Whatman™ Qualitative Filter Paper: Grads

Code: F11302805
Loading...


Description 

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

Sign up for our newsletter

We only use your email address to add you to our mailing list for receiving our newsletters(monthly). This information is only kept in our mailing list and not for any other purposes than for contacting you with our newsletters.

Ut augue libero, pellentesque id consequat nec, finibus non tortor.