Laboratory Paper
Whatman Filter Paper No.541, Qualitative, Hardened Ashless
Whatman Filter Paper No.541, Qualitative, Hardened Ashless

 

Whatman Filter Paper No.541, Qualitative, Hardened Ashless

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Filter Paper, No.541, Qualitative, Hardened Ashless

Description

General description
These are the supreme hardened ashless quantitative filter papers featuring high wet strength and chemical resistance. These papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them suitable for a wide range of critical analytical filtration operations. Each grade offers a convenient combination of filtration speed and particle retention.

Grade 541: 22 μm (fast filter paper)
Fast filtration of coarse particles and gelatinous precipitates in acid/alkali solutions during gravimetric analysis. Typical applications include fiber in animal foodstuffs, gelatine in milk and cream, chloride in cement, and chloride and phosphorous in coal and coke.

 

Technical Specification
Brand Product code Diameter ( cm ) PACKING QTY
Whatman 154-1042 4.25 100/ Box
Whatman 154-1047 4.7 100/ Box
Whatman 154-1055 5.5 100/ Box
Whatman 154-1070 7.0 100/ Box
Whatman 154-1090 9.0 100/ Box
Whatman 154-1110 11.0 100/ Box
Whatman 154-1125 12.5 100/ Box
Whatman 154-1150 15.0 100/ Box
Whatman 154-1185 18.5 100/ Box
Whatman 154-1240 24.0 100/ Box
Whatman 154-1270 27.0 100/ Box
Whatman 154-1320 32.0 100/ Box
Whatman 154-1400 40.0 100/ Box
Whatman 154-1917 46 x 57 100/ Box

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