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The separation of Schleicher & Schuell depth filters is based on mechanical retention or rather on the absorption of particles inside the filter maxtrix. The following table shows which filters are equivalent to the ones of Schleicher & Schuell.
|Product Examples||Schleicher & Schuell Filters||Filter Properties||Application Areas|
|Whatman 43 Whatman 4||Schleicher & Schuell 589/1||
Fast filtration, open fibre structure
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
|Whatman 40 Whatman 4||Schleicher & Schuell 589/2||
Medium fast filtration, medium open to open fibre structure, medium to wide-pore
Mainly applicated for quantitative analyses, coarse precipitates like lead, iron or silver silfide as well as alkaline earth metal carbonates
|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
|Whatman Grade 44 Whatman n/a||Schleicher & Schuell 589/3||
Very slow filtration, dense fibre structure, fine-pored
Often used for quantitative analyses, coarse precipitates like lead, iron or silver silfide as well as potassium oxalate
|Whatman 44||Schleicher & Schuell 589/5||
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 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
|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
These glass fibre and quartz glass fiber filters manufactured by Sartorius and Whatman have similar filtration properties as the common known Schleicher & Schuell filters.
|Schleicher & Schuell Filters||equivalent Sartorius/Whatman Filters||Description|
|Schleicher & Schuell GF 50||Sartorius MAG Whatman GF/A||
Highly efficient for common laboratory filtration, clarificaton of puffer and reagent solutions, complies to many international standards like monitoring air and water pollution, food analysis, filtration of algae, bacterium cultures and proteins. Better retention for smaller particles than other glass fiber filters. Also used for clarification of protein solutions ans for filtrating solvents for HPLC
|Schleicher & Schuell GF 51||Sartorius MGB Whatman GF/B||Filtration of solved soliid materials in water or waste water analysis. Suited as mebrane prefilter. Can be used for large volumes.|
|Schleicher & Schuell GF 52||Sartorius MGC Whatman GF/C||
Standard for clarification anf waste water and water monitoring, szintillation counting on the filter, cell collection, hydrocarbon analysis in which cellulose fibres are disturbing
|Schleicher & Schuell GF 53||Sartorius MGD Whatman GF/D||Allround membrane prefilter|
Schleicher & Schuell GF 55
Sartorius MGF Whatman GF/F
|Better retention for smaller particles than other glass fibre filters, clarification of protein solutions and solvents for HPLC|
|Schleicher & Schuell n/a||Sartorius MG 550-HA Whatman 934 AH||
Temperature resistance up to 550 °C, recommended to determine the total suspended solids content in water (TSS/ standard method 2540D)
|Schleicher & Schuell n/a||Sartorius MK360 Whatman QM-A||
Quartz glass fibre filter, analysis of hot, acid gases, trace element analysis, air sampling, air pollution sampling
If you still have questions concerning filters or application areas of specific filters, please contact us.