Inductively coupled plasma mass spectrometry device

Details Inductively coupled plasma mass spectrometry device Inductively coupled plasma mass spectrometry device

1993-04-13

1994-08-02

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

With sample supply means

31511181, B01D 5944, H01J 4900

Patent

active

053348346

ABSTRACT:
A structure for enabling control of the plasma potential of an ICP-MS. The structure includes: a shield plate 10 made of metal inserted between a plasma torch 1 and a high-frequency coil 2, a variable capacitor 11 connected between the shield plate 10 and ground, and an insulation member 15 is arranged to prevent contact of the high-frequency coil 2 with the shield plate 10. Even if a sample is introduced into ICP by any known method, it becomes capable to perform ICP-MS analysis while optimizing the response to interfering ions and detection sensitivity.

REFERENCES:
patent: 4629887 (1986-12-01), Bermier
patent: 4804838 (1989-02-01), Miseki
patent: 5068534 (1991-11-01), Bradshaw

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