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Quantitative Filters

Quantitative filter paper is specifically engineered for precise analytical techniques that require exact measurement of particulate matter. These filters are typically made from refined cellulose and designed to have consistent weight and uniform pore sizes to ensure high precision in gravimetric analysis tasks. They are used extensively in environments like laboratories where accuracy in quantitative analysis is crucial for testing substances such as air, water, and chemical compounds.

Quantitative filters differ from qualitative filters by being ashless. This means they can be incinerated after use without leaving a significant ash residue, which is essential for accurate mass measurements in residue analysis. Their high purity also prevents any sample contamination that could skew results. Common applications include environmental monitoring, quality control processes, and clinical experiments. The reliability and consistency of quantitative filter paper make it an indispensable tool in any scientific setting that demands rigorous standards and precise data collection.
Grade 1 Save 10% Save %
$255.00
$255.00 - $255.00
$255.00
$229.84
$229.84 - $229.84
$229.84

Whatman 989710112 Quantitative Filter Papers, Hardened Ashless, Grade 1, 125mm 1000/pk

Whatman
In stock

GR1 125MM PYRAMID 1000PK

$255.00
$255.00 - $255.00
$255.00
$229.84
$229.84 - $229.84
$229.84
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Grade 6 Save 10% Save %
$261.00
$261.00 - $261.00
$261.00
$235.25
$235.25 - $235.25
$235.25

Whatman 9891-128 Grade 6 Pyramid filter paper, 125 mm, 1000/pk

Whatman
In stock

Grade 6 Qualitative Folded Filter Paper Standard Grade, pyramid, 125 mm, 1000/pk

$261.00
$261.00 - $261.00
$261.00
$235.25
$235.25 - $235.25
$235.25
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$32.22
$32.22 - $32.22
$32.22
$29.04
$29.04 - $29.04
$29.04

Whatman 1441-050 GR 41 5CM 100/PK (PN:1441-050)

Whatman
In stock

GR 41 5CM 100/PKQuantitative Filter Papers - Ashless Grade 41 circles, 50 mm, 100/pk The fastest ashless filter paper, recommended for analytical p...

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$32.22
$32.22 - $32.22
$32.22
$29.04
$29.04 - $29.04
$29.04
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$32.22
$32.22 - $32.22
$32.22
$29.04
$29.04 - $29.04
$29.04

Whatman 1540-321 GR 540 2.1CM 100/PK (PN:1540-321)

Whatman
In stock

GR 540 2.1CM 100/PKQuantitative Filter Papers - Hardened Ashless Grade 540 Circles, 21 mm 100/pk The general purpose hardened ashless filter paper ...

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$32.22
$32.22 - $32.22
$32.22
$29.04
$29.04 - $29.04
$29.04
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Save 48% Save %
$211.85
$211.85 - $211.85
$211.85
$111.21
$111.21 - $111.21
$111.21

Ahlstrom 0260-1100 Quantitative - Glass Microfiber Filter Paper (TCLP), Grade 26, 110 mm

Ahlstrom
In stock

Quantitative - Glass Microfiber Filter Paper (TCLP)

$211.85
$211.85 - $211.85
$211.85
$111.21
$111.21 - $111.21
$111.21
Save 48% Save %
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$31.29
$31.29 - $31.29
$31.29
$15.64
$15.64 - $15.64
$15.64

Ahlstrom 0540-0470 Quantitative Filter Paper, Grade 54, 47 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$31.29
$31.29 - $31.29
$31.29
$15.64
$15.64 - $15.64
$15.64
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$31.90
$31.90 - $31.90
$31.90
$15.93
$15.93 - $15.93
$15.93

Ahlstrom 0540-0550 Quantitative Filter Paper, Grade 54, 55 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$31.90
$31.90 - $31.90
$31.90
$15.93
$15.93 - $15.93
$15.93
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$83.83
$83.83 - $83.83
$83.83
$41.91
$41.91 - $41.91
$41.91

Ahlstrom 0540-1500 Quantitative Filter Paper, Grade 54, 150 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$83.83
$83.83 - $83.83
$83.83
$41.91
$41.91 - $41.91
$41.91
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$112.95
$112.95 - $112.95
$112.95
$56.46
$56.46 - $56.46
$56.46

Ahlstrom 0540-1850 Quantitative Filter Paper, Grade 54, 185 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$112.95
$112.95 - $112.95
$112.95
$56.46
$56.46 - $56.46
$56.46
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Save 48% Save %
$178.76
$178.76 - $178.76
$178.76
$93.84
$93.84 - $93.84
$93.84

Ahlstrom 0260-0470 Quantitative - Glass Microfiber Filter Paper (TCLP), Grade 26, 47 mm

Ahlstrom
In stock

Quantitative - Glass Microfiber Filter Paper (TCLP)

$178.76
$178.76 - $178.76
$178.76
$93.84
$93.84 - $93.84
$93.84
Save 48% Save %
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$183.95
$183.95 - $183.95
$183.95
$91.96
$91.96 - $91.96
$91.96

Ahlstrom 0260-0900 Quantitative - Glass Microfiber Filter Paper (TCLP), Grade 26, 90 mm, 50/pk

Ahlstrom
In stock

Quantitative - Glass Microfiber Filter Paper (TCLP)

$183.95
$183.95 - $183.95
$183.95
$91.96
$91.96 - $91.96
$91.96
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$37.66
$37.66 - $37.66
$37.66
$18.84
$18.84 - $18.84
$18.84

Ahlstrom 0550-0470 Hardened Quantitative Filter Paper, Grade 55, 47 mm, 100/pk

Ahlstrom
In stock

Hardened Quantitative Filter Paper

$37.66
$37.66 - $37.66
$37.66
$18.84
$18.84 - $18.84
$18.84
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Save 50% Save %
$38.58
$38.58 - $38.58
$38.58
$19.30
$19.30 - $19.30
$19.30

Ahlstrom 0550-0550 Hardened Quantitative Filter Paper, Grade 55, 55 mm, 100/pk

Ahlstrom
In stock

Hardened Quantitative Filter Paper

$38.58
$38.58 - $38.58
$38.58
$19.30
$19.30 - $19.30
$19.30
Save 50% Save %
Save 47% Save %
$296.60
$296.60 - $296.60
$296.60
$155.72
$155.72 - $155.72
$155.72

Ahlstrom 0260-1250 Quantitative - Glass Microfiber Filter Paper (TCLP), Grade 26, 125 mm

Ahlstrom
In stock

Quantitative - Glass Microfiber Filter Paper (TCLP)

$296.60
$296.60 - $296.60
$296.60
$155.72
$155.72 - $155.72
$155.72
Save 47% Save %
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$438.03
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$438.03
$219.03
$219.03 - $219.03
$219.03

Ahlstrom 0260-1420 Quantitative - Glass Microfiber Filter Paper (TCLP), Grade 26, 142 mm, 50/pk

Ahlstrom
In stock

Quantitative - Glass Microfiber Filter Paper (TCLP)

$438.03
$438.03 - $438.03
$438.03
$219.03
$219.03 - $219.03
$219.03
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$474.67
$474.67 - $474.67
$474.67
$237.33
$237.33 - $237.33
$237.33

Ahlstrom 0260-1500 Quantitative - Glass Microfiber Filter Paper (TCLP), Grade 26, 150 mm, 50/pk

Ahlstrom
In stock

Quantitative - Glass Microfiber Filter Paper (TCLP)

$474.67
$474.67 - $474.67
$474.67
$237.33
$237.33 - $237.33
$237.33
Save 50% Save %
Save 50% Save %
$63.82
$63.82 - $63.82
$63.82
$31.93
$31.93 - $31.93
$31.93

Ahlstrom 0550-1100 Hardened Quantitative Filter Paper, Grade 55, 110 mm, 100/pk

Ahlstrom
In stock

Hardened Quantitative Filter Paper

$63.82
$63.82 - $63.82
$63.82
$31.93
$31.93 - $31.93
$31.93
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Save 50% Save %
$55.83
$55.83 - $55.83
$55.83
$27.93
$27.93 - $27.93
$27.93

Ahlstrom 0550-0900 Hardened Quantitative Filter Paper, Grade 55, 90 mm, 100/pk

Ahlstrom
In stock

Hardened Quantitative Filter Paper

$55.83
$55.83 - $55.83
$55.83
$27.93
$27.93 - $27.93
$27.93
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Save 50% Save %
$30.77
$30.77 - $30.77
$30.77
$15.38
$15.38 - $15.38
$15.38

Ahlstrom 0540-0425 Quantitative Filter Paper, Grade 54, 42.5 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$30.77
$30.77 - $30.77
$30.77
$15.38
$15.38 - $15.38
$15.38
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Save 50% Save %
$35.42
$35.42 - $35.42
$35.42
$17.71
$17.71 - $17.71
$17.71

Ahlstrom 0540-0700 Quantitative Filter Paper, Grade 54, 70 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$35.42
$35.42 - $35.42
$35.42
$17.71
$17.71 - $17.71
$17.71
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$214.60
$214.60 - $214.60
$214.60
$107.31
$107.31 - $107.31
$107.31

Ahlstrom 0550-2400 Hardened Quantitative Filter Paper, Grade 55, 240 mm, 100/pk

Ahlstrom
In stock

Hardened Quantitative Filter Paper

$214.60
$214.60 - $214.60
$214.60
$107.31
$107.31 - $107.31
$107.31
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Save 50% Save %
$48.69
$48.69 - $48.69
$48.69
$24.34
$24.34 - $24.34
$24.34

Ahlstrom 0540-0900 Quantitative Filter Paper, Grade 54, 90 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$48.69
$48.69 - $48.69
$48.69
$24.34
$24.34 - $24.34
$24.34
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Save 50% Save %
$59.14
$59.14 - $59.14
$59.14
$29.58
$29.58 - $29.58
$29.58

Ahlstrom 0540-1100 Quantitative Filter Paper, Grade 54, 110 mm, 100/pk

Ahlstrom
In stock

Quantitative Filter Paper

$59.14
$59.14 - $59.14
$59.14
$29.58
$29.58 - $29.58
$29.58
Save 50% Save %
Save 50% Save %
$383.16
$383.16 - $383.16
$383.16
$191.59
$191.59 - $191.59
$191.59

Ahlstrom 0550-3200 Hardened Quantitative Filter Paper, Grade 55, 320 mm, 100/pk

Ahlstrom
In stock

Hardened Quantitative Filter Paper

$383.16
$383.16 - $383.16
$383.16
$191.59
$191.59 - $191.59
$191.59
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