GF/C - 1.2 µm: regularly specified in standard methods for determining suspended solids in water, removal of turbidity and filtration of bacterial cultures. Also widely used in biochemistry for cell harvesting, liquid scintillation counting and binding assays. GF/C - 1.2 µm: regularly specified in standard methods for determining suspended solids in water, removal of turbidity and filtration of bacterial cultures. Also widely used in biochemistry for cell harvesting, liquid scintillation counting and binding assays.