Ahlstrom 169 Pre-Weighed Filter Papers

Item No.:
E-D169W-0470
Size:
4.7 cm
Unit of Measure:
Pack of 100
Your Cost:
$105.57/PK
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Ahlstrom 169 Pre-Weighed Filter Papers are designed and formulated specifically to maintain a stable weight at 550°C. Filter shows similar handling characteristics before and after 30 minutes in a 600°C furnace. Equivalent to Grade 934-AH.

Standard Method 2450 for measuring solids in water calls for a glass filter disk without organic binder for some steps. It is important for this gravimetric test that the filter itself does not change weight so that the solids can be accurately measured.