Short torch design for direct liquid sample introduction using conventional and micro-nebulizers for plasma spectrometry
An apparatus and method for providing direct liquid sample introduction using a nebulizer are provided. The apparatus and method include a short torch having an inner tube and an outer tube, and an elongated adapter having a cavity for receiving the nebulizer and positioning a nozzle tip of the nebulizer a predetermined distance from a tip of the outer tube of the short torch. The predetermined distance is preferably about 2-5 mm.
1. A torch apparatus for providing direct liquid sample introduction using a nebulizer, comprising:
a short torch having an inner tube and an outer tube; and
an elongated adapter having a cavity for receiving the nebulizer and positioning a nozzle tip of the nebulizer a predetermined distance from a tip of the outer tube of the short torch.
2. The torch apparatus of claim 1 , wherein said predetermined distance comprises about 2-5 mm.
3. The torch apparatus of claim 1 , wherein said elongated adapter comprises a high temperature resistant material.
4. The torch apparatus of claim 3 , wherein said high temperature resistant material comprises Delrin.
5. The torch apparatus of claim 1 , wherein said short torch comprises borosilicate glass.
6. The torch apparatus of claim 1 , wherein said nebulizer comprises a High Efficiency Nebulizer (HEN).
7. The torch apparatus of claim 1 , wherein the nebulizer comprises a pneumatic nebulizer.
8. The torch apparatus of claim 1 , wherein the adapter has a closed end and an open end.
9. The torch apparatus of claim 8 , wherein said open end of said adapter is tapered.
10. The torch apparatus of claim 7 , wherein said open end of said adapter begins at a neck of said adapter.
11. The torch apparatus of claim 1 , wherein said torch short torch is shorter than a conventional torch.
12. A method of providing direct liquid sample introduction using a nebulizer, comprising:
providing a short torch having an inner tube and an outer tube; and
receiving the nebulizer via an elongated adapter having a cavity and positioning a nozzle tip of the nebulizer a predetermined distance from a tip of the outer tube of the short torch.
13. The method of claim 1 , wherein said predetermined distance comprises 2-5 mm.
14. The method of claim 1 , wherein said elongated adapter comprises a high temperature resistant material.
15. The method of claim 13 , wherein said high temperature resistant material comprises Delrin.
16. The method of claim 11 , wherein said short torch comprises borosilicate glass.
17. The method of claim 11 , wherein said nebulizer comprises a High Efficiency Nebulizer (HEN).
18. The method of claim 11 , wherein said nebulizer comprises a pneumatic nebulizer.
19. The method of claim 11 further comprising:
providing a closed end and an open end for said adapter.
20. The method of claim 18 further comprising:
tapering said open end of said adapter.