WHATMAN

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Filter paper grade42 กระดาษกรอง
  • Description

Our high-purity Whatman ashless Grade 42 quantitative filter papers are suitable for a wide range of critical analytical filtration procedures for quantitative analysis. Grade 42 filter 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.

  • Ashless: 0.007% ash maximum
  • Fine (2.5 μm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
  • Herzberg filtration speed of 1870 s
  • Commonly used as a calcium carbonate filter
  • Particularly suitable for gravimetric analysis
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Description

Our high-purity Whatman ashless Grade 42 quantitative filter papers are suitable for a wide range of critical analytical filtration procedures for quantitative analysis. Grade 42 filter 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.

  • Ashless: 0.007% ash maximum
  • Fine (2.5 μm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
  • Herzberg filtration speed of 1870 s
  • Commonly used as a calcium carbonate filter
  • Particularly suitable for gravimetric analysis
  • Product No.Product
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  • Product No.
    1442055
  • Description
    Grade 42 Circles, 55mm 100/pk
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  • Product No.
    1442070
  • Description
    Grade 42 Circles, 70mm 100/pk
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  • Product No.
    1442090
  • Description
    Grade 42 Circles, 90mm 100/pk
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  • Product No.
    1442110
  • Description
    Grade 42 Circles, 110mm 100/pk
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  • Product No.
    1442125
  • Description
    Grade 42 Circles, 125mm 100/pk
  • Stock
    In Stock
  • Price
    ฿1,322.00
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  • Product No.
    1442150
  • Description
    Grade 42 Circles, 150mm 100/pk
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