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www.restek.comSAMPLE HANDLING |
SAMPLE PREPARATION
Sample Filtration
Patent No. 7,790,117
Thomson SINGLE StEP® Filt r Vials
• Easy-to-use vials offer fast sample filtration and
require only a squeeze of your fingers.
• Color-coded caps allow easy identification of 0.2 μm
or 0.45 μm membranes in PVDF, PTFE, PES, or nylon.
• Pre-slit PTFE/silicone caps help eliminate broken autosampler needles and cored
septa.
• Low dead volume units feature rugged polypropylene vial and insert with 450 μL
loading capacity.
• Fit most standard 12 x 32 mm autosamplers, including UHPLC instruments.
NEW!
Porosity
Color
qty.
cat.#
price
Nylon
0.2 µm
black cap
100-pk.
25891
0.45 µm
pink cap
100-pk.
25892
PES (polyethersulfone)
0.2 µm
grey cap
100-pk.
25897
0.45 µm
orange cap
100-pk.
25898
PTFE (polytetrafluoroethylene)
0.2 µm
green cap
100-pk.
25893
0.45 µm
blue cap
100-pk.
25894
PVDF (polyvinyldifluoride)
0.2 µm
red cap
100-pk.
25895
0.45 µm
yellow cap
100-pk.
25896
Now available in
convenient 100-pks.
Simply squeeze particulates and contaminants
out of your sample!
25891 25892
25897 25898
25893 25894
25895 25896
Solvent / Mobile Phase
HOUSINGS
FILTERS
PP
(poly-
propylene)
PTFE
(polytetra-
fluoro-
ethylene)
PVDF
(poly-
vinylidene
fluoride)
PES
(polyether
sulfone)
NYL
(nylon)
Acetic Acid (glacial)
acid,organic
L
R
R
R
N
Acetone
ketone
R
R
N
N
R
Acetonitrile (ACN)
nitrile
R
R
L
N
R
Alconox, 1%
surfactant/detergent
L
L
L
L
L
Ammonium Hydroxide
caustic
L
R
R
N
L
Ammonium Sulfate (saturated)
salt,aqueoussolution
R
R
N
L
R
Amyl Acetate
ester
L
R
R
R
L
Amyl Alcohol
alcohol
R
R
R
R
L
Benzene
HC,aromatic
N
R
R
N
R
Benzyl Alcohol
HCaromatic/alcohol
N
R
R
L
L
Boric Acid (aqueous solution)
acid, inorganic
R
R
L
R
R
Butyl Acetate
ester
L
R
L
N
R
Solvent / Mobile Phase
HOUSINGS
FILTERS
PP
(poly-
propylene)
PTFE
(polytetra-
fluoro-
ethylene)
PVDF
(poly-
vinylidene
fluoride)
PES
(polyether
sulfone)
NYL
(nylon)
Butyl Alcohol
alcohol
R
R
R
R
R
Carbon Tetrachloride
HC,halogenated
N
R
R
N
L
Cellosolve (ethyl)
glycolether
R
R
L
R
R
CHAPS (aqueous solution)
surfactant/detergent
L
L
L
L
L
Chloroform
HC,halogenated
N
R
R
N
N
Cyclohexanone
ketone
N
R
N
N
R
Diethyl Pyrocarbonate, 0.2%
carboxylicanhydride
L
L
L
L
L
Dimethyl Sulfoxide (DMSO)
sulfoxide
R
R
N
N
R
Dimethylacetamide
amide
R
R
N
N
N
Dimethylformamide
amide
R
R
N
L
R
Dioxane
ether
R
R
R
L
R
Ethers
ether
N
R
R
L
R
Most solvents and mobile phases used in liquid chromatography are also compatible with SINGLE StEP® filter vials.
Continued on next page
Filt r Vials Compatibility Chart