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Whatman™ 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.

$44.25 - $771.46

Specifications

Grade 541
Porosity Coarse
Particle Retention >20 to 25μmm
For Use With (Application) Tough, smooth surface. Coarse gelatinous precipitates. Useful for intermediate stages of gravimetric analysis
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Products ${productFamilyLength}
Catalog Number Mfr. No. Grade Porosity Diameter (Metric) Price Quantity  
Catalog Number Mfr. No. Grade Porosity Diameter (Metric) Price Quantity  
09-851D Accessories Whatman™
1541125
541 Coarse 125mm Pack of 100 Each for $111.42
09-851A Accessories Whatman™
1541070
541 Coarse 70mm Pack of 100 Each for $61.69
09-851B Accessories Whatman™
1541090
541 Coarse 90mm Pack of 100 Each for $81.77
09-851C Accessories Whatman™
1541110
541 Coarse 110mm Pack of 100 Each for $93.69
09-851E Accessories Whatman™
1541150
541 Coarse 150mm Pack of 100 Each for $160.44
09-851G Accessories Whatman™
1541042
541 Coarse 42.5mm Pack of 100 Each for $44.25
09-851H Accessories Whatman™
1541047
541 Coarse 47mm Pack of 100 Each for $46.94
09-851L Accessories Whatman™
1541240
541 Coarse 240mm Pack of 100 Each for $375.81
09-851N Whatman™
1541320
541 Coarse 320mm Pack of 100 Each for $771.46
09-851K Accessories Whatman™
1541185
541 Coarse 185mm Pack of 100 Each for $236.90
09-851J Accessories Whatman™
1541055
541 Coarse 55mm Pack of 100 Each for $52.17
Specifications

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
Description & Specifications

Specifications

541
Coarse
>20 to 25μmm
Tough, smooth surface. Coarse gelatinous precipitates. Useful for intermediate stages of gravimetric analysis