Filtry ilościowe bezpopiołowe Grade 589/1
Przy zawartości popiołu poniżej 0,01%, papiery filtracyjne Whatman™ Grade 589/1 mogą być używane do analiz metodą Blaine'a w przemyśle cementowym oraz jako filtr do testowania zawartości popiołu w produktach spożywczych.
With less than 0.01% ash, 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 s*
• 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 589/1 ˝

*The time taken to filter 100 ml water (20°C) through a filter area of 10 cm˛  at a constant pressure of 5 cm water column

Blaine test filter paper
Whatman™ Grade 589/1 filter papers 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.
Filtry ilościowe bezpopiołowe Grade 589/1
Grade Grade 589/1
Type Ashless 
Typical Thickness 190 µm
Basis Weight 80 g/m2
Filtration Time to Herzberg 50 s
Filtration Speed (Herzberg) 25 s
Ash Content 0.01% 
Material High-quality cotton linters 
Alpha Cellulose Content Min. 98
Ribbon Filter Color Black 
Application Designed for gravimetric analysis and the preparation of samples for instrumental analysis. For the filtration of coarse precipitates. For many quantitative standard methods; especially for gravimetric applications (e.g.; determination of the ash content in foodstuffs); or for the Blaine test in the cement industry. 
Product Product Name Dimensions Grade
10300009 Grade 589/1 Filter for Coarse Precipitate Retention 90 mm circle (100 pcs) Grade 589/1
10300010 Grade 589/1 Filter for Coarse Precipitate Retention 110 mm circle (100 pcs) Grade 589/1
10300011 Grade 589/1 Filter for Coarse Precipitate Retention 125 mm circle (100 pcs) Grade 589/1
10300012 Grade 589/1 Filter for Coarse Precipitate Retention 150 mm circle (100 pcs) Grade 589/1
10300014 Grade 589/1 Filter for Coarse Precipitate Retention 185 mm circle (100 pcs) Grade 589/1
10300045 Grade 589/1 1/2 Filter for Coarse Precipitate Retention 150 mm circle (100 pcs) folded Grade 589/1
1/2