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SAMPLE HANDLING |
SAMPLE PREPARATION
Syr inge Fi l ters
Syringe Filters
• Variety of filter types, porosities, and diameters.
• Color coded for easy identification.
• Polypropylene housing.
• Reusable storage container.
• Quantity break pricing, for greater savings.
Cut costs, not corners!
Top quality filters at low prices!
Free sample packs of syringe
filters are available by adding
-248 to the catalog number
when you call to place your
order.
FREE
Sample Packs
Available!
Price per 100-pack
Size
Porosity
Color
qty.
cat.#
1-4 packs
5-9 packs 10 or more packs
Cellulose Acetate
13mm 0.22µm green
100-pk.
26156
13mm 0.45µm blue
100-pk.
26155
25mm 0.22µm green
100-pk.
26158
25mm 0.45µm blue
100-pk.
26157
Nylon
13mm 0.22µm yellow 100-pk.
26146
13mm 0.45µm pink
100-pk.
26147
25mm 0.22µm yellow 100-pk.
26148
25mm 0.45µm pink
100-pk.
26149
PTFE (polytetrafluoroethylene)
13mm 0.22µm purple
100-pk.
26142
13mm 0.45µm orange 100-pk.
26143
25mm 0.22µm purple
100-pk.
26144
25mm 0.45µm orange 100-pk.
26145
PVDF (polyvinyldifluoride)
13mm 0.22µm brown
100-pk.
26150
13mm 0.45µm red
100-pk.
26151
25mm 0.22µm brown
100-pk.
26152
25mm 0.45µm red
100-pk.
26153
Syringe filters are for laboratory use only.
Membrane Selection Guide
Cellulose Acetate, Nylon, PVDF—hydrophilic applications
PTFE—hydrophobic applications, resistant to acids and bases, used mostly with nonaqueous samples
Membrane Properties
Applications
Incompatible with
Nylon
hydrophilic, chemically resistant,
low protein binding
bases, HPLC solvents, alcohols,
aromatic hydrocarbons
acids, aggressive halogenated
hydrocarbons, proteins
PTFE
hydrophobic,
temperature resistant
organic solvents, acids,
alcohols, bases, aromatics
don’t use with aqueous samples without
pre-wetting (to avoid high backpressure)
PVDF
hydrophilic, low protein binding
alcohols, acids, biomolecules
acids, bases, esters, ethers, ketones
Cellulose
Acetate
hydrophilic, chemically & temperature resistant
sterile applications, aqueous solutions
organic solvents
free
literature
Simplify Sample Prep and Protect Analytical
Equipment Using Syringe Filters
Download your free copy from
lit. cat.# GNFF1072
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
