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CR Scientific

Filter Papers


FP2027
7 cm QUANT. (Ashless), Medium filtration speed / Medium porosity.
Whatman grade 40 equivalent.  Ash content approx. 0.01% (negligible).  Pre-washed 2x in acid and rinsed in dH2O.  For quantitative work (gravimetric analysis).
Pack of 100 circles.
#FP2027 ................. $4.99 / pack

Quantity:
............................................................................................................................

FP1037
7 cm QUAL
. (Low-Ash), Slow
filtration speed / Fine porosity.
Ash content 0.15%.  For qualitative work with fine crystalline precipitates.
Pack of 100 circles.
#FP1037 .................... $2.84 / pack

Quantity:
............................................................................................................................

7 cm QUALITATIVE, Medium filtration speed / Medium porosity.  Ash content 0.15%.  The most popular grade for all-around qualitative work.
Pack of 100 circles.
#FP1027 ..................... $2.84 / pack

Quantity:


FP2029
9 cm QUANT. (Ashless), Medium / Medium.
Whatman grade 40 equivalent.  Ash content approx. 0.01% (negligible).  Pre-washed 2x in acid and rinsed in dH2O.  For quantitative work (gravimetric analysis).
Pack of 100 circles.
#FP2029   .............. $6.99 / pack

Quantity:
............................................................................................................................

FP1039
9 cm QUAL.
(Low-Ash), Slow
/ Fine.
Ash content 0.15%.  For qualitative work with fine crystalline precipitates.
Pack of 100 circles.
#FP1039 ................ $3.84 / pack

Quantity:
............................................................................................................................

9 cm QUAL. (Low-Ash), Medium / Medium.
Most popular grade for all-around qualitative lab work.  Pack of 100 circles.
#FP1029 ................ $3.84 / pack

Quantity:




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Additional types of filter paper are available in the Filter Flasks section