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Single photoelectric tube five-channel atomic absorption spectrometer

An atomic absorption, five-channel technology, applied in the direction of color/spectral characteristic measurement, instruments, scientific instruments, etc., can solve the problems of high manufacturing cost, complex structure, large circuit board size of the main board, etc., and achieve simple production, small size, saving effect of space

Inactive Publication Date: 2015-08-26
SHANGHAI BORTON MEDICAL EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simultaneous analysis of 5 elements requires 5 photomultiplier tubes, and 5 sets of negative high-voltage circuits and detection circuits, so the main board circuit board is large in size and complex in structure, and the manufacturing cost is high

Method used

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  • Single photoelectric tube five-channel atomic absorption spectrometer
  • Single photoelectric tube five-channel atomic absorption spectrometer

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0014] Such as figure 1 as shown,

[0015] A single photocell five-channel atomic absorption spectrometer, comprising a hollow cathode lamp 1, a first concave reflector 2, a flame center 3, a slot-entry concave reflector 4, a slot-entry seat 5, a flat-field concave grating 6, and a slot-out reflection mirror 8 and photomultiplier tube 9; the hollow cathode lamp 1, the concave surface reflector 4 of the seam entry, the s...

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Abstract

The invention discloses a single photoelectric tube five-channel atomic absorption spectrometer, which includes a main light plate, the main light plate comprises a hollow cathode lamp, a first concave mirror reflector, a flame center, an into-seam concave mirror reflector, an into-seam seat, an into-seam light shading plate, a flat field concave grating, a MgFe door bracket and a photomultiplier tube; a Mg and Fe sharp line control spectrum light door is installed on the MgFe door bracket, and a Ca, Cu and Zn three element sharp line control spectrum light door is installed on a concave grating Rowland circle determined by the flat field concave grating. By use of one photomultiplier tube to replace five photomultiplier tubes and a matched negative high voltage circuit and a detection circuit in the prior art, the single photoelectric tube five-channel atomic absorption spectrometer is simple to make, low in cost, small in size and simple in structure. A horizontal spectrum light door is used for Ca, Cu and Zn, a vertical spectrum light door is used for Mg and Fe, and the space is saved by layering installation of the light doors.

Description

technical field [0001] The invention relates to the technical field of atomic absorption in analytical chemistry, in particular to a single photocell five-channel atomic absorption spectrometer. Background technique [0002] At present, the photoelectric conversion element used in the known concave grating five-channel spectrometer is a photomultiplier tube. Simultaneous analysis of 5 elements requires 5 photomultiplier tubes, and 5 sets of negative high-voltage circuits and detection circuits. Therefore, the main board circuit board is large in size and complex in structure, and the manufacturing cost is high. Contents of the invention [0003] In order to solve the above-mentioned problems in the prior art, the object of the present invention is to provide a single photocell five-channel atomic absorption spectrometer with simple structure, small volume, convenient manufacture and low cost. [0004] In order to achieve the above object, the technical scheme adopted in t...

Claims

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Application Information

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IPC IPC(8): G01N21/31G01N21/01
Inventor 李响球张榕
Owner SHANGHAI BORTON MEDICAL EQUIP CO LTD
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