Cytiva Quantitative Filter Paper: Grade 541 Circles

Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Whatman™ Quantitative Filter Paper: Grade 541 Circles are acid hardened cellulose filters, which reduces ash to an extremely low level.

Brand:  Cytiva 1541-400

Product Code. 11370514

Description

Whatman hardened ashless quantitative filter papers are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. They are suitable for a wide range of critical filtration procedures. 

• 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
• Quantitative determination of milk sediment

Applications

• 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

Specifications

• Particle Retention: >20 to 25 μm
• For Use With (Application): Tough, smooth surface. Coarse gelatinous precipitates. Useful for intermediate stages of gravimetric analysis
• Porosity: Coarse
• Diameter (Metric): 400 mm

• Filtration Speed: ASTM, 12 seconds; Herzberg, 34 seconds
• Grade: 541
• Quantity: 100/Pk.