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Quantitative Papers: Ashless Grade 40

From $49.95
List Price From $58.00

GE Whatman Quantitative Papers: Ashless Grade 40 are produced under carefully controlled conditions to ensure low ash levels with progressively increasing wet strengths. Grade 40 is a classic, general purpose paper with medium speed and retention. Typical applications include gravimetric analysis for components in cements, clays, iron and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis and pure clean-up prior for AA spectrophotometry.

Key Features

  • Ash levels of 0.007%
  • Well suited for gravimetric analysis, AA spectrophotometry, IR analysis, general soil analysis or other applications requiring a low-ash paper
Specifications for Whatman® Quantitative Papers: Ashless Grade 40
Retention: 8 µm
Flow Rate: Medium
Initial Filtration Speed: 340 sec/100 mL
Typical Thickness: 0.21 mm
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Cat # Diameter Units Of Measure Availability Price Quantity
EF8364D1440-090
9 cm
Ships By: 9/9/2019
  • $49.95
  • List: $58.00

EF8364E
1440-110
11 cm
In stock (81)
  • $66.95
  • List: $76.00

EF8364F
1440-125
12.5 cm
Ships By: 8/28/2019
  • $69.95
  • List: $78.00
EF8364G1440-150
15 cm
Ships By: 9/9/2019
  • $89.95
  • List: $100.00
EF8364H1440-185
18.5 cm
Ships By: 9/10/2019
  • $112.95
  • List: $126.00
EF8364J1440-240
24 cm
Ships By: 9/9/2019
  • $190.95
  • List: $215.00
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