Quantitative filter papers, ashless grades, grade 589/1 and 589/1 ½, Whatman™
With less than 0,01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.
- Herzberg filtration speed of 50 seconds*
- Black ribbon filter for fast filtration of coarse precipitates
- High purity (<0,01% ash)
- Blaine test and ash content test compatible
- Also available prepleated as Grade 589/1½
*The time taken to filter 100 mp water (20° C) through a filter area of 10 cm² at a constant pressure of 5 cm water column.
Whatman Grade 589/1 filter papers from Cytiva's business are designed for fast filtration of coarse precipitates in support of tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs.
- Catalog No:
- WHAT10300014
- WHAT10300012
- WHAT10300045
- WHAT10300011
- WHAT10300010
- WHAT10300009
- Grade:
- 589/1
- 589/1
- 589/1 ½
- 589/1
- 589/1
- 589/1
- Weight:
- 80 g/m²
- 80 g/m²
- 80 g/m²
- 80 g/m²
- 80 g/m²
- 80 g/m²
- Thickness:
- 190 µm
- 190 µm
- 190 µm
- 190 µm
- 190 µm
- 190 µm
- Particle retention:
- 12 - 25 µm
- 12 - 25 µm
- 12 - 25 µm
- 12 - 25 µm
- 12 - 25 µm
- 12 - 25 µm
- Filtration speed:
- 25 s (Herzberg)
- 25 s (Herzberg)
- 25 s (Herzberg)
- 25 s (Herzberg)
- 25 s (Herzberg)
- 25 s (Herzberg)
- Ash content:
- 0,010%
- 0,010%
- 0,010%
- 0,010%
- 0,010%
- 0,010%