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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 $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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Original price $42.51
Original price $42.51 - Original price $42.51
Original price $42.51
Current price $21.26
$21.26 - $21.26
Current price $21.26

Ahlstrom 9090-2050 Qualitative Filter Paper Wet-Strengthened, Grade 909, 205 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $42.51
Original price $42.51 - Original price $42.51
Original price $42.51
Current price $21.26
$21.26 - $21.26
Current price $21.26
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Original price $8.67
Original price $8.67 - Original price $8.67
Original price $8.67
Current price $4.34
$4.34 - $4.34
Current price $4.34

Ahlstrom 9370-0900 Qualitative Filter Paper Wet-Strengthened, Grade 937, 90 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $8.67
Original price $8.67 - Original price $8.67
Original price $8.67
Current price $4.34
$4.34 - $4.34
Current price $4.34
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Original price $54.70
Original price $54.70 - Original price $54.70
Original price $54.70
Current price $27.34
$27.34 - $27.34
Current price $27.34

Ahlstrom 9090-2400 Qualitative Filter Paper Wet-Strengthened, Grade 909, 240 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $54.70
Original price $54.70 - Original price $54.70
Original price $54.70
Current price $27.34
$27.34 - $27.34
Current price $27.34
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Original price $72.16
Original price $72.16 - Original price $72.16
Original price $72.16
Current price $36.10
$36.10 - $36.10
Current price $36.10

Ahlstrom 9090-2700 Qualitative Filter Paper Wet-Strengthened, Grade 909, 270 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $72.16
Original price $72.16 - Original price $72.16
Original price $72.16
Current price $36.10
$36.10 - $36.10
Current price $36.10
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Original price $95.65
Original price $95.65 - Original price $95.65
Original price $95.65
Current price $47.80
$47.80 - $47.80
Current price $47.80

Ahlstrom 9090-3200 Qualitative Filter Paper Wet-Strengthened, Grade 909, 320 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $95.65
Original price $95.65 - Original price $95.65
Original price $95.65
Current price $47.80
$47.80 - $47.80
Current price $47.80
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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 9500-0470 Qualitative Filter Paper Wet-Strengthened, Grade 950, 47 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 $136.65
Original price $136.65 - Original price $136.65
Original price $136.65
Current price $68.34
$68.34 - $68.34
Current price $68.34

Ahlstrom 9090-3850 Qualitative Filter Paper Wet-Strengthened, Grade 909, 385 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $136.65
Original price $136.65 - Original price $136.65
Original price $136.65
Current price $68.34
$68.34 - $68.34
Current price $68.34
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Original price $145.54
Original price $145.54 - Original price $145.54
Original price $145.54
Current price $72.78
$72.78 - $72.78
Current price $72.78

Ahlstrom 9090-4000 Qualitative Filter Paper Wet-Strengthened, Grade 909, 400 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $145.54
Original price $145.54 - Original price $145.54
Original price $145.54
Current price $72.78
$72.78 - $72.78
Current price $72.78
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Original price $206.87
Original price $206.87 - Original price $206.87
Original price $206.87
Current price $103.43
$103.43 - $103.43
Current price $103.43

Ahlstrom 9090-4500 Qualitative Filter Paper Wet-Strengthened, Grade 909, 450 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $206.87
Original price $206.87 - Original price $206.87
Original price $206.87
Current price $103.43
$103.43 - $103.43
Current price $103.43
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Original price $237.73
Original price $237.73 - Original price $237.73
Original price $237.73
Current price $118.86
$118.86 - $118.86
Current price $118.86

Ahlstrom 9090-5000 Qualitative Filter Paper Wet-Strengthened, Grade 909, 500 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $237.73
Original price $237.73 - Original price $237.73
Original price $237.73
Current price $118.86
$118.86 - $118.86
Current price $118.86
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Original price $15.03
Original price $15.03 - Original price $15.03
Original price $15.03
Current price $7.53
$7.53 - $7.53
Current price $7.53

Ahlstrom 9500-1100 Qualitative Filter Paper Wet-Strengthened, Grade 950, 110 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $15.03
Original price $15.03 - Original price $15.03
Original price $15.03
Current price $7.53
$7.53 - $7.53
Current price $7.53
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Original price $34.66
Original price $34.66 - Original price $34.66
Original price $34.66
Current price $17.34
$17.34 - $17.34
Current price $17.34

Ahlstrom 9500-1850 Qualitative Filter Paper Wet-Strengthened, Grade 950, 185 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $34.66
Original price $34.66 - Original price $34.66
Original price $34.66
Current price $17.34
$17.34 - $17.34
Current price $17.34
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Original price $8.05
Original price $8.05 - Original price $8.05
Original price $8.05
Current price $4.01
$4.01 - $4.01
Current price $4.01

Ahlstrom 9370-0550 Qualitative Filter Paper Wet-Strengthened, Grade 937, 55 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $8.05
Original price $8.05 - Original price $8.05
Original price $8.05
Current price $4.01
$4.01 - $4.01
Current price $4.01
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Original price $54.76
Original price $54.76 - Original price $54.76
Original price $54.76
Current price $27.39
$27.39 - $27.39
Current price $27.39

Ahlstrom 9500-2400 Qualitative Filter Paper Wet-Strengthened, Grade 950, 240 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $54.76
Original price $54.76 - Original price $54.76
Original price $54.76
Current price $27.39
$27.39 - $27.39
Current price $27.39
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Original price $11.03
Original price $11.03 - Original price $11.03
Original price $11.03
Current price $5.51
$5.51 - $5.51
Current price $5.51

Ahlstrom 9370-1100 Qualitative Filter Paper Wet-Strengthened, Grade 937, 110 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $11.03
Original price $11.03 - Original price $11.03
Original price $11.03
Current price $5.51
$5.51 - $5.51
Current price $5.51
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Original price $98.92
Original price $98.92 - Original price $98.92
Original price $98.92
Current price $49.48
$49.48 - $49.48
Current price $49.48

Ahlstrom 9500-3200 Qualitative Filter Paper Wet-Strengthened, Grade 950, 320 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $98.92
Original price $98.92 - Original price $98.92
Original price $98.92
Current price $49.48
$49.48 - $49.48
Current price $49.48
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Original price $11.84
Original price $11.84 - Original price $11.84
Original price $11.84
Current price $5.93
$5.93 - $5.93
Current price $5.93

Ahlstrom 9370-1250 Qualitative Filter Paper Wet-Strengthened, Grade 937, 125 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $11.84
Original price $11.84 - Original price $11.84
Original price $11.84
Current price $5.93
$5.93 - $5.93
Current price $5.93
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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 9500-0425 Qualitative Filter Paper Wet-Strengthened, Grade 950, 42.5 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 $143.95
Original price $143.95 - Original price $143.95
Original price $143.95
Current price $71.98
$71.98 - $71.98
Current price $71.98

Ahlstrom 9500-3850 Qualitative Filter Paper Wet-Strengthened, Grade 950, 385 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $143.95
Original price $143.95 - Original price $143.95
Original price $143.95
Current price $71.98
$71.98 - $71.98
Current price $71.98
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Original price $265.98
Original price $265.98 - Original price $265.98
Original price $265.98
Current price $133.00
$133.00 - $133.00
Current price $133.00

Ahlstrom 9500-5000 Qualitative Filter Paper Wet-Strengthened, Grade 950, 500 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $265.98
Original price $265.98 - Original price $265.98
Original price $265.98
Current price $133.00
$133.00 - $133.00
Current price $133.00
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Original price $13.11
Original price $13.11 - Original price $13.11
Original price $13.11
Current price $6.55
$6.55 - $6.55
Current price $6.55

Ahlstrom 9500-0550 Qualitative Filter Paper Wet-Strengthened, Grade 950, 55 mm

Ahlstrom
In stock

Qualitative Filter Paper Wet-Strengthened

Original price $13.11
Original price $13.11 - Original price $13.11
Original price $13.11
Current price $6.55
$6.55 - $6.55
Current price $6.55
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