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Qualitative Filter

Qualitative filter paper is essential in laboratories for routine filtration tasks, used primarily to identify and separate substances rather than for quantitative analysis. Made from cellulose, it is designed in various porosities and thicknesses to accommodate different sediment types, allowing for effective separation based on particle size. This filter paper is crucial for clarifying solutions, cleaning biological samples, and collecting precipitates for further examination. Its primary function is to permit the passage of liquids while capturing solid particles, facilitating preliminary tests and qualitative assessments in fields such as environmental science, chemistry, and clinical research. The simplicity, affordability, and efficiency of qualitative filter paper render it indispensable in numerous scientific applications, making it a fundamental tool for researchers and technicians across various disciplines.

Original price $12.77
Original price $12.77 - Original price $12.77
Original price $12.77
Current price $6.38
$6.38 - $6.38
Current price $6.38

Ahlstrom 9090-0550 Qualitative Filter Paper Wet-Strengthened, Grade 909, 55 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $12.77
Original price $12.77 - Original price $12.77
Original price $12.77
Current price $6.38
$6.38 - $6.38
Current price $6.38
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Original price $8.81
Original price $8.81 - Original price $8.81
Original price $8.81
Current price $4.41
$4.41 - $4.41
Current price $4.41

Ahlstrom 2370-0470 Qualitative Filter Paper, Grade 237, 47 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $8.81
Original price $8.81 - Original price $8.81
Original price $8.81
Current price $4.41
$4.41 - $4.41
Current price $4.41
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Original price $13.26
Original price $13.26 - Original price $13.26
Original price $13.26
Current price $6.64
$6.64 - $6.64
Current price $6.64

Ahlstrom 2370-1100 Qualitative Filter Paper, Grade 237, 110 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $13.26
Original price $13.26 - Original price $13.26
Original price $13.26
Current price $6.64
$6.64 - $6.64
Current price $6.64
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Original price $14.59
Original price $14.59 - Original price $14.59
Original price $14.59
Current price $7.29
$7.29 - $7.29
Current price $7.29

Ahlstrom 2370-1250 Qualitative Filter Paper, Grade 237, 125 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $14.59
Original price $14.59 - Original price $14.59
Original price $14.59
Current price $7.29
$7.29 - $7.29
Current price $7.29
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Original price $46.91
Original price $46.91 - Original price $46.91
Original price $46.91
Current price $23.46
$23.46 - $23.46
Current price $23.46

Ahlstrom 2370-2400 Qualitative Filter Paper, Grade 237, 240 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $46.91
Original price $46.91 - Original price $46.91
Original price $46.91
Current price $23.46
$23.46 - $23.46
Current price $23.46
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Original price $142.58
Original price $142.58 - Original price $142.58
Original price $142.58
Current price $71.29
$71.29 - $71.29
Current price $71.29

Ahlstrom 2370-4000 Qualitative Filter Paper, Grade 237, 400 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $142.58
Original price $142.58 - Original price $142.58
Original price $142.58
Current price $71.29
$71.29 - $71.29
Current price $71.29
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Original price $114.28
Original price $114.28 - Original price $114.28
Original price $114.28
Current price $57.14
$57.14 - $57.14
Current price $57.14

Ahlstrom 2370-2700 Qualitative Filter Paper, Grade 237, 270 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $114.28
Original price $114.28 - Original price $114.28
Original price $114.28
Current price $57.14
$57.14 - $57.14
Current price $57.14
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Original price $15.69
Original price $15.69 - Original price $15.69
Original price $15.69
Current price $7.84
$7.84 - $7.84
Current price $7.84

Ahlstrom 2370-0250 Qualitative Filter Paper, Grade 237, 25 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $15.69
Original price $15.69 - Original price $15.69
Original price $15.69
Current price $7.84
$7.84 - $7.84
Current price $7.84
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Original price $8.26
Original price $8.26 - Original price $8.26
Original price $8.26
Current price $4.14
$4.14 - $4.14
Current price $4.14

Ahlstrom 2370-0425 Qualitative Filter Paper, Grade 237, 42.5 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $8.26
Original price $8.26 - Original price $8.26
Original price $8.26
Current price $4.14
$4.14 - $4.14
Current price $4.14
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Original price $8.99
Original price $8.99 - Original price $8.99
Original price $8.99
Current price $4.50
$4.50 - $4.50
Current price $4.50

Ahlstrom 2370-0550 Qualitative Filter Paper, Grade 237, 55 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $8.99
Original price $8.99 - Original price $8.99
Original price $8.99
Current price $4.50
$4.50 - $4.50
Current price $4.50
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Original price $10.58
Original price $10.58 - Original price $10.58
Original price $10.58
Current price $5.30
$5.30 - $5.30
Current price $5.30

Ahlstrom 2370-0900 Qualitative Filter Paper, Grade 237, 90 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $10.58
Original price $10.58 - Original price $10.58
Original price $10.58
Current price $5.30
$5.30 - $5.30
Current price $5.30
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Original price $9.46
Original price $9.46 - Original price $9.46
Original price $9.46
Current price $4.74
$4.74 - $4.74
Current price $4.74

Ahlstrom 2370-0700 Qualitative Filter Paper, Grade 237, 70 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $9.46
Original price $9.46 - Original price $9.46
Original price $9.46
Current price $4.74
$4.74 - $4.74
Current price $4.74
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Original price $25.64
Original price $25.64 - Original price $25.64
Original price $25.64
Current price $12.83
$12.83 - $12.83
Current price $12.83

Ahlstrom 2370-1850 Qualitative Filter Paper, Grade 237, 185 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $25.64
Original price $25.64 - Original price $25.64
Original price $25.64
Current price $12.83
$12.83 - $12.83
Current price $12.83
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Original price $22.59
Original price $22.59 - Original price $22.59
Original price $22.59
Current price $11.28
$11.28 - $11.28
Current price $11.28

Ahlstrom 2370-1500 Qualitative Filter Paper, Grade 237, 150 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $22.59
Original price $22.59 - Original price $22.59
Original price $22.59
Current price $11.28
$11.28 - $11.28
Current price $11.28
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Original price $128.36
Original price $128.36 - Original price $128.36
Original price $128.36
Current price $64.16
$64.16 - $64.16
Current price $64.16

Ahlstrom 2370-3200 Qualitative Filter Paper, Grade 237, 320 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $128.36
Original price $128.36 - Original price $128.36
Original price $128.36
Current price $64.16
$64.16 - $64.16
Current price $64.16
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Original price $187.65
Original price $187.65 - Original price $187.65
Original price $187.65
Current price $93.83
$93.83 - $93.83
Current price $93.83

Ahlstrom 2370-5000 Qualitative Filter Paper, Grade 237, 500 mm

Ahlstrom
In stock

Qualitative Filter Paper

Original price $187.65
Original price $187.65 - Original price $187.65
Original price $187.65
Current price $93.83
$93.83 - $93.83
Current price $93.83
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Original price $13.41
Original price $13.41 - Original price $13.41
Original price $13.41
Current price $6.71
$6.71 - $6.71
Current price $6.71

Ahlstrom 9090-0900 Qualitative Filter Paper Wet-Strengthened, Grade 909, 90 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $13.41
Original price $13.41 - Original price $13.41
Original price $13.41
Current price $6.71
$6.71 - $6.71
Current price $6.71
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Original price $17.07
Original price $17.07 - Original price $17.07
Original price $17.07
Current price $8.54
$8.54 - $8.54
Current price $8.54

Ahlstrom 9090-1250 Qualitative Filter Paper Wet-Strengthened, Grade 909, 125 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $17.07
Original price $17.07 - Original price $17.07
Original price $17.07
Current price $8.54
$8.54 - $8.54
Current price $8.54
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Original price $12.44
Original price $12.44 - Original price $12.44
Original price $12.44
Current price $6.24
$6.24 - $6.24
Current price $6.24

Ahlstrom 9090-0425 Qualitative Filter Paper Wet-Strengthened, Grade 909, 42.5 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $12.44
Original price $12.44 - Original price $12.44
Original price $12.44
Current price $6.24
$6.24 - $6.24
Current price $6.24
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Original price $12.44
Original price $12.44 - Original price $12.44
Original price $12.44
Current price $6.24
$6.24 - $6.24
Current price $6.24

Ahlstrom 9090-0470 Qualitative Filter Paper Wet-Strengthened, Grade 909, 47 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $12.44
Original price $12.44 - Original price $12.44
Original price $12.44
Current price $6.24
$6.24 - $6.24
Current price $6.24
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Original price $12.77
Original price $12.77 - Original price $12.77
Original price $12.77
Current price $6.38
$6.38 - $6.38
Current price $6.38

Ahlstrom 9090-0700 Qualitative Filter Paper Wet-Strengthened, Grade 909, 70 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $12.77
Original price $12.77 - Original price $12.77
Original price $12.77
Current price $6.38
$6.38 - $6.38
Current price $6.38
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Original price $14.59
Original price $14.59 - Original price $14.59
Original price $14.59
Current price $7.29
$7.29 - $7.29
Current price $7.29

Ahlstrom 9090-1100 Qualitative Filter Paper Wet-Strengthened, Grade 909, 110 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $14.59
Original price $14.59 - Original price $14.59
Original price $14.59
Current price $7.29
$7.29 - $7.29
Current price $7.29
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Original price $22.61
Original price $22.61 - Original price $22.61
Original price $22.61
Current price $11.29
$11.29 - $11.29
Current price $11.29

Ahlstrom 9090-1500 Qualitative Filter Paper Wet-Strengthened, Grade 909, 150 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $22.61
Original price $22.61 - Original price $22.61
Original price $22.61
Current price $11.29
$11.29 - $11.29
Current price $11.29
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Original price $33.85
Original price $33.85 - Original price $33.85
Original price $33.85
Current price $16.93
$16.93 - $16.93
Current price $16.93

Ahlstrom 9090-1850 Qualitative Filter Paper Wet-Strengthened, Grade 909, 185 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $33.85
Original price $33.85 - Original price $33.85
Original price $33.85
Current price $16.93
$16.93 - $16.93
Current price $16.93
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