Product Category Description:

Used in gravimetric analyses of numerous components in cements, clays, iron and steel products; as a primary filter in general soil analysis; for quantitative determination of sediments in milk; and as a clean-up filter for solutions prior to AA spectrophotometry.

Specifications for Whatman Grade No. 40 Quantitative Filter Paper, Ashless, Whatman 1440-185 :

Diameter, cm:		18.5
Whatman No.:		1440-185
Unit:		Pack of 100
Porosity:		Medium
Flow Rate:		Medium
Particle Retention:		8 µm

(Please note that the description and stock photo may not correspond to the specific model listed above)

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