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Ahlstrom Grade 615 Qualitative Filter Paper - 100 Circles Supply Original price was: $25.70.Current price is: $20.56.
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Ahlstrom Grade 617 Qualitative Filter Paper – 50 Circles Hot on Sale

Original price was: $31.07.Current price is: $18.64.

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SKU: US-7762691817731 Categories: ,
Description

Description

Ahlstrom Grade 617 Qualitative Filter Paper – 50 Circles

Ahlstrom Grade 617 Qualitative Filter Paper – 50 Circles 

Ahlstrom 617 is an extremely fast filtering grade and has a larger particle retention than Grade 631. Grade 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. Grade 617 is also found in construction product testing and is used by students to retain large flocculants and precipitates.

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’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.
  • Grade:  617
  • Retention in µm: 35 µm
  • Filtration Speed punch Herzberg sec/100mls: 19 s/100 mL
  • Filtration Speed Rapidity mls/min:  360 mL/min
  • Loading Capacity: Very High
Additional information

Additional information

Diameter

185mm, 185mm (Wholesale), 270mm, 270mm (Wholesale)
Shipping & Delivery

We accept returns on non-sale items that are in original packaging, unused, and unwashed within 30 days of receipt. Please follow our returns/exchanges process below. If items do not meet our requirements for return, they will be shipped back to you in lieu of a refund. Shipping and handling charges are non-refundable (exceptions may apply).

Returns & Exchanges Process: If item(s) fit within our returns guidelines found in the Returns. Please allow 7-10 business days for the credit to appear on your account after your return is processed.