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Cytiva (Formerly GE Healthcare Life Sciences) Whatman™ Quantitative Filter Paper: Grade 40 Circles

Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.

$40.43 - $704.45

Specifications

Material High-quality cotton linters
Format Circles
Grade Grade 40
Pore Size (Metric) 8μm
Porosity Medium
View More Specs

Products 13
Catalog Number Mfr. No. Diameter (Metric) Price Quantity  
Catalog Number Mfr. No. Diameter (Metric) Price Quantity  
09-927-541
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Cytiva (Formerly GE Healthcare Life Sciences)
1440012
12.7mm Pack of 400 Each for $40.43
 
09-845H
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Cytiva (Formerly GE Healthcare Life Sciences)
WHT1440042
42.5mm Pack of 100 Each for $51.33
 
09-800-969
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Cytiva (Formerly GE Healthcare Life Sciences)
1440047
47mm Pack of 100 Each for $53.51
 
09-845A
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Cytiva (Formerly GE Healthcare Life Sciences)
1440055
55mm Pack of 100 Each for $56.68
 
09-845B
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Cytiva (Formerly GE Healthcare Life Sciences)
1440070
70mm Pack of 100 Each for $59.00
 
09-845C
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Cytiva (Formerly GE Healthcare Life Sciences)
1440090
90mm Pack of 100 Each for $82.01
 
09-845D
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Cytiva (Formerly GE Healthcare Life Sciences)
1440110
110mm Pack of 100 Each for $97.30
 
09-845E
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Cytiva (Formerly GE Healthcare Life Sciences)
1440125
125mm Pack of 100 Each for $110.34
 
09-845F
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Cytiva (Formerly GE Healthcare Life Sciences)
1440150
150mm Pack of 100 Each for $146.31
 
09-845G
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Cytiva (Formerly GE Healthcare Life Sciences)
1440185
185mm Pack of 100 Each for $216.11
 
09-845K
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Cytiva (Formerly GE Healthcare Life Sciences)
1440240
240mm Pack of 100 Each for $214.07
 
09-845M
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Cytiva (Formerly GE Healthcare Life Sciences)
1440320
320mm Pack of 100 Each for $704.45
 
09-845J
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Cytiva (Formerly GE Healthcare Life Sciences)
1440329
30mm Pack of 100 Each for $41.28
 
Description

Description

Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.

Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.
  • High-purity filters for quantitative analysis
  • Contain 0.007% maximum ash content
  • Medium nominal particle retention rating of 8µm
  • Medium filtration speed (Herzberg 340 sec.)

Suited for
  • Soil analysis, when separating solid matter from aqueous extracts
  • Quantitative determination of milk sediment
  • Use as a clean-up filter for solutions prior to atomic absorption (AA) spectrometry
  • Analysis of constituent components in cements, clays, iron, and steel products
  • Collection of trace elements and radionuclides from the atmosphere
Specifications

Specifications

High-quality cotton linters
Grade 40
Medium
210μm
Circles
8μm
Medium