Ashless Round Hardened Filter Papers for Quantitative Analysis, Hahnemühle

Ashless hardened filter papers (mean ash content 0.002%), recommended particularly for vacuum and pressure filtration and the filtration of acidic and alkaline solutions.

  • Acid-washed and neutralised with water
  • Free of minerals and metallic ions, ideal for the detection of metallic ions
  • Precipitations can be wiped off or washed off easily and free of fibres
  • High resistance to aggressive chemical components, like sulphuric and nitric acids (up to 40% at 50° Celsius) and bases (up to 10% at 20° Celsius)

 

Technical specifications:

GradePropertiesFiltration
Herzberg s
Retention of
particles µm
Weight
g/m
2
Thickness
mm
1505fast5012 – 252)880.17
1506medium fast1704 – 122)900.16
1507slow6001)<22)900.14
1) Measured with 150 mm water column instead of 50 mm
2) Approximate values


Ø
mm
PU
pc/Pack
150515061507
Order No.Order No.Order No.
11010010 15 95210
12510010 15 9418510 15 9812510 15 97125
15010010 15 9415010 15 9615010 15 97150
18510010 15 97186
24010010 15 96240



Other sizes on request.

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