Hamilton liquid handling syringe selection
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Hamilton Liquid Handling
Hamilton Syringe Selector
Liquid Sample
Syringe Size 600 Series 700 Series 800 Series 900 Series 7000 Series 1000 Series 1700 Series 1800 Series
0.5µL - 5µL            
2.5µL - 5µL                
5µL - 10µL              
5µL - 250µL            
10µL - 250µL            
10µL - 500µL            
1mL - 100mL              
Gas Sample
5µL - 250µL            
10µL - 500µL              
1mL - 100mL              
Special Syringes
Syringe Size TEFLON Coated Needle Syringes Constant Rate Syringes Short Stroke Syringes Carbon Analyser Syringes Adjustable Gel Loading Syringes Purge and Trap Syringes ML600 Syringes Repeating dispenser
0.2µL - 50µL            
10µL - 50mL            
10µL - 500µL          
20µL - 200µL            
50µL - 250µL          
5mL - 25mL              
Syringes Accessories Sampling Valve   |   Septum Adapter   |   Removable (RN) Adapters   |   Needle Cleaning Kit

Syringe Type

Key to selecting the right syringe for your application is to identify your sample type and determine the smallest volume to be dispensed or injected. Hamilton offers two types of syringes, GASTIGHT and MICROLITER, which differ in the design of the plunger.

GASTIGHT Syringes for Gases and Liquids

GASTIGHT syringes have a precision-machined PTFE plunger tip which creates a leak-free seal. With the tight fit, the tip essentially wipes the interior of the syringe barrel free of sample. This feature is particularly useful with heterogeneous samples as it reduces the chance that a deposit will occur and cause the plunger to freeze.

The GASTIGHT series still requires careful and regular cleaning to minimize deposits on the glass which might score the soft PTFE plunger tip and resulting in a leak. Replacement plunger assemblies are available for GASTIGHT syringes. However, a replacement plunger should not be put into a barrel which still contains deposits because the new plunger tip is likely to be scored by the deposit after only a few strokes. It is important to remember that over time, the increased friction created by the tight seal may cause the PTFE tip to wear out and the plunger will have to be replaced.
  MICROLITER Syringes for Liquids

MICROLITER syringes incorporate a hand-fitted stainless steel plunger with a finely bored syringe barrel. These syringes are ideal for homogenous samples that are not prone to precipitation or bonding with glass.

Under the proper conditions, plunger wear is minimal and the life of a MICROLITER syringe is almost unlimited. However, when using heterogeneous solutions with a MICROLITER syringe, the user must be especially diligent about cleaning the syringe after each use. For more information, see our Guide to Maintaining and Using Hamilton Syringes.

In some cases, even diligent cleaning is not sufficient and the barrel will become soiled. The deposits on the glass will compromise the tight tolerances between the glass and the plunger resulting in a frozen plunger. Plungers for MICROLITER syringes cannot be interchanged or replaced if damaged. For heterogeneous solutions, a GASTIGHT syringe is the best option.