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Syringe for On-Column Injection, Stainless Steel Fixed Needle

volume 10 μL, 701SN, for use with Carlo Erba Injectors, size 32 ga (blunt tip), needle L 7.5 cm



Related Categories Analytical/Chromatography, GC Manual Syringes, Hamilton On-Column, Special Purpose Syringes, On-Column Injection, Fixed Needle Microliter Syringes, Syringes and Syringe Accessories More...
material   blunt tip stainless steel needle (point style 3)
size   32 ga (blunt tip)
feature   blunt tip
packaging   pkg of 1 ea
mfr. no.   Hamilton, 80351
needle L   7.5 cm
volume   10 μL
compatibility   for use with Carlo Erba Injectors


General description

On-Column injection is generally performed to avoid vaporization of samples. This method involves injecting the cold sample directly on the column. Using retention gaps allows autosamplers to use on-column sample injection method. In this system, a 32-gauge needle is inserted in a cool narrow bore injection valve and then into capillary column.

The fixed needle design of this Hamilton syringe minimizes dead volume. Stainless steel needle, 12.5 cm (for Agilent/HP injectors) or 7.5 cm (for Carlo Erba injectors) × 0.24 mm O.D. (32 ga.), 90° tip. Use with 0.32 mm I.D. or larger columns.


It may be used in a study done to understand the variations of capillary on-column fixed needle injection system in gas chromatography.

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