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Whatman Grade 93 Qualitative Filter Papers, GE Healthcare

Supplier: GE Healthcare - Whatman
1093-110 1093-111 1093-935 1093-6215 1093-125 1093-126 1093-930 1093-6212
These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin

Other grades and sizes are available, please check www.vwr.com.

This filter paper is intermediate in speed and retention between Grades 1 and 4. Available in a dispenser pack, which can be attached to the wall or bench, placed on a shelf either upright or flat, and used as a normal carton or as a convenient dispenser. The envelopes are released individually for easy one-at-a-time removal. Package and envelopes are clearly marked for size and content.

Note: This data shown may be based on historic Whatman records. As is normal practice, customers should determine and validate for themselves (as necessary) that the products are suitable for their specific application.

Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc. Some wet strengthened grades are available in folded (prepleated) forms. Cellulose material 98% (alpha cellulose content min.).




 

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Description Grade Dimensions Supplier No. VWR Catalog Number Unit Price Quantity
Grade 93 Qualitative Filter Paper Wet-Strengthened, circle, 110 mm 93 110 mm 1093-110 10035-714 Pack of 100 Retrieving
Grade 93 Qualitative Filter Paper Wet-Strengthened, circle, 110 mm (50 envelopes of 25 circles) 93 110 mm 1093-111 28449-026 Pack of 1,250 Retrieving
Grade 93 Qualitative Filter Paper Wet-Strengthened, circle, 125 mm 93 125 mm 1093-125 10035-242 Pack of 100 Retrieving
Grade 93 Qualitative Filter Paper Wet-Strengthened, circle, 125 mm (50 envelopes of 25 circles) 93 125 mm 1093-126 28449-048 Pack of 1,250 Retrieving
Grade 93 Qualitative Filter Paper Wet-Strengthened, circle, 150 mm (10 bags of 100 circles) 93 150 mm 1093-6215 10035-246 Pack of 100 Retrieving
Grade 93 Qualitative Filter Paper Wet-Strengthened, sheets, 58 x 58 mm 93 58 x 58 cm 1093-930 10035-248 Pack of 500 Retrieving
Grade 93 Qualitative Filter Paper Wet-Strengthened, sheets, 61 x 61 mm 93 61 x 61 cm 1093-935 10035-250 Pack of 500 Retrieving
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SPECIFICATIONS

Thickness 145 µm (typical)
Particle Retention 10 µm (Particle retention rating at 98% efficiency), in liquid max.
Filtration Speed Approx. 80 s (Herzberg)
Flow Rate Medium
Airflow Rate 7 s/100 ml/in²
Tensile Strength 38 N/15 mm Tensile M/D Dry
Basis Weight 67 g/m²
Burst Strength 0.179 bar wet burst; 0.827 bar dry burst
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