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Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

$18.50 - $287.00

Specifications

Airflow Rate 13sec./100mL/sq. in.
Basis Weight 87 g/m2
Format Disc
Material Cellulose
Particle Retention >11 μm
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Products 23
Catalog Number Mfr. No. Diameter (Metric) Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Diameter (Metric) Quantity Price Quantity & Availability  
09-805-1B
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Cytiva
10010155
15 mm 500/Pk.
Pack of 500 for $75.00
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09-927-155
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Cytiva
1001020
20 mm 400/Pk.
Pack of 400 for $79.00
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09-927-223
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Cytiva
1001025
25 mm 400/Pk.
Pack of 400 for $68.50
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09-927-834
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Cytiva
1001030
30 mm 400/Pk.
Pack of 400 for $68.50
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09-805
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Cytiva
1001032
32 mm 100/Pk.
Pack of 100 for $18.50
Edge
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09-805A
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Cytiva
1001042
42.5 mm 100/Pk.
Pack of 100 for $19.00
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09-805-342
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Cytiva
1001047
47 mm 100/Pk.
Pack of 100 for $18.50
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09-805B
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Cytiva
1001055
55 mm 100/Pk.
Pack of 100 for $20.50
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09-805C
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Cytiva
1001070
70 mm 100/Pk.
Pack of 100 for $20.50
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09-805-345
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Cytiva
1001085
85 mm 100/Pk.
Pack of 100 for $21.75
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09-805D
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Cytiva
1001090
90 mm 100/Pk.
Pack of 100 for $24.75
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09-805E
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Cytiva
1001110
110 mm 100/Pk.
Pack of 100 for $30.00
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09-805F
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Cytiva
1001125
125 mm 100/Pk.
Pack of 100 for $30.00
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09-805G
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Cytiva
1001150
150 mm 100/Pk.
Pack of 100 for $44.00
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09-805H
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Cytiva
1001185
185 mm 100/Pk.
Pack of 100 for $61.25
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09-805J
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Cytiva
1001240
240 mm 100/Pk.
Pack of 100 for $97.00
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09-805K
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Cytiva
1001270
270 mm 100/Pk.
Pack of 100 for $120.00
Edge
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09-805L
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Cytiva
1001320
320 mm 100/Pk.
Pack of 100 for $166.00
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09-805-1G
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Cytiva
1001325
25 mm 100/Pk.
Pack of 100 for $19.00
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09-805P
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Cytiva
1001329
30 mm 100/Pk.
Pack of 100 for $18.50
Edge
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09-805-1C
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Cytiva
1001385
385 mm 100/Pk.
Pack of 100 for $287.00
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09-805-1D
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Cytiva
1001400
400 mm 100/Pk.
Pack of 100 for $271.00
Edge
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09-805-1A
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Cytiva
10016508
10 mm 500/Pk.
Pack of 500 for $75.00
Add to Cart
 
Description

Description

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

 

These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
  • Particle Retention: >11μm
  • Porosity: medium
  • Filtration speed: ASTM™, 40 sec.; Herzberg, 150 sec.
  • Surface: smooth
  • Separates precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate
  • Used for soil analysis and seed testing procedures in the agricultural industry
  • Used to separate solid foodstuffs from associated liquid or extract liquid in the food industry
  • Atmospheric dust is collected from airflow and the stain-intensity measured 
  • Impregnated with a chromogenic reagent and color formation quantified by optical reflectance for gas detection

 


Specifications

Specifications

13sec./100mL/sq. in.
Disc
>11 μm
57mL/min. (water)
Grade 1
180 μm
87 g/m2
Cellulose
150 sec.
A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids.
Medium
SDS
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