missing translation for 'onlineSavingsMsg'
Learn More
  1. Home
  2. Products
  3. Filters and Filtration
  4. Filter Paper
  5. Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles

Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles

Catalog No. p-2428689
Change view
Click to view available options
Diameter (Metric):
10 mm
15 mm
20 mm
25 mm
30 mm
32 mm
42.5 mm
47 mm
55 mm
70 mm
85 mm
90 mm
110 mm
125 mm
150 mm
185 mm
240 mm
270 mm
320 mm
385 mm
400 mm
Quantity:
100/Pk.
400/Pk.
500/Pk.
23 product options available for selection
Product selection table with 23 available options. Use arrow keys to navigate and Enter or Space to select.
Catalog No. Diameter (Metric) Quantity
098051B 15 mm 500/Pk.
09927155 20 mm 400/Pk.
09927223 25 mm 400/Pk.
09927834 30 mm 400/Pk.
09805 32 mm 100/Pk.
09805A 42.5 mm 100/Pk.
09805342 47 mm 100/Pk.
09805B 55 mm 100/Pk.
09805C 70 mm 100/Pk.
09805345 85 mm 100/Pk.
09805D 90 mm 100/Pk.
09805E 110 mm 100/Pk.
09805F 125 mm 100/Pk.
09805G 150 mm 100/Pk.
09805H 185 mm 100/Pk.
09805J 240 mm 100/Pk.
09805K 270 mm 100/Pk.
09805L 320 mm 100/Pk.
098051G 25 mm 100/Pk.
09805P 30 mm 100/Pk.
098051C 385 mm 100/Pk.
098051D 400 mm 100/Pk.
098051A 10 mm 500/Pk.
Use arrow keys to navigate between rows. Press Enter or Space to select a product option. 23 options available.
23 options
Catalog No. 098051B Supplier Cytiva Supplier No. 10010155
Only null left

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

Airflow Rate 13sec./100mL/sq. in.
Basis Weight 87 g/m2
Description Grade 1 Qualitative Filter Paper Standard Grade, circle, 15 mm
Format Disc
Material Cellulose
Particle Retention >11 μm
Filtration Speed 150 sec.
Flow Rate 57mL/min. (water)
For Use With (Application) 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.
Grade Grade 1
Porosity Medium
Quantity 500/Pk.
Thickness (Metric) 180 μm
Type Qualitative Filter Paper
Diameter (English) 0.59 in.
Diameter (Metric) 15 mm
Show More Show Less