Qualitative filter paper

The filter papers for qualitative analysis FILTER-LAB ® are specially manufactured to achieve separation and identification of substances known characteristics and to perform a great number of leaks in routine analysis.

The range consists of two perfectly distinct families according to the requirements of the test or the purpose of filtration:

GENERAL USE

Ref	Filtration / Surface / Thickness	Weight gr/m2	Thickness mm	Pore μm	Ash %
1300/80	Very quick. Smooth	80	0.185	43 - 48	< 0.2
1320	Extra-quick. Smooth. Thick	160	0.470	60 - 68	< 0.2
1318	Very quick. Creased. Thick	155	0.450	35 - 40	< 0.2
1303	Very quick. Thick	64	0.165	34 - 42	< 0.2

LOW ASH

Ref	Filtration/ Thickness	Weight gr/m2	Thickness mm	Pore μm	Ash %
1248	Very quick	80	0.210	25 - 30	< 0.06
1249	Quick	80	0.180	20 - 25	< 0.06
1250	Medium	87	0.180	10 - 13	< 0.06
1252	Medium - Slow	80	0.160	7 - 9	< 0.06
1254	Slow	80	0.150	2 - 4	< 0.06
1256	Veru slow	100	0.150	1 - 3	< 0.06
1258	Medium slow/ thick	200	0.360	5 - 7	< 0.1