Abstract: A device and apparatus for mixing and dispersing a solid and a liquid are provided. The device includes a powder pulverizing mechanism fixedly connected to a main shaft. The powder pulverizing mechanism is located in a powder feed chamber. The powder feed chamber is provided with a powder feed port. A liquid feed chamber is arranged on an outer side of the powder feed chamber. The liquid feed chamber is provided with a liquid feed port, and the liquid feed chamber is provided therein with a dispersing mechanism fixedly connected to the main shaft. A lower portion of the liquid feed chamber and a lower portion of the powder feed chamber are separately in communication with an upper portion of a mixing chamber. The mixing chamber is provided therein with an impeller fixedly connected to the main shaft.

Abstract: An ion optical apparatus and a mass spectrometer are provided. The ion optical apparatus includes at least one planar insulating substrate which is covered with metal patterns to form an electrode array including a plurality of cell electrodes, wherein each of the cell electrodes is arrayed according to a first direction to form a geometric pattern distribution of the electrode array, wherein cell electrodes are applied with radio frequency (RF) voltages having different phases to confine ions, a direct current (DC) voltage gradient is applied along at least part of the cell electrodes in the electrode array to drive ions to move in the first direction along the electrode array, and a corresponding electric field distribution is formed by the geometric pattern distribution to drive ions to move in a second direction substantially orthogonal to the first direction, thereby realizing ion deflection, focusing or defocusing.

Abstract: The disclosure relates to an ionization and ion introduction device for a mass spectrometer. The device includes an ionization source chamber at a pressure below atmospheric pressure; at least one ionization source, which is arranged in the ionization source chamber; at least one ion focusing guide chamber, which is arranged to guide ions into a mass analysis device chamber connected therewith; at least one transfer chamber at pressure below atmospheric pressure, which is located between the ionization source chamber and the ion focusing guide chamber, comprising an inlet interconnected to the ionization source chamber and an outlet interconnected to the ion focusing guide chamber, wherein the air pressure of the transfer chamber is lower than that of the ionization source chamber but higher than that of the ion focusing guide chamber.

Abstract: An ion optical apparatus and a mass spectrometer are provided. The ion optical apparatus includes at least one planar insulating substrate which is covered with metal patterns to form an electrode array including a plurality of cell electrodes, wherein each of the cell electrodes is arrayed according to a first direction to form a geometric pattern distribution of the electrode array, wherein cell electrodes are applied with radio frequency (RF) voltages having different phases to confine ions, a direct current (DC) voltage gradient is applied along at least part of the cell electrodes in the electrode array to drive ions to move in the first direction along the electrode array, and a corresponding electric field distribution is formed by the geometric pattern distribution to drive ions to move in a second direction substantially orthogonal to the first direction, thereby realizing ion deflection, focusing or defocusing.