Whatman™ Grade 589/3 Blue Ribbon Quantitative Filter Paper, Ashless
Whatman Blue Ribbon filter paper. Ashless standard filter paper for very fine precipitates (class 2d acc. to DIN 53 135). Slow filter paper with highest efficiency for collecting very small particles. Also used for many analytical routine methods in different industries e.g. determination of the amount of insoluble contaminants in animal and vegetable fats and oils acc. to § 35 LMBG*). Filtration speed: 375 herzberg. Ash content: 0.01%. Typical thickness: 160µm. Basis weight: 84g/m². Retention: 2µm.