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Cytiva (Formerly GE Healthcare Life Sciences) Whatman™ Qualitative Filter Paper: Grade 4 Circles

Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

£5.73 - £124.00

Specifications

Grade Grade 4
Pore Size (Metric) 20 to 25μm
Format Circles
Thickness 210 μm
Material Cellulose
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Products 16
Product Code Brand Diameter (Metric) Price Quantity & Availability  
Product Code Brand Diameter (Metric) Price Quantity & Availability  
11370444
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-027
27 mm £34.76
Pack of 400
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Estimated Shipment
08-12-2020
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12375813
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-041
41mm £6.53
Pack of 100
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Estimated Shipment
07-12-2020
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11342845
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-042
42.5 mm £11.75
Pack of 100
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Estimated Shipment
07-12-2020
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11390444
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-047
47 mm £5.73
Pack of 100
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Estimated Shipment
04-12-2020
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11300454
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-050
50 mm £5.88
Pack of 100
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Estimated Shipment
07-12-2020
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11352845
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-055
55 mm £14.27
Pack of 100
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In stock, ready to ship: 3
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10598671
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-070
70 mm £14.87
Pack of 100
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In stock, ready to ship: 5
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11372845
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-090
90 mm £17.33
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In stock, ready to ship: 8
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11382845
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-110
110 mm £22.50
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In stock, ready to ship: 10
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11392845
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-125
125 mm £28.38
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In stock, ready to ship: 12
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10614941
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-150
150 mm £36.07
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In stock, ready to ship: 52
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10419691
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-185
185 mm £53.34
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In stock, ready to ship: 12
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11322855
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-240
240 mm £84.64
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In stock, ready to ship: 12
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11360444
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-270
270 mm £53.39
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Estimated Shipment
30-12-2020
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11332855
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-320
320 mm £91.42
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Estimated Shipment
07-12-2020
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11380444
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Cytiva (Formerly GE Healthcare Life Sciences)
1004-400
400 mm
£124.00
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Estimated Shipment
06-01-2021
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Description

Description

 

These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
  • Particle Retention: 25μm
  • Porosity: Coarse
  • Filtration speed: Herzberg, 37 sec.
  • Surface: smooth
  • Extremely fast filtering  with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide
  • Useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis
Specifications

Specifications

Grade 4
Circles
Cellulose
20 to 25μm
210 μm
SDS