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Backing Strip and Scale
BacKing strip minimizeserror when reading
offscale
Bright white backing wrth black scale
markings on manual syringes for accurate
readingof the syringescale
Barrel
Made from borosilicate
glass for robustness and
sojvent resistance.
Back Flange
Shape provides stability
and prevents syringe
rolling away, made from
nickel plated brass to resist
fracture
Plunger Prot ection
Guides the plunger
Into the syringe.
Helps 10 prevent
plunger bending
Plunger
Stem
Plunger Button
Designed for easy
syringe use or to
fit
appropriate
autosampler
Color by volume on autosampler syringes
for easy identification of installed syringes
Technical
Information
Scale is sharp, clear and easy to read –
maximizesaccuracy and precision
Technical Information
I
SyringeTrouble Shooting
Syringe installed in autosamoler incorrectly
PoorReproducibility Incorrect syringeselection
Problem
Blocked Needles
Seized Plungers
Air Bubbles
Cause
Improper cleaning.
Inappropriateneedle selection.
Poor dispensing technique.
A build up of dirty samples.
Poor operator technique
Incorrect instrument set up
Needle tip not fully immersed in sampleor air being pulled
up fromsample byoperator technique
Solut ion
Refer to syringecleaning nos (page 7)
Refer to needle selectionguide (page 3).
Ensure correct injection techniquebeing followed
Ensure correct syringe cleaning procedures are being
followed (page 7).
EnsuresYringe Installed correctly
Refer to selection guide (page 1), the dispensed volume
should be greater than 10
%
of the entire syringe
cepacrty
Check that eachsample isbeing injected in the sameway
Check if any changes have been, or need to be made, to
your instrument or set up (septa, injection port liner, etc)
Repeatedly draw and expel sample whi le keeping needle
tip immersed
Turning the syringe upright whileexpelling thesamplemay
help in the removableof thebubble.
leakage around needledue to needle fitted incorrectly
Leakages
Slow down
Remove and refit the needle. Check seal is in place and
undamaged
No seal at plunger tip - plunqer tip damaged or worn due Replaceplunger assembly if using aPTFEtipped plunger.
to use or using syringe dry.
Ghost Peaks
Dirty needle
Between samples flush thesyringewithsolvent
5-20
times
(discard at least the first
2-3
washes)
Consider aheated syringe cleaner
15
10
G
Analytical Science
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Technical Information
I
Syringe St ructure and SyringeTrouble Shooting
Syringe Brilliance
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+61(0)3 97622034 Australian Distributors
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Importers
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Manufacurers
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ECI-lI71~I~g"y"PtYLtd
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E-mail :
t.au Tel: 03 9762 2034 • •• In AUSTRALIA
