Whatman Grade 589/3 ashless filter paper from Cytiva is particularly useful in capturing very fine particulate samples such as insoluble molecules in fats or oils or supporting ash free dry mass.
High purity (< 0.01% ash) for ash free dry mass methods
‘Blue ribbon filter’
Very fine precipitate retention (class 2d acc. to DIN 53 135)
Herzberg filtration speed of 750 s*
Also available prepleated as Grade 589/3 ½
*The time taken to filter 100 ml water (20°C) through a filter area of 10 cm² at a constant pressure of 5 cm water column
Ash free dry mass
Grade 589/3 filter paper from Cytiva's business supports accurate measurement of ash free dry mass. The blue ribbon filter is an established component in a variety of quantitative analysis methods, such as quantification of insoluble contaminants in animal and vegetable fats and oils.
Looking for a filter paper, membrane filter, or syringe filter? Let Cytiva help you find the optimal filter for your needs to ensure reliable analysis.
