated Shipment
08-12-2020
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11350514
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Cytiva (Formerly GE Healthcare Life Sciences)
1541-270
270mm This item is currently unavailable or has been discontinued.
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Description

Description

Whatman hardened ashless quantitative filter papers are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. They are suitable for a wide range of critical filtration procedures. 
  • Large nominal particle retention for fast analytical filtration.
  • High wet-strength
  • High chemical resistance to strong acid and alkali suspensions
  • Retention of gelatinous precipitate
  • 22 µm nominal particle retention rating
  • Fast flow rate (Herzberg filtration speed 34 s)
  • Maximum of 0.006% ash concentration
  • Quantitative determination of milk sediment
Applications
  • Use as an animal foodstuff filter for determining fiber content
  • Determination of gelatin content in milk and cream
  • Quantification of chloride in cement, as well as chloride and phosphorous in coal and coke
Specifications

Specifications

Grade 541
155μm
3 s/100 mL/in2
Coarse
359mL/min
SDS