Whatman 10300102 Ashless Quantitative Filter Paper, 12.7mm Diameter, 4-12 Micron, Grade 589/2 (Pack of 1000)

White Ribbon Filter’ – ashless standard filter paper for medium fine precipitates (class 2b acc. to DIN 53 135) offering medium filtration speed. Applied in a variety of routine methods in quantitative analysis, e.g. determination of the sand content in foodstuffs to § 35 LMBG*, determination of the grade of flour or analysis of aqueous suspensions in the paper industry. Filtration speed: 70 herzberg. Ash content: 0.01%. Typical thickness: 180µm. Basis weight: 85g/m². Retention: 4-12µm. Diameter: 12.7mm. 1,000/Pack. Whatman #: 10300102.