Grade | Grade 41 |
Type | Ashless |
Typical Particle Retention in Liquid | 20µm |
Nominal Thickness | 215 µm |
Typical water flow rate | 254 ml/min |
Nominal Basis Weight | 85 g/m2 |
Nominal Air Flow Rate | 4 s/100 mL/in2 |
Nominal Ash Content | 0.007% |
Material | High-quality cotton linters |
Alpha Cellulose Content Min. | ≥98% |
Typical Trace Element Levels | Aluminium 2.5 µg/g Antimony <0.5 µg/g Arsenic <0.5 µg/g Barium <0.5 µg/g Boron <1 µg/g Calcium 8.3 µg/g Chromium 1.5 µg/g Copper 2 µg/g Iron 12 µg/g Lead <0.5 µg/g Magnesium 4 µg/g Manganese <0.5 µg/g Mercury <0.5 µg/g Potassium 2.3 µg/g Silicon 6.2 µg/g Sodium 16.8 µg/g Zinc 64.5 µg/g |
Application | Designed for gravimetric analysis and the preparation of samples for instrumental analysis. For analytical procedures involving coarse particles or gelatinous precipitates (e.g.; iron or aluminum hydroxides). Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. |
Product | Product Name | Dimensions |
1441-042 | Grade 41 Fast Ashless Filter Paper; 42.5 mm circle (100 pcs) | 42.5 mm |
1441-047 | Grade 41 Fast Ashless Filter Paper; 47 mm circle (100 pcs) | 47 mm |
1441-050 | Grade 41 Fast Ashless Filter Paper; 50 mm circle (100 pcs) | 50 mm |
1441-055 | Grade 41 Fast Ashless Filter Paper; 55 mm circle (100 pcs) | 55 mm |
1441-060 | Grade 41 Fast Ashless Filter Paper; 60 mm circle (100 pcs) | 60 mm |
1441-070 | Grade 41 Fast Ashless Filter Paper; 70 mm circle (100 pcs) | 70 mm |
1441-090 | Grade 41 Fast Ashless Filter Paper; 90 mm circle (100 pcs) | 90 mm |
1441-110 | Grade 41 Fast Ashless Filter Paper; 110 mm circle (100 pcs) | 110 mm |
1441-125 | Grade 41 Fast Ashless Filter Paper; 125 mm circle (100 pcs) | 125 mm |
1441-150 | Grade 41 Fast Ashless Filter Paper; 150 mm circle (100 pcs) | 150 mm |
1441-185 | Grade 41 Fast Ashless Filter Paper; 185 mm circle (100 pcs) | 185 mm |
1441-240 | Grade 41 Fast Ashless Filter Paper; 240 mm circle (100 pcs) | 240 mm |
1441-320 | Grade 41 Fast Ashless Filter Paper; 320 mm circle (100 pcs) | 320 mm |
1441-6309 | Grade 41 Fast Ashless Filter Paper; 25 mm circle (10;000 pcs) | 25 mm |
1441-866 | Grade 41 Fast Ashless Filter Paper; 203 × 254 mm sheet (100 pcs) | 203 x 254 mm |
1441-917 | Grade 41 Fast Ashless Filter Paper;460 × 570 mm sheet (100 pcs) | 460 x 570 mm |
14418296 | Grade 41 Fast Ashless Filter Paper, 32 mm (100 pcs) | 32 mm |
14416761 | Grade 41 Fast Ashless Filter Paper, 55 mm (10000 pcs) | 55 mm |
Selection guide
Application note
Application Note