Grade 1 Qualitative Filter Papers

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Brand: WHATMAN

Product Details: A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids.

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

Grade 1: 11 µm

The most widely used filter paper for routine applications with medium retention and flow rate. Extended range of sizes includes 10 to 500 mm diameter circles and 460 x 570 mm sheets. This filter is also available in the Filter Cup, this is a convenient, disposable 70 mm filter funnel with a 250 ml capacity moulded from polypropylene with an integral, heat bonded filter (catalogue number 1600-001). This grade covers a wide range of laboratory applications and is frequently used for clarifying liquids. Traditionally the grade is used in qualitative analytical separations for precipitates such as lead sulphate, calcium oxalate (hot), and calcium carbonate. In agriculture, it is used for soil analysis and seed testing procedures. In the food industry, Grade 1 is used for numerous routine techniques to separate solid foodstuffs from associated liquid or extracting liquid and is widely used in education for teaching simple qualitative analytical separations. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and colour formation quantified by optical reflectance.

Variant and Specifications:

PRODUCT	PRODUCT NAME	FORMAT	DIMENSIONS	PACK SIZE
1001-0155	Grade 1 Qualitative Filter Paper Standard Grade, circle, 15 mm	Circles	Ø 15 mm	500 Pieces
1001-020	Grade 1 Qualitative Filter Paper Standard Grade, circle, 20 mm	Circles	Ø 20 mm	400 Pieces
1001-025	Grade 1 Qualitative Filter Paper Standard Grade, circle, 25 mm	Circles	Ø 25 mm	400 Pieces
1001-030	Grade 1 Qualitative Filter Paper Standard Grade, circle, 30 mm	Circles	Ø 30 mm	400 Pieces
1001-032	Grade 1 Qualitative Filter Paper Standard Grade, circle, 32 mm	Circles	Ø 32 mm	100 Pieces
1001-042	Grade 1 Qualitative Filter Paper Standard Grade, circle, 42.5 mm	Circles	Ø 42.5 mm	100 Pieces
1001-045	Grade 1 Qualitative Filter Paper Standard Grade, circle, 14.5 cm	Circles	Ø 14.5 cm	100 Pieces
1001-047	Grade 1 Qualitative Filter Paper Standard Grade, circle, 47 mm	Circles	Ø 47 mm	100 Pieces
1001-055	Grade 1 Qualitative Filter Paper Standard Grade, circle, 55 mm	Circles	Ø 55 mm	100 Pieces
1001-070	Grade 1 Qualitative Filter Paper Standard Grade, circle, 70 mm	Circles	Ø 70 mm	100 Pieces
1001-085	Grade 1 Qualitative Filter Paper Standard Grade, circle, 85 mm	Circles	Ø 85 mm	100 Pieces
1001-110	Grade 1 Qualitative Filter Paper Standard Grade, circle, 110 mm	Circles	Ø 110 mm	100 Pieces
1001-125	Grade 1 Qualitative Filter Paper Standard Grade, circle, 125 mm	Circles	Ø 125 mm	100 Pieces
1001-150	Grade 1 Qualitative Filter Paper Standard Grade, circle, 150 mm	Circles	Ø 150 mm	100 Pieces
1001-185	Grade 1 Qualitative Filter Paper Standard Grade, circle, 185 mm	Circles	Ø 185 mm	100 Pieces
1001-240	Grade 1 Qualitative Filter Paper Stand0ard Grade, circle, 240 mm	Circles	Ø 240 mm	100 Pieces
1001-270	Grade 1 Qualitative Filter Paper Standard Grade, circle, 270 mm	Circles	Ø 270 mm	100 Pieces
1001-320	Grade 1 Qualitative Filter Paper Standard Grade, circle, 320 mm	Circles	Ø 320 mm	100 Pieces
1001-325	Grade 1 Qualitative Filter Paper Standard Grade, circle, 25 mm	Circles	Ø 25 mm	100 Pieces
1001-329	Grade 1 Qualitative Filter Paper Standard Grade, circle, 30 mm	Circles	Ø 30 mm	100 Pieces
1001-385	Grade 1 Qualitative Filter Paper Standard Grade, circle, 385 mm	Circles	Ø 385 mm	100 Pieces
1001-400	Grade 1 Qualitative Filter Paper Standard Grade, circle, 400 mm	Circles	Ø 400 mm	100 Pieces
1001-500	Grade 1 Qualitative Filter Paper Standard Grade, circle, 150 cm	Circles	Ø 150 cm	100 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, circle, 10 mm	Circles	Ø 10 mm	500 Pieces
1001-734	Grade 1 Qualitative Filter Paper Standard Grade, reel, 470 mm	Reel	Ø 470 mm	1 Reel
1001-813	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	26 x 31 mm (1 x 1.23 in)	1000 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	75 x 100 mm (3 x 4 in)	500 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	460 x 570 mm (18.11 x 22.45 in)	100 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	460 x 570 mm (18.11 x 22.45 in)	500 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	600 x 600 mm (23.62 x 23.62 in)	100 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	580 x 680 mm (22 x 26 in)	100 Pieces
1001-6508	Grade 1 Qualitative Filter Paper Standard Grade, sheets	Sheets	580 x 680 mm (22 x 26 in)	500 Pieces