Cronus HPLC filter

Luer-Lock prevents filter blow-off

Sealing ring prevents housing burst

Membrane & porosity imprinted on housing for certain identification

Porosities from: 0.2 µm - 5.0 µm

Available membranes: Nylon, Polyethersulfone, PTFE, PVDF,
Regenerated cellulose, Cellulose acetate

available filter diameters:
- 8804 = ø 4 mm - up to 2 ml sample volume
- 8813 = ø 13 mm - up to 10 ml sample volume
- 8825 = ø 25 mm - up to 100 ml sample volume

           
Nylon membrane
or the filtration of: water, aqueous solvents, alcohol, bases, bencoic hydrocarbons, THF
Nylon (N) 0.22 µm 0.45 µm 1.0 µm 1.5 µm 5.0 µm
colour violet green   gelb pink
8804C-N-* * = 2 * = 4 - - -
8813C-N-* * = 2 * = 4 - - -
8825C-N-* * = 2 * = 4 - * = 15 * = 50
           
Polyethersulfone membrane
for the filtration of: strong bases, alcohol, proteins, peptides
Polyethersulfone (PES) 0.22 µm 0.45 µm 1.0 µm 1.5 µm 5.0 µm
colour dark grey dark green      
8813C-PES-* * = 2 * = 4 - - -
8825C-PES-* * = 2 * = 4 - - -
           
PTFE membrane hydrophobic
for the filtration of: solvents, organic solvents, strong acids and bases and aromatic compounds
PTFE hydrophobic (P) 0.22 µm 0.45 µm 1.0 µm 1.5 µm 5.0 µm
colour blue yellow      
8804C-P-* * = 2 * = 4 - - -
8813C-P-* * = 2 * = 4 - - -
8825C-P-* * = 2 * = 4 - - -
           
Polyvinylidene Difluoride membrane
for the filtration of: alcohol, weak acid, proteins, peptides and other biomolecules
Polyvinylidene Difluoride (PVDF) 0.22 µm 0.45 µm 1.0 µm 1.5 µm 5.0 µm
colour black red      
8804C-PV-* * = 2 * = 4 - - -
8813C-PV-* * = 2 * = 4 - - -
8825C-PV-* * = 2 * = 4 - - -
      -    
Regenerated cellulose membrane
for the filtration of: proteins, peptides and other biomolecules
Regenerated cellulose (RC) 0.22 µm 0.45 µm 1.0 µm 1.5 µm 5.0 µm
colour   bown      
8804C-RC-* - * = 4 - - -
8813C-RC-* - * = 4 - - -
8825C-RC-* - * = 4 - - -
           
Cellulose acetate
for the filtration of: aqueous samples
Cellulose acetat (CA) 0.22 µm 0.45 µm 1.0 µm 1.5 µm 5.0 µm
colour   white      
8804C-CA-* - - - - -
8813C-CA-* - * = 4 - - -
8825C-CA-* - * = 4 - - -
Overview
Which porosity
Which membrane

Table of solvent compatibility

Yeti filter
Titan filter
Cronus filter
Polypropylene &
Glass syringes
Syringe valves
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