Description
Torch – 1 Piece – Organics – Wear Metals – 550-22W
Part Number:
PG550-22W
Cross Reference(s)
None Available
Instrument Compatibility:
Teledyne / Leeman Labs Profile Radial Series
Detail:
Quartz, 1 Piece, 1.0mm ID Injector, 12/5 Ball Joint, Organics, Wear Metals.
No Fittings or Tubing Included
Purchase Fittings and Tubing PG550-23
What is the Role of the ICP Torch?
A plasma is an ionized gas, consisting of positively charged ions and free (unbound) electrons. The role of the plasma (ICP) in ICP-MS is to ionize the sample. In contrast to so-called ‘soft’ ionization sources in other forms of mass spectrometry, the ICP is a ‘hard’ ionization technique because it completely atomizes most molecules in the sample.
ICP-MS instruments use an argon plasma, although helium plasma is also an option. Although there are several advantages to using helium, argon is the gas of choice since the cost of helium is prohibitive.
Features of Torch – 1 Piece – Organics – Wear Metals
Single Piece Torch
Single-piece inductively coupled plasma (ICP) torches have narrow bore injectors (1.0 mm or 1.5 mm) designed to improve plasma stability and reduce plasma loading when used with organic solvents. They are the least expensive type of torch to buy initially, but they are also the least versatile and must be replaced entirely if any component is damaged. Single-piece torches can also be expensive consumables that require regular maintenance and replacement, especially when used with aggressive sample matrices like hydrofluoric acid, organic solvents, and high total dissolved solids.
Organics
In an ICP torch, organics refers to non-water-soluble organic solvents. ICP-OES instruments can analyze organic solvents directly, without dilution, at room temperature. As a result, this simplifies the analysis of petrochemical samples, since many dissolve in solvents like kerosene, xylene, methanol, or ethanol.
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