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Ahlstrom-Munksjo

Qualitative Filter Papers, Ahlstrom 617

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Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance.

Ahlstrom offers a complete range of low ash filter papers for general laboratory work that provides you with the correct combination of particle retention, filtration speed, loading capacity and wet-strength. All our qualitative grades consist of > 95% super refined a-cellulose and linter fibers.

  • Qualitative analysis
  • Low ash content 0.06%
  • Untreated
  • Consistent performance
  • Wet-strengthened grades available
  • Custom cut
  • Bulk packaging

Standard Grades (Non Wet-Strengthened)

Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications. These grades contain a high level of alpha-cellulose that provides high purity but will weaken when wet. The inherent strength of standard (untreated) grades does not pose a problem when they are used in routine quadrant folded applications. We do not recommend these grades for use in vacuum work or when wet handling is required.

Ahlstrom 617: 35µm – Fast Speed

This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631. Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration of coarse particles and gelatinous precipitates such as in oils and resin solutions. Ahlstrom 617 is also found in construction product testing and is used by students to retain large flocculents and precipitates.

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Product Detail
Thomas No.
0374C12
Mfr. No.
6170-0425
Description
4.25cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C14
Mfr. No.
6170-0700
Description
7cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C15
Mfr. No.
6170-1100
Description
Filter Paper #617 11cm
Ready to Ship
list price/quantitytotal
$0.00
Thomas No.
0374C16
Mfr. No.
6170-2050
Description
20.5cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C17
Mfr. No.
6170-2400
Description
24cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374D80
Mfr. No.
6170-2700
Description
27cm Filter Circle 6 50
list price/quantitytotal
$0.00
Thomas No.
0374C18
Mfr. No.
6170-3200
Description
32cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C19
Mfr. No.
6170-3300
Description
Filter Paper #617 33cm
list price/quantitytotal
$0.00
Thomas No.
0374C20
Mfr. No.
6170-3850
Description
38.5cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C21
Mfr. No.
6170-4000
Description
40cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C22
Mfr. No.
6170-4500
Description
45cm Qualitative Circle
list price/quantitytotal
$0.00
Thomas No.
0374C23
Mfr. No.
6170-5000
Description
Filter Paper #617 50cm
list price/quantitytotal
$0.00
Thomas No.
0374C13
Mfr. No.
6170-0550
Description
Qualitative Filter Paper Circle, 5.5cm
list price/quantitytotal
$0.00
Thomas No.
1197L90
Mfr. No.
6170-0750
Description
Qualitative Filter Paper Circle, 7.5cm
list price/quantitytotal
$0.00
Thomas No.
1197L91
Mfr. No.
6170-0900
Description
Qualitative Filter Paper Circle, 9cm
list price/quantitytotal
$0.00
Thomas No.
1197L92
Mfr. No.
6170-1000
Description
Qualitative Filter Paper Circle, 10cm
list price/quantitytotal
$0.00
Thomas No.
1197L93
Mfr. No.
6170-1250
Description
Qualitative Filter Paper Circle, 12.5cm
list price/quantitytotal
$0.00
Thomas No.
4738J35
Mfr. No.
6170-1500
Description
Qualitative Filter Paper Circle, 15cm
list price/quantitytotal
$0.00
Thomas No.
4738J40
Mfr. No.
6170-1850
Description
Qualitative Filter Paper Circle, 18.5cm
list price/quantitytotal
$0.00
Thomas No.
1197L94
Mfr. No.
6170-2500
Description
Qualitative Filter Paper Circle, 25cm
list price/quantitytotal
$0.00
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