Merck, WHA1441090, Whatman®quantitative filter paper, ashless, Grade 41

Name: Whatman®quantitative filter paper, ashless, Grade 41
Brand: Merck
SKU: WHA1441090

Size:100 ea, Whatman filter, Whatman paper, Z241377, filter papers, paper filter, circles, diam. 90 mm, pack of 100

Catalog Number: WHA1441090

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Category

Cleanroom Paper

Pack Size100 ea

TagsFiltration Filter Paper

CollectionsMerck Cell Culture Supplements & Reagents: Complete Solutions for Research & Bioproduction Merck Roche Life Science Products for PCR, RT‑PCR & Nucleic Acid Purification

Description

General description
Cytiva′s Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.

Fast ashless paper for pollution analysis

Whatman Grade 41 filters from Cytiva′s business are suitable for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates.

Grade 41 filters are also commonly used in preparing solid environmental samples (e.g., soils, sludges) for metals analysis after nitric acid digestion. Grade 41 is available in a convenient, disposable, 47 mm filter funnel with a 250 ml capacity. The 47 mm diameter filter can be easily removed for further analysis or culturing.

Features and Benefits

Extremely low ash content (0.007% ash maximum)
20 µm nominal particle retention rating
Fast filtration speed (Herzberg 54 s)
Commonly used for routine air pollution analysis and soil pollution analysis

Other Notes
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
Legal Information
Whatman is a registered trademark of Cytiva

Specifications

General

NACRES	NB.24
UNSPSC Code	41104900
material	circles
packaging	pack of 100
manufacturer/tradename	Whatman 1441-090
parameter	0.22 psi wet burst
diam.	90 mm
thickness	220 μm
ash	≤0.007%
pore size	20-25 μm (Particle retention)
basis weight	85 g/m2

Ordering

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