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HomeLaboratory Filter PaperBoeco Quantitative FiltersQuantitative Filters - 393 - purple spot

Quantitative Filters - 393 - purple spot

Quantitative Filters - 393 - purple spot

393 - purple spot - particulary slow filtering, especially fine pores, ashless hardened

quantitative ashless filter papers are recommended for quantitative analysis.
As quantitative analysis requires a high purity, these filters are being washed out with acid. 

For extremely difficult filtration conditions and particulary fine precipitates.

Basis Weight: 100 g/m2
Filtration velocity: 10 ml / 250 seconds
Typical Pore Size: 1 - 2 µm
Similar to: Whatmann 42

Diam. Code Grade/Description Pack of
55 mm FTR 3.127.055 393 / Filter discs. Purple dot 100
70 mm FTR 3.127.070 393 / Filter discs. Purple dot 100
90 mm FTR 3.127.090 393 / Filter discs. Purple dot 100
110 mm FTR 3.127.110 393 / Filter discs. Purple dot 100
125 mm FTR 3.127.125 393 / Filter discs. Purple dot 100
150 mm FTR 3.127.150 393 / Filter discs. Purple dot 100
185 mm FTR 3.127.185 393 / Filter discs. Purple dot 100
240 mm FTR 3.127.240 393 / Filter discs. Purple dot 100

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