Whatman Grade 91 Wet Strengthened Filter Paper
Quantitative Filter Paper
Specification
|
Description |
Slow |
|
Particle Retention in Liquid (μm) |
2.5 |
|
Filtration Speed (approx) Herzberg (s) |
- |
|
Normal ash content (%) |
0.007 |
|
Typical Thickness (μm) |
200 |
|
Basis Weight (g/m2) |
100 |
|
Typical water flow rate (ml/min)2 |
5 |
|
Nominal air flow rate (s/100 mL/in2) |
96 |
Detail
|
Diameter (mm) |
Catalog Number |
Quantity/Pack |
|
42.5 |
1442-042 |
100 |
|
47 |
1442-047 |
100 |
|
55 |
1442-055 |
100 |
|
70 |
1442-070 |
100 |
|
90 |
1442-090 |
100 |
|
110 |
1442-110 |
100 |
|
125 |
1442-125 |
100 |
|
150 |
1442-150 |
100 |
|
185 |
1442-185 |
100 |
|
240 |
1442-240 |
100 |
|
320 |
1442-320 |
100 |
|
25.4 × 90 |
1442-6551 |
100 |
|
460 x 570 |
1441-917 |
100 |
|
Flag shape |
1442-971 |
100 |