Grade 589/2 Medium Fine Precipitate Filter
Whatman Grade 589/2 filters from GE are used in routine quantitative analyses, including analysis of aqueous suspension in paper, flour analysis, and sand content quantification.
- High purity (< 0.01% ash)
- Retention of medium fine precipitates, such as grains of sand
- Herzberg filtration speed of 140 s*
- ‘White ribbon filter’
*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
Whatman quantitative filters from GE Healthcare’s Life Sciences business are designed for gravimetric analysis. Grade 589/2 Whatman ashless filter paper can also be purchased as pre-pleated 589/2 ½ sheets.
General filtration with quantitative papers
Grade 589/2 ashless filter paper can be used when medium fine precipitates are being collected and papers must be ashed to support analysis. Grade 589/2 is suitable for a variety of routine quantitative analysis methods, such as determination of the sand content in foodstuffs, flour analysis, and aqueous suspension analysis in the paper industry.
Grade 589/2: 4-12 µm
Specifications:
- Format: Circles
- Type: Ashless
- Typical Thickness: 180 µm
- Basis Weight: 85 g/m2
- Filtration Time to Herzberg: 140s
- Filtration Speed (Herzberg): 70s
- Ash Content: 0.01%
- Material: High-quality cotton linters
- Alpha Cellulose Content Min.: 98%
- Ribbon Filter Color: White
Ordering Information:
|
Cat. No.
|
Diameter (mm.)
|
Qty.
|
|
10300102
|
Quantitative Filter Paper, 12.7 mm
|
1000/pk
|
|
10300103
|
Quantitative Filter Paper, 40.5 mm
|
100/pk
|
|
10300106
|
Quantitative Filter Paper, 50 mm
|
100/pk
|
|
10300107
|
Quantitative Filter Paper, 55 mm
|
100/pk
|
|
10300108
|
Quantitative Filter Paper, 70 mm
|
100/pk
|
|
10300109
|
Quantitative Filter Paper, 90 mm
|
100/pk
|
|
10300110
|
Quantitative Filter Paper, 110 mm
|
100/pk
|
|
10300111
|
Quantitative Filter Paper, 125 mm
|
100/pk
|
|
10300112
|
Quantitative Filter Paper, 150 mm
|
100/pk
|
|
10300114
|
Quantitative Filter Paper, 185 mm
|
100/pk
|
|
10300120
|
Quantitative Filter Paper, 240 mm
|
100/pk
|
|
10300143
|
½ Quantitative Filter Paper, 110 mm
|
100/pk
|
|
10300145
|
½ Quantitative Filter Paper, 150 mm
|
100/pk
|