Page 208 - Shimadu Consumables Catalog
P. 208

Syringe



           Syringe Selection Guide
           If a syringe is being used by hand, a manual syringe should be selected. If a syringe is installed in an AOC autosampler, then choose
           the appropriate syringe and volume to suit your instrument and application.
           Syringe Style

           Fixed Needle                                      Removable Needle






           • Better option for experienced users or for applications requiring   • Better option for inexperienced users
            trace sample levels                              • Reduce cost if used in precipitation of salts or in situations in
           • Recommended for use with an autosampler because the   which it may bend easily (such as thick septum ) Available for
            probability of needle bending is minimal          many methods by changing needles
           • Minimal sample carryover
           Gas Tight







           • For Luer Lock needles and fittings
           • Specifically designed to install and secure Luer Lock needles easily


           Needle Tip Style
           Cone: Autosampler                                 Bevel: Manual Injection





           The cone-shaped needle tip is specially developed to withstand   The standard general-purpose needle tip style supplied with many
           multi- injection demands and improve septum lifetime when used   syringes is a 20 ° bevel tip. It is the preferred option for manual
           with an autosampler. The cone design effectively “parts” the sep-  injection when piercing the septum in exactly the same place is
           tum during piercing instead of cutting it, as would a bevel needle.   difficult. The bevel tip is designe d for optimum septum penetra-
                                                             tion and prevention of septum coring.

           Side Hole Dome






           Samples are filled and dispensed through the side hole , eliminat-
           ing septum plugging of the needle. Ideal for large-volume gas
           injections. The solid domed tip minimizes septum damage.


           Plunger Style

           PTFE Tipped Plunger
                                                             • PTFE Tip enables gastight analysis
                                                             • Suitable for both liquid and gas samples
                                                             • Ideal for analysis of highly viscous liquid because it reduces the possibility
                                                              of the plunger sticking due to micro particles (samples should have no
                                                              effects with PTFE)
                                                             • Plunger is replaceable






         Pg C-58
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