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No.1 Filter Sheets 58x68cm/500

SKU
WH/MA/AO/1001932
Brand
WHATMAN
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Whatman Grade 1 Qualitative Filter Papers are the most widely used standard grade medium flow rate cellulose filter papers.

Whatman Grade 1 Qualitative Filter Papers are the most widely used filter paper for routine laboratory applications, qualitative analytical separations, and clarifying liquids. They are the standard grade cellulose filter papers for medium flow rates.

  • Qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate
  • Agricultural soil analysis and seed testing procedures
  • Industrial food processing techniques to extract liquid or separate solid foodstuffs from associated liquid
  • Air pollution monitoring by collecting atmospheric dust from airflow and photometrically measuring the stain-intensity
  • Gas detection by quantitative chromogenesis with optical reflectance

Medium flow rate and retention for a wide range of qualitative analytical separations

Grade 1 Qualitative Filter Papers (11 µm particle retention) are available in a variety of sizes and formats including circles, sheets and prepleated filters. They are also available in FilterCup format, a convenient, 250 ml capacity disposable 70 mm filter funnel molded from polypropylene with an integral, heat-bonded filter.

How well do you know your filter paper grades and why you use them To find out, read our blog Back to Basics Part 1: A Guide to Types of Whatman Filter Paper Grades.

Ready for more Read our 6-part blog series Whatman paper filtration 101 or our complete lab filtration blog.

For more information and help choosing from our wide range of filter paper grades, download our Filter paper and membranes guide or check our Whatman filter selector to find your filter fast.

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Brand WHATMAN
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