1
Getting Familiar with Your TriPlus RSH
LS Tool
Thermo Scientific
TriPlus RSH User Guide
21
The Tools are branded by the factory for the basic configuration, which means:
• Tool Type as Liquid Syringe (LS), Headspace (HS), and SPME.
• Tool internal diameter to accept Syringe Glass Barrel with defined outer diameter, for
example: 6.6 or 7.7 mm.
• Length of Needle or distance for Needle Guide.
Any syringe with the same characteristics can be inserted in the tool with the described
preconditions. Labels for the various syringe types are provided. See the example in
.
LS Tool
The LS Tool is used for liquid or gaseous samples but not for the headspace technique.
Syringes with a metallic plunger are used typically for the gas chromatographic technique
where ideally organic solvents, such as alkanes, ketones, esters, or alcohols, are used.
Table 3.
Some Examples of Labels Description
Label
Description
LS 10 μL; NL57
Liquid Syringe Tool
Syringe Volume: 10 μL; 57 mm Needle Length
LS 10 μL: NL85
Liquid Syringe Tool
Syringe Volume: 10 μL; 85 mm Needle Length
HS 2500 μL; NL65
Headspace Tool
Syringe Volume: 2500 μL; 65 mm Needle Length
SPME 1
SPME Tool
SPME 1-1: 10 mm Fiber Length
SPME 1-2: 20 mm Fiber Length
SPME 2
SPME 2 Tool
SPME 2-1: 10 mm Fiber Length
SPME 2-2: 20 mm Fiber Length
Note
Needle Length is defined as free standing needle length. The usable length is 12 mm
less than the needle length as specified (Needle Guide).
Note
This plunger type is not recommended for sample solutions which contain matrix
particles, or a solvent which does not form a solvent film in between the syringe plunger
and the glass barrel surface. The metal can bite into the glass which will destroy the
plunger.
Examples of critical solvents to watch out for are mixtures of water and an organic solvent
as water and ethanol, or DMSO (dimethyl sulfoxide).
For such applications, we recommend using a syringe with a polymer plunger.
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