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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.

$16.73 - $268.56

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™
WHT1001032
32mm Pack of 100 Each for $16.75

09-805-1B

  Accessories
whatman™
WHT10010155
15mm Pack of 500 Each for $74.31

09-805-1D

  Accessories
whatman™
WHT1001400
400mm Pack of 100 Each for $268.56

09-805-1A

  Accessories
whatman™
WHT10016508
10mm Pack of 500 Each for $74.31

09-805-1C

  Accessories
whatman™
WHT1001385
385mm Pack of 100 Each for $268.56

09-805-1G

  Accessories
whatman™
WHT1001325
25mm Pack of 100 Each for $16.73

09-805A

  Accessories
whatman™
WHT1001042
425mm Pack of 100 Each for $16.75

09-805D

  Accessories
whatman™
WHT1001090
90mm Pack of 100 Each for $22.92

09-805E

  Accessories
whatman™
WHT1001110
110mm Pack of 100 Each for $28.65

09-805C

  Accessories
whatman™
WHT1001070
70mm Pack of 100 Each for $19.08

09-805F

  Accessories
whatman™
WHT1001125
125mm Pack of 100 Each for $28.71

09-805B

  Accessories
whatman™
WHT1001055
55mm Pack of 100 Each for $19.06

09-805J

  Accessories
whatman™
WHT1001240
240mm Pack of 100 Each for $95.83

09-805H

  Accessories
whatman™
WHT1001185
185mm Pack of 100 Each for $60.17

09-805G

  Accessories
whatman™
WHT1001-150
150mm Pack of 100 Each for $43.00

09-805K

  Accessories
whatman™
WHT1001270
270mm Pack of 100 Each for $117.44

09-805L

  Accessories
whatman™
WHT1001320
320mm Pack of 100 Each for $162.94

09-805P

  Accessories
whatman™
WHT1001329
30mm Pack of 100 Each for $16.75

09-927-155

 
whatman™
WHT1001020
20mm Pack of 400 Each for $76.54
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