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Quantitative Papers: Ashless Grade 41

From $31.95
List Price From $36.00

GE Whatman Quantitative Papers: Ashless Grade 41 are Type Grade 41 with an ash percentage of 0.007. They are produced under carefully controlled conditions to ensure low ash levels with progressively increasing wet strengths. 

They are excellent for gravimetric analysis and for preparative stages of analysis involving instrumental techniques such as atomic absorption (AA) spectrophotometry and infrared (IR) analysis. Diameters listed below are the most popular. Sizes down to 2.2 cm and up to 50cm are available. 

The Type Grade 41 is the fastest ashless filter paper recommended for analytical procedures involving coarse products or gelatinous precipitates.

Key Features

  • Perfect for gravimetric analysis
  • Recommended for coarse or gelatinous precipitates
Specifications for Whatman® Quantitative Papers: Ashless Grade 41
Retention: 20-25 µm
Initial Filtration Speed: 54 sec/100 mL
Typical Thickness: 0.22 mm
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Cat # Diameter Units Of Measure Availability Price Quantity
EF8341A1441-042
4.25 cm
Ships By: 1/8/2018
  • $31.95
  • List: $36.00
EF8341B1441-055
5.5 cm
Ships By: 1/11/2018
  • $34.95
  • List: $39.00
EF8341E1441-110
11 cm
In stock (94)
  • $40.65
  • List: $46.00
EF8341F1441-125
12.5 cm
In stock (161)
  • $47.40
  • List: $53.00
EF8341G1441-150
15 cm
In stock (36)
  • $64.30
  • List: $72.00
EF8341H1441-185
18.5 cm
In stock (3)
  • $160.95
  • List: $181.00
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