BRANCHIA hardened quantitative filter paper, medium flow rate

Hardened low ash paper (<0.015%) for non critical quantitative works. Medium flow rate, adequate for a general use, being the intermediate filter in terms of flow rate and retention. Suitable for tests on the intake of atmospheric pollution and used in fat extraction applications in a large number of analysis routines. Weight 90 g / m², thickness 190 μm, filtration time 50 s, retention 7 - 8 μm, wet bursting strength> 30 kPa. Available in discs (presented in packages of 100 discs in box). Equivalence: Whatman 52