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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42, Cytiva

Manufacturer: Cytiva
SKU: 12-4870
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$ 50.0000305.0000
Product No. Cytiva No. Packaging Diameter cm. Price Qty.  
Product No.
12-4870-01
2026-12-31
Cytiva No.
1442-042
Packaging
Pack of 100
Diameter cm.
4.25
Price
$50.00
Quantity
Product No.
12-4870-02
2026-12-31
Cytiva No.
1442-055
Packaging
Pack of 100
Diameter cm.
5.5
Price
$56.00
Quantity
Product No.
12-4870-03
2026-12-31
Cytiva No.
1442-070
Packaging
Pack of 100
Diameter cm.
7
Price
$64.00
Quantity
Product No.
12-4870-04
2026-12-31
Cytiva No.
1442-090
Packaging
Pack of 100
Diameter cm.
9
Price
$80.00
Quantity
Product No.
12-4870-05
2026-12-31
Cytiva No.
1442-110
Packaging
Pack of 100
Diameter cm.
11
Price
$96.00
Quantity
Product No.
12-4870-06
2026-12-31
Cytiva No.
1442-125
Packaging
Pack of 100
Diameter cm.
12.5
Price
$109.00
Quantity
Product No.
12-4870-07
2026-12-31
Cytiva No.
1442-150
Packaging
Pack of 100
Diameter cm.
15
Price
$136.00
Quantity
Product No.
12-4870-08
2026-12-31
Cytiva No.
1442-185
Packaging
Pack of 100
Diameter cm.
18.5
Price
$195.00
Quantity
Product No.
12-4870-09
2026-12-31
Cytiva No.
1442-240
Packaging
Pack of 100
Diameter cm.
24
Price
$305.00
Quantity

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6809https://www.taylorscientific.com/media/catalog/product/cache/8284e566d02a985497925dd331e33492/c/y/cytiva_1442.jpg

Cytiva's Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

  • Fine (2.5 µm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
  • Commonly used as a calcium carbonate filter

These filter papers are designed for retention of extremely small particles. Other typical precipitates for gravimetric analysis include barium sulfate and metastannic acid for use in glazes, coatings and pigments. The high purity of these filters also makes them suitable for processes that require ashing.

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Manufacturer Cytiva
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