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Whatman™ Grade 541 Quantitative Filter Papers, Hardened Ashless, Circles (100/PK)
Acid hardened cellulose filter paper
As low as $35.86
| Part Number | 1541-Dxx-Series |
|---|---|
| Cross Reference(s) | - - - |
Product Overview
Cytiva's Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and a large nominal particle retention for fast analytical filtration.
- High wet-strength
- High chemical resistance to strong acid and alkali suspensions
- Retention of gelatinous precipitate
- 22 µm nominal particle retention rating
- Fast flow rate (Herzberg filtration speed 34 s)
- Maximum of 0.006% ash concentration
Gelatinous precipitate retention
Hardened ashless filter paper is recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Applications of Grade 541 papers include:
- Use as an animal foodstuff filter for determining fiber content
- Determination of gelatin content in milk and cream
- Quantification of chloride in cement, as well as chloride and phosphorous in coal and coke
Additional Information
| Part Number | 1541-Dxx-Series |
|---|---|
| Cross Reference(s) | - - - |
| Pack Size: | 100 pcs |
| Filter Paper Grade | Grade 541 |
| Format | Circles |
| Type | Hardened Ashless |
| Typical Particle Retention in Liquid | 22µm |
| Nominal thickness | 155 µm |
| Typical water flow rate at 45 psi (3.1 bar) | 359 ml/min |
| Nominal basis weight | 78 g/m² |
| Nominal air flow rate | 3 s/100 mL/in² |
| Nominal Ash Content | 0.005% |
| Material | High-quality cotton linters |
| Alpha Cellulose Content Min. | ≥98% |
| Typical Trace Element Levels | Aluminium 3.4 µg/g Antimony <0.5 µg/g Arsenic <0.5 µg/g Barium <0.5 µg/g Boron <1 µg/g Calcium 14.7 µg/g Chromium 1.1 µg/g Copper 8.2 µg/g Iron 16.3 µg/g Lead <0.5 µg/g Magnesium 3.3 µg/g Manganese <0.5 µg/g Mercury <0.5 µg/g Potassium 3.7 µg/g Silicon <6 µg/g Sodium 17 µg/g Zinc 87.8 µg/g |
| Application | Typical applications include fiber in animal foodstuffs, gelatine in milk and cream, chloride in cement, and chloride and phosphorous in coal and coke. |