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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.

$16.33 - $262.33

Specifications

Format Circle
Grade 1
Material Cellulose
Porosity Medium
For Use With (Application) For clarifying liquids. Used in qualitative analytical separations of precipitates such as lead sulphate; air pollution monitoring, gas detection, soil analysis
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Products
Catalog Number Mfr. No. Diameter (Metric) Price Quantity    

09-805

 
whatman™
1001-032
32mm Pack of 100 Each for $16.35

09-805-1B

  Accessories
whatman™
1001-0155
15mm Pack of 500 Each for $72.58

09-805-1D

  Accessories
whatman™
1001-400
400mm Pack of 100 Each for $262.33

09-805-1A

  Accessories
whatman™
1001-6508
10mm Pack of 500 Each for $72.58

09-805-1C

  Accessories
whatman™
1001-385
385mm Pack of 100 Each for $262.33

09-805-1G

  Accessories
whatman™
1001-325
25mm Pack of 100 Each for $16.33

09-805A

  Accessories
whatman™
1001-042
425mm Pack of 100 Each for $16.35

09-805D

  Accessories
whatman™
1001-090
90mm Pack of 100 Each for $22.38

09-805E

  Accessories
whatman™
1001-110
110mm Pack of 100 Each for $27.98

09-805C

  Accessories
whatman™
1001-070
70mm Pack of 100 Each for $18.65

09-805F

  Accessories
whatman™
1001-125
125mm Pack of 100 Each for $28.02

09-805B

  Accessories
whatman™
1001-055
55mm Pack of 100 Each for $18.63

09-805J

  Accessories
whatman™
1001-240
240mm Pack of 100 Each for $93.58

09-805H

  Accessories
whatman™
1001-185
185mm Pack of 100 Each for $58.77

09-805G

  Accessories
whatman™
1001-150
150mm Pack of 100 Each for $41.98

09-805K

  Accessories
whatman™
1001-270
270mm Pack of 100 Each for $114.71

09-805L

  Accessories
whatman™
1001-320
320mm Pack of 100 Each for $159.15

09-805P

  Accessories
whatman™
1001-329
30mm Pack of 100 Each for $16.35

09-927-155

 
whatman™
1001-020
20mm Pack of 400 Each for $74.77

36-101-2469

 
whatman™
1001-047
47mm Pack of 100 Each for $17.98
Description & Specifications

Specifications

Format Circle
Grade 1
Material Cellulose
Porosity Medium
For Use With (Application) For clarifying liquids. Used in qualitative analytical separations of precipitates such as lead sulphate; air pollution monitoring, gas detection, soil analysis
Particle Retention >11μm
Thickness (Metric) 180μm

 

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