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Quantitative Papers: Ashless Grade 40

From $25.95
List Price From $30.00

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

I¦WHT1440-090
1440-090
9 cm
In stock (37)
  • $25.95
  • List: $30.00

I¦WHT1440-110
1440-110
11 cm
In stock (159)
  • $30.95
  • List: $35.00

I¦WHT1440-125
1440-125
12.5 cm
In stock (127)
  • $31.95
  • List: $36.00

I¦WHT1440-150
1440-150
15 cm
In stock (2)
  • $43.95
  • List: $49.00
EF8364H1440-185
18.5 cm
Ships By: 7/18/2018
  • $110.95
  • List: $124.00
EF8364J1440-240
24 cm
Ships By: 7/16/2018
  • $187.95
  • List: $211.00
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