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WHA1002110

Whatman® qualitative filter paper, Grade 2

circles, diam. 110 mm, pack of 100

Synonym(s):

Whatman filter, Whatman paper, Z240222, paper fitler

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About This Item

UNSPSC Code:
41104900
NACRES:
NB.24

material

cellulose filters
circles

packaging

pack of 100

manufacturer/tradename

Whatman 1002-110
Whatman Article No. 28413959 (US reference)

parameter

0.29 psi wet burst
240 sec/100 mL speed (Herzberg)

diam.

110 mm

thickness

190 μm

ash

≤0.06%

pore size

8 μm (Particle retention)

basis weight

97 g/m2

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General description

This certified Grade 2 is tested according to the procedure detailed in ASTM E 2187-09, Sections 9.3.1 and 9.3.2. 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.

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.

Grade 2: 8 µm

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.

Features and Benefits

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

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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