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
Applications:
The product is used in cement, ceramic and refractory industries for testing particle size of materials by measuring surface area using Blaine’s apparatus. e.g., determination of the Blaine test in the cement industry. Blaine test and ash content test compatible.
Description:
Blaines filter Circles, 12.7 mm, 1000/PK,
Grade 40 high-purity filters paper from Kala Scientific Inc. Are general-purpose papers for quantitative analysis. These filters are suitable for a variety of analytical filtration applications. High-purity filters contain 0.007% maximum ash content
Medium nominal particle retention rating of 8 pm
Medium filtration speed (Herzberg 340 s) Particularly useful for gravimetric analysis.
| Parameter | Crade 40 Ashless Filter Paper for Blaines Analysis, 12.7 mm circle (1000 pcs) |
| Grade | Grade 40 Equivalent |
| Format | Circles |
| Type | Ashless |
| Typical Particle Retention in Liquid | 8 micron |
| Nominal thickness | 210 micron |
| Typical water flow rate² | 25 ml/min |
| Nominal basis weight | 95 g/m² |
| Nominal air flow rate | 21 s/100 mL/in² |
| Nominal Ash Content³ | 0.007% |
| Material | High-quality cotton linters |
| Alpha cellulose content Min | ≥98% |
