COSMOSPIN Filters offer an easy way for sample pre-treatment for HPLC. The easy to use filters remove unsolved particles, debris from the sample before injection into the HPLC system. The omnipore PTFE filters are available in two sizes:(0.2µ) and (0.45µ)

Application

Pre-treatment of samples for liquid chromatography.
Removal of unsolved particles and deposits from aqueous or other solvents.

COSMOSPIN Filters

Table of compatibility

Solvent	Compatible (Yes or No)	Solvent	Compatible (Yes or No)	Solvent	Compatible (Yes or No)
Acetone	Yes	Carbon Tetrachloride	Yes	Paraaldehyde	Yes
Acetonitrile	Yes	Dioxane	Yes	Pyridine	No
Ammonia (6%)	Yes	Cyclohexane	Yes	Phenol (5%)	Yes
Amyl Alcohol	Yes	Cyclohexanone	Yes	Phenol (10%)	Yes
Ether	Yes	Dichkoromethane	Yes	1-Propanol	Yes
Ethanol	Yes	Dimethylacetamide	Yes	Freon TF-PCA	Yes
Ethylene Glycol	Yes	Dimethylsulphoxide	Yes	2-Propanol	Yes
Sea Water	Yes	Dimethylformamide	Yes	Hexane	Yes
Hydrogen Peroxide (3%)	Yes	Developer Hypo	Yes	Benzyl Alcohol (1%)	Yes
Gasoline	Yes	Nitric Acid	Yes	Benzene	Yes
Xylene	Yes	Silicon Oil	Yes	Pentan	Yes
Glycerol	No	Ammonia Solution	Yes	Boric Acid	Yes
Chloroform	Yes	Petroleum Ether	Yes	Formaldehyde	Yes
Kerosene	Yes	Ethylene Glycol Monoethyl Etrher	No	Mineral Spirit	Yes
Acetic Acid (5%)	Yes	Tetrahydrofuran	No	Methanol	Yes
Acetic Acid (98%)	Yes	Trichloroethane	No	Methylisobutylketone	Yes
Pentil Acetate	Yes	Trichloroethylene	No	Methylethylketone	Yes
Isopropyl Acetate	Yes	Toluene	No	2-Methyl-1-propanol	Yes
Ethyl Acetate	Yes	Nitrobenzene	No	Sulfonic Acid	Yes

Product name	Sample Volume	“Hold up” volume	Max spin	Centrifuge rotor	Filter surface
COSMOSPIN Filter-G	0.4 ml	Less than 5 µl	5,000 No g	1.5ml (fixed angle type)	0.2 cm²
COSMOSPIN Filter-H	0.4 ml	Less than 5 µl	5,000 No g	1.5ml (fixed angle type)	0.2 cm²

Ordering information

Product name	Pore size (μm)	Color code	Code number	1 box contains
COSMOSPIN Filter-G	0.22	brown	06549-44	100 pieces
COSMOSPIN Filter-H	0.45	white	06540-34	100 pieces