Whatman^® Quantitative Filter Paper, Ashless, Grade 589/3 Blue Ribbon, Diam. 12.8 mm0, Whatman (CAT#: STEM-L-4459-LC)

The Whatman^® Quantitative Filter Paper, Ashless, Grade 589/3 manufactured by Whatman is ideal for gravimetric analysis and the sample preparation for instrumental analysis. The ash is extremely low to 0.01% while the flow rate is slow, making it suitable for determining content of insoluble contaminants in animal and vegetable fats and oils.

Material: Cellulose filters, circles
Packaging: Pack of 100
Parameter: 375 sec/100 mL speed (Herzberg)
Diam.: 12.8 mm
Thickness: 160 μm
Ash: ≤0.01%
Pore size: <2 μm (Particle retention)
Basis weight: 84 g/m²

Slow filtration speed
Ideal for collection of very small precipitates

Whatman^® Quantitative Filter Paper, Ashless, Grade 589/3 Blue Ribbon, Diam. 125 mm, Whatman (CAT#: STEM-L-4460-LC)