Whatman grade 1 qualitative filter papers

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ID	Product Name
28413929	Grade 1 Qualitative Filter Paper Standard Grade, circle, 10 mm
28413916	Grade 1 Qualitative Filter Paper Standard Grade, circle, 110 mm
28413917	Grade 1 Qualitative Filter Paper Standard Grade, circle, 125 mm
28413902	Grade 1 Qualitative Filter Paper Standard Grade, circle, 15 mm
28413918	Grade 1 Qualitative Filter Paper Standard Grade, circle, 150 mm
28413919	Grade 1 Qualitative Filter Paper Standard Grade, circle, 185 mm
28413904	Grade 1 Qualitative Filter Paper Standard Grade, circle, 20 mm
28413920	Grade 1 Qualitative Filter Paper Standard Grade, circle, 240 mm
28413923	Grade 1 Qualitative Filter Paper Standard Grade, circle, 25 mm
28413905	Grade 1 Qualitative Filter Paper Standard Grade, circle, 25 mm
28413921	Grade 1 Qualitative Filter Paper Standard Grade, circle, 270 mm
28413906	Grade 1 Qualitative Filter Paper Standard Grade, circle, 30 mm
28413924	Grade 1 Qualitative Filter Paper Standard Grade, circle, 30 mm
28413907	Grade 1 Qualitative Filter Paper Standard Grade, circle, 32 mm
28413922	Grade 1 Qualitative Filter Paper Standard Grade, circle, 320 mm
28413925	Grade 1 Qualitative Filter Paper Standard Grade, circle, 385 mm
28413926	Grade 1 Qualitative Filter Paper Standard Grade, circle, 400 mm
28413908	Grade 1 Qualitative Filter Paper Standard Grade, circle, 42.5 mm
28413909	Grade 1 Qualitative Filter Paper Standard Grade, circle, 45 mm
28413910	Grade 1 Qualitative Filter Paper Standard Grade, circle, 47 mm
28413927	Grade 1 Qualitative Filter Paper Standard Grade, circle, 500 mm
28413911	Grade 1 Qualitative Filter Paper Standard Grade, circle, 55 mm
28413912	Grade 1 Qualitative Filter Paper Standard Grade, circle, 70 mm
28413913	Grade 1 Qualitative Filter Paper Standard Grade, circle, 85 mm
28413914	Grade 1 Qualitative Filter Paper Standard Grade, circle, 90 mm
28413934	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 26 × 31 mm
28413938	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 460 × 570 mm
28413937	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 460 × 570 mm
28413941	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 580 × 680 mm
28413942	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 580 × 680 mm
28413939	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 600 × 600 mm
28413935	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 75 × 100 mm

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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Product	Product Name	Price
1001-150	Grade 1 Qualitative Filter Paper Standard Grade, circle, 150 mm	24.05 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-085	Grade 1 Qualitative Filter Paper Standard Grade, circle, 85 mm	12.05 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-0155	Grade 1 Qualitative Filter Paper Standard Grade, circle, 15 mm	41.50 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-020	Grade 1 Qualitative Filter Paper Standard Grade, circle, 20 mm	41.01 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-320	Grade 1 Qualitative Filter Paper Standard Grade, circle, 320 mm	91.04 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-400	Grade 1 Qualitative Filter Paper Standard Grade, circle, 400 mm	150.02 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-929	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 600 × 600 mm	153.89 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-500	Grade 1 Qualitative Filter Paper Standard Grade, circle, 500 mm	187.54 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-813	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 26 × 31 mm	67.25 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-270	Grade 1 Qualitative Filter Paper Standard Grade, circle, 270 mm	65.58 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-185	Grade 1 Qualitative Filter Paper Standard Grade, circle, 185 mm	33.49 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-125	Grade 1 Qualitative Filter Paper Standard Grade, circle, 125 mm	16.05 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-110	Grade 1 Qualitative Filter Paper Standard Grade, circle, 110 mm	16.05 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-032	Grade 1 Qualitative Filter Paper Standard Grade, circle, 32 mm	9.39 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-045	Grade 1 Qualitative Filter Paper Standard Grade, circle, 45 mm	5.05 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-047	Grade 1 Qualitative Filter Paper Standard Grade, circle, 47 mm	9.39 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-055	Grade 1 Qualitative Filter Paper Standard Grade, circle, 55 mm	10.71 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-931	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 580 × 680 mm	277.38 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-918	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 460 × 570 mm	929.03 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, circle, 10 mm	41.50 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-385	Grade 1 Qualitative Filter Paper Standard Grade, circle, 385 mm	150.02 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-325	Grade 1 Qualitative Filter Paper Standard Grade, circle, 25 mm	9.39 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-030	Grade 1 Qualitative Filter Paper Standard Grade, circle, 30 mm	36.09 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-025	Grade 1 Qualitative Filter Paper Standard Grade, circle, 25 mm	36.09 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-824	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 75 × 100 mm	79.01 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-917	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 460 × 570 mm	205.99 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-329	Grade 1 Qualitative Filter Paper Standard Grade, circle, 30 mm	9.39 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-240	Grade 1 Qualitative Filter Paper Standard Grade, circle, 240 mm	53.54 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-090	Grade 1 Qualitative Filter Paper Standard Grade, circle, 90 mm	13.45 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-070	Grade 1 Qualitative Filter Paper Standard Grade, circle, 70 mm	10.71 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-932	Grade 1 Qualitative Filter Paper Standard Grade, sheet, 580 × 680 mm	885.18 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-042	Grade 1 Qualitative Filter Paper Standard Grade, circle, 42.5 mm	9.39 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-10035	Grade 1 Qualitative Filter paper standard grade, circle, 76.2 mm, 500/PK	42.31 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-734	Grade 1 Qualitative Filter Paper Standard Grade, 47 × 100 m	688.36 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1001-10048	Grade 1 Qualitative filter paper standard grade, circle, 90 mm	197.63 USD	Add to cart Get Quote In Stock Stock on request Limited stock

Whatman Grade 1 Qualitative Filter Papers

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

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Whatman Grade 1 Qualitative Filter Papers

Whatman Grade 1 Qualitative Filter Papers

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

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