HOME > Laboratory Filter Paper > Boeco Quantitative Filters > Quantitative Filters - 393 - purple spot

Quantitative Filters - 393 - purple spot

(1)

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

Catalogue Download

BOECO Catalogue our entire assortment
Laboratory Filter Paper
Boeco Quantitative Filters