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Hardened Ashless Grades (Ash 0.006%)

From $34.95
List Price From $71.00

GE Whatman Hardened Ashless Grades (Ash 0.006%) have extremely low ash levels and feature high wet strength and chemical resistance. Diameters listed below are the most popular. Sizes up to 60 cm are available. Please contact your Daigger representative for ordering information.

Type Grade 540: General purpose hardened ashless paper with medium retention and flow rate. Frequently used in gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.

Type Grade 541: Fast filtration of coarse particles and gelatinous precipitates in acid/alkali solution during gravimetric analysis. Typical applications include fiber in foodstuffs, gelatin in milk and cream, chloride in cement and chloride and phosphorous in coal and coke.

Type Grade 542: High retention of fine particles with slow flow rate under demanding conditions. Very hard and strong with excellent chemical resistance.

Key Features

  • Acid hardened paper with extremely low ash level (0.006%)
  • High wet strength and chemical resistance
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Cat # Grade Retention Initial Filtration Speed Additional Features Units Of Measure Availability Price Quantity
EF8345D1540-090
540 8 µm 200 sec/100 mL
  • Diameter: 9 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $63.95
  • List: $71.00
EF8345E1540-110
540 8 µm 200 sec/100 mL
  • Diameter: 11 cm
  • Thickness: 0.16 mm
In stock (4)
  • $76.95
  • List: $87.00
EF8345F1540-125
540 8 µm 200 sec/100 mL
  • Diameter: 12.5 cm
  • Thickness: 0.16 mm
Ships By: 1/8/2018
  • $88.95
  • List: $100.00
EF8345G1540-150
540 8 µm 200 sec/100 mL
  • Diameter: 15 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $124.95
  • List: $140.00
EF8345H1540-185
540 8 µm 200 sec/100 mL
  • Diameter: 18.5 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $183.95
  • List: $206.00
EF8345J1540-240
540 8 µm 200 sec/100 mL
  • Diameter: 24 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $280.95
  • List: $315.00
EF8384A1541-042
541 20-25 µm 34 sec/100 mL
  • Diameter: 4.25 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $34.95
  • List: $39.00
EF8384C1541-055
541 20-25 µm 34 sec/100 mL
  • Diameter: 5.5 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $40.95
  • List: $46.00
EF8384D1541-070
541 20-25 µm 34 sec/100 mL
  • Diameter: 7 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $48.95
  • List: $55.00
EF8384E1541-090
541 20-25 µm 34 sec/100 mL
  • Diameter: 9 cm
  • Thickness: 0.16 mm
Ships By: 1/8/2018
  • $63.95
  • List: $71.00
EF8384F1541-110
541 20-25 µm 34 sec/100 mL
  • Diameter: 11 cm
  • Thickness: 0.16 mm
In stock (15)
  • $42.81
  • List: $48.00
EF8384G1541-125
541 20-25 µm 34 sec/100 mL
  • Diameter: 12.5 cm
  • Thickness: 0.16 mm
In stock (60)
  • $50.77
  • List: $57.00
EF8384H1541-150
541 20-25 µm 34 sec/100 mL
  • Diameter: 15 cm
  • Thickness: 0.16 mm
In stock (5)
  • $73.34
  • List: $83.00
EF8384J1541-185
541 20-25 µm 34 sec/100 mL
  • Diameter: 18.5 cm
  • Thickness: 0.16 mm
In stock (6)
  • $108.32
  • List: $121.00
EF8384K1541-240
541 20-25 µm 4 sec/100 mL
  • Diameter: 24 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $289.95
  • List: $325.00
EF8384L1541-320
541 20-25 µm 34 sec/100 mL
  • Diameter: 32 cm
  • Thickness: 0.16 mm
Ships By: 1/10/2018
  • $598.95
  • List: $672.00
EF8348F1542-125
542 2.7 µm 39 sec/100 mL
  • Diameter: 12.5 cm
  • Thickness: 0.15 mm
In stock (1)
  • $88.95
  • List: $100.00
EF8348H1542-185
542 2.7 µm 39 sec/100 mL
  • Diameter: 18.5 cm
  • Thickness: 0.15 mm
Ships By: 1/10/2018
  • $183.95
  • List: $206.00
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