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Whatman Grade 1 Qualitative Filter Paper, GE Healthcare

Supplier: GE HEALTHCARE (WHATMAN)

These cellulose filters (98% alpha cellulose content min.) are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

The most widely used filter paper for routine applications with medium retention and flow rate. Extended range of sizes includes 10 to 500 mm diameter circles and 460 x 570 mm sheets.

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.


 

ORDER

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Description Dimensions Supplier No. Catalog Number Unit List Price Quantity
Grade 1 Qualitative Filter Paper Standard Grade, circle, 110 mm 110 mm 1001-110 1001-110 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 125 mm 125 mm 1001-125 1001-125 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 150 mm 150 mm 1001-150 F-2770-150 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 185 mm 185 mm 1001-185 1001-185 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 320 mm 320 mm 1001-320 F-2770-320 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 42.5 mm 42.5 mm 1001-042 F-2770-42 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 55 mm 55 mm 1001-055 F-2770-55 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 70 mm 70 mm 1001-070 1001-070 Pack of 100 Retrieving
Grade 1 Qualitative Filter Paper Standard Grade, circle, 90 mm 90 mm 1001-090 F-2770-90 Pack of 100 Retrieving

SPECIFICATIONS

Airflow Rate 10.5 s/100 ml/in²
Application Used filter paper for routine applications with medium retention and flow rate.
Covers a wide range of laboratory applications and is frequently used for clarifying liquids.
Ash Content 0.06%
Basis Weight 88 g/m²
Burst Strength 0.020 bar Wet Burst; 1.103 bar Dry Burst
Filtration speed Approx. 150 s (Herzberg)
Flow rate Medium flow
Grade Grade 1
Particle retention 11 µm (Particle retention rating at 98% efficiency), in liquid max.
Tensile Strength 39.1 N/15 mm Tensile M/D Dry
Thickness 180 µm (Typical)
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