Whatman^® Quantitative Filter papers, Ashless, Grade 42, Diam. 240 mm, Whatman (CAT#: STEM-L-4485-LC)

Highlights

Slow filtration speed

Cat Number: STEM-L-4485-LC

Application: Ideal for retention of barium sulfate, metastannic acid, and finely precipitated calcium carbonate for critical gravimetric analysis.

Model: WHA1442240

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Description Specification Features Related Products

Description

The Whatman^® Quantitative Filter Paper, Ashless, Grade 42 manufactured by Whatman is ideal for retention of barium sulfate, metastannic acid, and finely precipitated calcium carbonate for critical gravimetric analysis. The ash is extremely low to 0.007%.

Specification

Material: Contton filters, circles
Packaging: Pack of 100
Parameter: 1870 sec/100 mL speed (Herzberg), 0.4 psi wet burst
Diam.: 240 mm
Thickness: 200 μm
Ash: ≤0.007%
Pore size: 2.5 μm (Particle retention)
Basis weight: 100 g/m²

Features

Slow filtration speed

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Whatman^® Quantitative Filter papers, Ashless, Grade 42, 460 mm × 570 mm, Whatman (CAT#: STEM-L-4486-LC)

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