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FILTER PAPER - Whatman Grade No. 44, Quantitative, Ashless, Fine Retention

Fine retention and slow flow rate. Particle retention 3µm. Thinner version of grade no. 42 but with lower ash weight per sample and twice as fast. Well suited for gravimetric analysis.
Qty Price UnitItemCat# Mfg# Specs...
$76.21 100/PKFILTER PAPER - Whatman Grade No. 44, 12.5cm Quantitative, Ashless, Fine Retention124910061444-125 Whatman No.: 1444-125 »Diameter, cm: 12.5
$38.88 100/PK 1444-070, 7.0124910031444-070 Whatman No.: 1444-070 »Diameter, cm: 7.0
$54.10 100/PK 1444-090, 9.0124910041444-090 Whatman No.: 1444-090 »Diameter, cm: 9.0
$66.07 100/PK 1444-110, 11.0124910051444-110 Whatman No.: 1444-110 »Diameter, cm: 11.0
$96.46 100/PK 1444-150, 15.0124910071444-150 Whatman No.: 1444-150 »Diameter, cm: 15.0
$142.07 100/PK 1444-185, 18.5124910081444-185 Whatman No.: 1444-185 »Diameter, cm: 18.5