Specifications
51
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•
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GENERAL SUPPLIES
LC Tubing and Fittings
What is the Function of LC tubing?
LC tubing creates the sample flow path through your LC system –
from the autosampler or manual injection valve … through
t
he column … to the detector. The ideal tubing provides an
inert surface and leak-free connections, while eliminating
dead volumes.
What advantages does Agilent tubing offer?
Agilent stainless steel and PEEK tubing each
provide their own unique benefits:
●
Universal Length Stainless Steel Tubing – is precisely measured
and pre-cut according to Agilent’s exact specifications.
Additionally
, Agilent 1100 capillary tubing is color-coded based
on internal diameters.
●
1/16″ OD PEEK Tubing – is flexible and easy to cut to desired
lengths. It’s also color-coded for easy tracking. Additionally
PEEK tubing accepts both stainless steel and PEEK fittings.
When should I replace the LC tubing?
You should inspect your system periodically,
and replace the tubing when you notice …
●
Leaking or loose fittings.
●
Pinched or constricted tubing.
●
Application changes.
How can I minimize problems with my LC tubing?
●
Choose the narrowest diameter and shortest length that your
application and system will allow. This will help prevent peak
d
ispersion or resolution loss.
●
Select smaller id tubing (0.12 mm) for narrowbore
o
r microbore applications.
●
Use color-coded tubing – or keep track of identifying
characteristics – to facilitate maintenance and troubleshooting.
How do I choose the correct fittings?
To ensure leak-free connections – and to prevent the loss
of peak shape and resolution – always use the manufacturer’s
recommended fittings with columns, valves, and unions.
Additionally, keep the following tips in mind:
●
Different columns have different fitting requirements.
(For example, Zorbax columns use standard Swagelok fittings).
●
Agilent 1100 modules use standard Swagelok fittings.
●
Rheodyne injection valves require Rheodyne fittings.
PEEK Tubing
8710-1930
Length (m) ID (mm) Color Code Part No. Price ($)
1.5 0.50 Orange 0890-1761 17
1.5 0.25 Blue 0890-1762 17
5 0.25 Blue 5042-6463 49
1.5 0.18 Yellow 0890-1763 21
5 0.18 Yellow 5042-6462 55
1.5 0.13 Red 0890-1915 25
5 0.13 Red 5042-6461 64
Description Part No. Price ($)
Plastic tubing cutter 8710-1930 31
Blades for tubing cutter 5/PK 8710-1931 12