Whatman 43 Whatman 4 |
Schleicher & Schuell 589/1 |
Fast filtration, open fibre structure
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Especially suited for coarse-flocculent and voluminous precipitates like iron aluminium or chrome oxide, for quantitative analyses, pressure or vacuum filtration, silicon determinations for stainless steal or pig iron analyses
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Whatman 40 Whatman 4 |
Schleicher & Schuell 589/2 |
Medium fast filtration, medium open to open fibre structure, medium to wide-pore
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Mainly applicated for quantitative analyses, coarse precipitates like lead, iron or silver silfide as well as alkaline earth metal carbonates
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Whatman 42 |
Schleicher & Schuell 589/6 |
Slow filtration, dense fibre structure |
Filtration of fine precipitates like lead oxide, potassium fluoride, nickel sulfide or zinc sulfide
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Whatman Grade 44 Whatman n/a |
Schleicher & Schuell 589/3 |
Very slow filtration, dense fibre structure, fine-pored
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Often used for quantitative analyses, coarse precipitates like lead, iron or silver silfide as well as potassium oxalate
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Whatman 44 |
Schleicher & Schuell 589/5 |
Medium fast to fast filtration, medium dense to dense fibre structure
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Mainly applicated for quantitative analyses, coarse precipitates like lead, iron or silver silfide as well as potassium oxalate |
Whatman 42 |
Schleicher & Schuell 1575/576 |
Extremely slow filtration, very particularly dense fibre structure, very fine-pored |
Well suited for particularly difficult filtration situations and very fine-pored precipitates |
Whatman n/a |
Schleicher & Schuell 1574 |
Medium fast to fast filtration, medium dense to dense fibre structure |
Mainly applicated for quantitative analyses, coarse precipitates like lead, iron or silver silfide as well as alkaline earth metal carbonates, food analyses and soil analyses
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Whatman 6 |
Schleicher & Schuell 594 |
Medium fast to fast filtration, medium dense fibre structure |
Filtration of fine-pored precipitates like barium sulfate, stannic acid or copper oxide
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