Wet-strengthened Filter Papers for Qualitative Analyses

These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an > 95% α-celluloose content, are very pure with an ash content < 0.1%.

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Products (21)

Qualitative Filter Papers/ Grade 1290 / 125 mm Discs
Pieces
100
Item no.
FT-3-208-125
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 125 mm

$22.00

Qualitative Filter Papers/ Grade 1290 / 150 mm Discs
Pieces
100
Item no.
FT-3-208-150
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 150 mm

$30.20

Qualitative Filter Papers/ Grade 1290 / 240 mm Discs
Pieces
100
Item no.
FT-3-208-240
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 240 mm

$69.60

Qualitative Filter Papers/ Grade 1290 / 70 mm Discs
Pieces
100
Item no.
FT-3-208-070
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 70 mm

$12.80

Qualitative Filter Papers/ Grade 1290 / 50 mm Discs
Pieces
100
Item no.
FT-3-208-050
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 50 mm

$12.80

Qualitative Filter Papers/ Grade 1290 / 55 mm Discs
Pieces
100
Item no.
FT-3-208-055
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 55 mm

$12.80

Qualitative Filter Papers/ Grade 1290 / 90 mm Discs
Pieces
100
Item no.
FT-3-208-090
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 90 mm

$12.80

Qualitative Filter Papers/ Grade 1290 / 185 mm Discs
Pieces
100
Item no.
FT-3-208-185
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 185 mm

$44.10

Qualitative Filter Papers/ Grade 1290 / 320 mm Folded Discs
Pieces
100
Item no.
FT-4-208-320
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 320 mm

$145.00

Qualitative Filter Papers/ Grade 1290 / 90 mm Folded Discs
Pieces
100
Item no.
FT-4-208-090
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 90 mm

$132.00

Qualitative Filter Papers/ Grade 1290 / 240 mm Folded Discs
Pieces
100
Item no.
FT-4-208-240
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 240 mm

$94.00

Qualitative Filter Papers/ Grade 1290 / 110 mm Folded Discs
Pieces
100
Item no.
FT-4-208-110
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 110 mm

$51.00

Qualitative Filter Papers/ Grade 1290 / 110 mm Discs
Pieces
100
Item no.
FT-3-208-110
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 110 mm

$16.20

Qualitative Filter Papers/ Grade 1290 / 300 mm Discs
Pieces
100
Item no.
FT-3-208-300
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 300 mm

$74.20

Qualitative Filter Papers/ Grade 1290 / 385 mm Folded Discs
Pieces
100
Item no.
FT-4-208-385
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 385 mm

$319.00

Qualitative Filter Papers/ Grade 1290 / 125 mm Folded Discs
Pieces
100
Item no.
FT-4-208-125
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 125 mm

$51.00

Qualitative Filter Papers/ Grade 1290 / 150 mm Folded Discs
Pieces
100
Item no.
FT-4-208-150
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 150 mm

$51.00

Qualitative Filter Papers/ Grade 1290 / 270 mm Folded Discs
Pieces
100
Item no.
FT-4-208-270
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 270 mm

$110.00

Qualitative Filter Papers/ Grade 1290 / 185 mm Folded Discs
Pieces
100
Item no.
FT-4-208-185
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
N/A
Filter Diameter
⌀ 185 mm

$58.00

Qualitative Filter Papers/ Grade 1290 / 580 x 580 mm Sheets
Pieces
100
Item no.
FT-2-208-580580
Grade
1290
Application Area
Analytical Sample Preparation, Particle Analysis
Dimensions
580 × 580 mm
Filter Diameter
N/A

$360.00

Results per page: | |

Wet-strengthened Filter Papers for Qualitative Analyses

Grade

Material

Weight
(g/m2)

Thickness
(mm)

Wet Bursting
Strength (kPa)

Ash content (%)

Particle
retention (µm)

Properties

1288

Refined pulp and Linters

84

0.21

≥30

<0.1

12 - 15

Wide pored, fast rate of filtration

1289

Refined pulp and Linters

84

0.21

≥30   

<0.1

8 - 12

Medium pored, medium-fast rate of filtration

1292

Refined pulp and Linters

84

0.17

≥30

<0.1

5 - 8

Medium pored, moderately fast rate of filtration

1290

Refined pulp and Linters

84

0.15

≥30

<0.1

3 - 5

Narrow pored, slow rate of filtration

1291

Refined pulp and Linters

84

0.15

≥30

<0.1

2 - 3

Fine pored, very slow rate of filtration

293

Refined pulp and Linters

80

0.15

≥20

<0.1

1 - 2

Very fine pored, very slow rate of filtration


High-purity, Qualitative Filter Papers
Item no.
M_Qualitative_Filter_Papers_Highpurity

These paper grades are used for analytical purposes that require a low ash content.

Grades 292 and 292a are especially suitable for soil analyses because they are low in nitrogen. For phosphate or sodium determination, we recommend grades 131 and 132.