164
Filters & Frits
MicroTight
Tubing Sleeve
(not included)
F-172
Ferrule
PEEK Spacer
Replaceable Frit
Tubing Seal
Ferrule Assembly
Filter “Body“
Holder
P-416
Nut
M-500
Precolumn MicroFilter Assembly
(Includes indicated products)
Adjusts to
port depth
MicroTight
Tubing Sleeve
(not included)
F-125
Micro Fingertight
M-120
Filter End
Fitting
PEEK Frit
M-520
Inline MicroFilter
Assembly
PrecolumnMicroFilters
Direct connects to columns with 10-32 threads
Total void volume of 0.5 µL
Two versions: direct connect 1/16” OD tubing or use MicroTight
tubing sleeves for 70 – 520 µm OD capillary tubing
The Precolumn MicroFilters directly connect into your microbore or
analytical column. Total theoretical void volume is only 0.5 µL (includes
frit volume) and the PEEK tubing used in the assembly of these units
has a 0.005” (125 µm) ID, virtually eliminating any mixing of the sample
with the mobile phase.
InlineMicroFilters
100% biocompatible PEEK
™
polymer option available
As low as 109 nL void volume
Two versions: direct connect 1/32” OD tubing or use MicroTight
®
tubing sleeves for 70 – 520 µm OD capillary tubing
Upchurch Scientific
®
Inline MicroFilters protect your column from
particles originating in the mobile phase or sample, or from pump
seal and sample injection valve wear. These filters have a 0.006”
(150 µm) thru-hole. Choose the M-520 with a 0.5 µm 100% PEEK frit
or the M-135 1 µm stainless steel fltering screen version, to connect
to capillary tubing using the MicroTight tubing sleeves (page 19).
Youmay also directly connect 1/32” OD tubing using theM-525 which
contains a 0.5 µm PEEK frit.
M-525
Inline MicroFilter
Assembly
MicroFilters
The Mini MicroFilter (page 165) and Inline MicroFilter can be used to pack
capillary tubing. Simply place one of these flters on the effuent side of the
capillary tubing, then slurry pack. Once packed, place a flter at the head
of the tubing. This creates a reliable capillary column without fusing the
silica to make frits or pressing flter paper inside the capillary tubing.
Application Note
Part No. Description
Porosity For Tubing Size
Includes
Swept Volume* Pressure Rating Qty.
Inline MicroFilterS
M-135
Inline MicroFilter Assembly, SST Screen
1 µm MicroTight Tubing Sleeve
(5) M-130, (2) F-125
109 nL
4,000 psi (276 bar) ea.
M-520
Inline MicroFilter Assembly, PEEK Frit
0.5 µm MicroTight Tubing Sleeve
(5) M-120, (2) F-125
240 nL
4,000 psi (276 bar) ea.
M-525
Inline MicroFilter Assembly, PEEK Frit
0.5 µm
1/32" OD
(5) M-140, (2) F-126
240 nL
4,000 psi (276 bar) ea.
Replacement Inline MicroFilter End-Fittings
M-120x End-Fittings, Black, with PEEK Frit
0.5 µm MicroTight Tubing Sleeve N/A
216 nL
N/A
10-pk
M-130x End-Fittings, Natural, with SST Filter Screen 1 µm MicroTight Tubing Sleeve N/A
85 nL
N/A
10-pk
M-140x End-Fittings, Natural, with PEEK Frit
0.5 µm
1/32" OD
N/A
216 nL
N/A
10-pk
Precolumn MicroFilter Assemblies
M-500 Precolumn MicroFilter Assembly, SST Frit
0.5 µm MicroTight Tubing Sleeve
(5) C-425, (1) F-172, (1) P-416
0.5 µL
4,000 psi (276 bar) ea.
M-510 Precolumn MicroFilter Assembly, PEEK Frit 0.5 µm MicroTight Tubing Sleeve
(5) A-735, (1) F-172, (1) P-416
0.5 µL
4,000 psi (276 bar) ea.
M-550 Precolumn MicroFilter Assembly, SST Frit
0.5 µm
1/16" OD
(5) C-425, (1) F-132, (1) P-416
0.5 µL
4,000 psi (276 bar) ea.
M-560 Precolumn MicroFilter Assembly, PEEK Frit 0.5 µm
1/16" OD
(5) A-735, (1) F-132, (1) P-416
0.5 µL
4,000 psi (276 bar) ea.
REPLACEMENT Precolumn MicroFilter Frits (Frit Diameter x Frit Thickness x Overall Diameter)
A-735x PEEK Frits, 0.045” x 0.031” x 0.192”
0.5 µm N/A
N/A
216 nL
N/A
10-pk
C-420x SST Frits, 0.038” x 0.028” x 0.192”
2 µm N/A
N/A
101 nL
N/A
10-pk
C-425x SST Frits, 0.038” x 0.028” x 0.192”
0.5 µm N/A
N/A
101 nL
N/A
10-pk
SST = Stainless Steel
* Swept volumes include/refect theoretical frit volume values.
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