Frontiers | Filtration via Conventional Glass Fiber Filters in 15N2 Tracer Assays Fails to Capture All Nitrogen-Fixing Prokaryotes
Glass fiber filter, grade GD-120, 47mm Ø, 123g/m², 0.51mm thick, pore size 0.9µm. No binder, max. temp. 500 °C. Prefilter for membrane filters with pore size 0.45 to 1.2µm. Very high loading