Grade 589/3 Filter for Fine Precipitate Retention
Whatman Grade 589/3 ashless filter paper from GE 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*
*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 GE Healthcare’s Life Sciences 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.
Grade 589/3: 2 µm
Specifications:
- Format: Circles
- Type: Ashless
- Typical Thickness: 160 µm
- Basis Weight: 84 g/m2
- Filtration Time to Herzberg: 1500s
- Filtration Speed (Herzberg): 375s
- Ash Content: 0.01%
- Material: High-quality cotton linters
- Alpha Cellulose Content Min.: 98%
- Ribbon Filter Color: Blue
Ordering Information:
|
Cat. No.
|
Diameter (mm.)
|
Qty.
|
|
10300210
|
Quantitative Filter Paper, 110 mm
|
100/pk
|
|
10300211
|
Quantitative Filter Paper, 125 mm
|
100/pk
|
|
10300212
|
Quantitative Filter Paper, 150 mm
|
100/pk
|
|
10300214
|
Quantitative Filter Paper, 185 mm
|
100/pk
|
|
10300263
|
Quantitative Filter Paper, 12.8 mm
|
1000/pk
|
