Grade 2 qualitative filter papers, Whatman™

Dodavatel: Whatman products (Cytiva)
512-0575EA 9820 CZK
512-0575 512-1012 516-0600 516-0599 512-1011 512-1013 512-1010 512-1015 512-0462 512-0458 WHAT1002-917_L 512-0382 512-1009 512-1014 512-0574 512-0381 512-0459
Grade 2 qualitative filter papers, Whatman™
Filtry Papíry filtrační Papír kvalitativní filtrační
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

  • Each lot is guaranteed to meet the ASTM E 2187-09 specifications
  • Simplifies testing process by removing lot suitability testing
  • Just condition and use

Slightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e., slightly slower filtration speed). More absorbent than Grade 1.

In addition to general filtration in the 8 µm particle size range, the extra absorbency is utilized, for example, to hold soil nutrient in plant growth trials. Also used for monitoring specific contaminants in the atmosphere and in soil testing. Also available prepleated as Grade 2V.

Certifikace: The paper meets both the conditioned (26.1 ± 0.5 g, SD < 0.3 g) and dried (24.7 ± 0.5 g, SD < 0.3 g) weight requirements. Tested according to the procedure detailed in ASTM E 2187-09, Sections 9.3.1 and 9.3.2.

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