| 主权项 |
1. An atomic absorption spectrometer, comprising:
a flame atomization device, the flame atomization device comprising a flame atomizer; a hydride generation device, the hydride generation device comprising a hydride atomizer; a graphite furnace atomization device, the graphite furnace atomization device comprising a graphite furnace atomizer; and an adjustment mechanism, wherein an axis of the flame atomizer, an axis of the hydride atomizer, and an axis of the graphite furnace atomizer are adjusted by the adjustment mechanism to coincide with an optical axis of a light source and detector combination, wherein the hydride generation device comprises at least two base plates matching with each other to form a seal structure; the base plates are provided with grooves; and the grooves comprise a plurality of functional zones which are connected to form an integrated hydride generation device, wherein the functional zones comprise zones for accommodating a dispenser, a reactor, a carrier pump, a sample pump, a reductant pump, and an auxiliary gas pump, respectively; the dispenser and the reactor are disposed on a first base plate in the form of the grooves; the first base plate is further provided with a sample inlet, a reductant inlet, a carrier inlet, a working gas interface, and a pinch valve interface; the carrier pump, the sample pump, the reductant pump, and the auxiliary gas pump are disposed on a second base plate in the form of the grooves; the second base plate is further provided with a gas-liquid separator, an effluent outlet, and a hydride outlet; the first base plate is clasped on the second base plate; the grooves arranged on the base plates communicate through corresponding vias; and the first base plate is provided with a sealing cover. |
