Whatman^® Qualitative Filter Paper, Grade 4, Diam. 47 mm, Whatman (CAT#: STEM-L-4591-LC)

Highlights

Very fast filtration speed

Cat Number: STEM-L-4591-LC

Application: Ideal for cleaning of organic extracts of biological fluids during analysis

Model: WHA1004047

Add to Cart

Description Specification Features Related Products

Description

The Whatman^® Qualitative Filter Paper, Grade 4 manufactured by Whatman is ideal for retention of coarse particles and gel-like precipitates, or for air pollution monitoring where requiring high flow rate. It features very fast filtration speed.

Specification

Material: Cellulose filters, circles
Packaging: Pack of 100
Parameter: 37 sec/100 mL speed (Herzberg), 0.22 psi wet burst
Diam.: 47 mm
Thickness: 205 μm
Ash: ≤0.06%
Pore size: 20-25 μm (Particle retention)
Basis weight: 92 g/m²

Features

Very fast filtration speed

Related Products

Whatman^® Qualitative Filter Paper, Grade 4, 38 mm × 114 mm, Whatman (CAT#: STEM-L-4592-LC)

Other recommended products

Quantitative Filter Paper, Slow Flow, Diameter 90mm, STE-Mart (CAT#: STEM-FC-1560-LC)
Whatman^® Prepleated Qualitative Filter Paper for Technical Use, Grade 520a 1/2, Creped, Diam. 240 mm, Whatman (CAT#: STEM-L-4819-LC)
Whatman^® Glass Microfiber Filters, Grade GF/D, Diam. 12.5 cm, Whatman (CAT#: STEM-L-6841-LC)
Φ13mm Microporous Filter Membrane, Ф13, 0.2 / 0.45μ(Organic), Nylon66, Tianjin Jinteng Experimental Equipment Co.,Ltd. (CAT#: STEM-L-0140-YJL)
Whatman^® Qualitative Filter Paper, Grade 3, Diam. 185 mm, Whatman (CAT#: STEM-L-4615-LC)
125mm Qualitative Standard Filter, Circle, Grade 6, Case of 100, Whatman (CAT#: STEM-FC-1999-LC)
Whatman^® Prepleated Qualitative Filter Paper, Grade 1V, Diam. 32 cm, Whatman (CAT#: STEM-L-4780-LC)
70mm Quantitative Hardened Ashless Filter, Circle, Grade 541, Case of 100, Whatman (CAT#: STEM-FC-2153-LC)