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On-line digestion and detection apparatus for total nitrogen content in solution

A detection device and digestion device technology, applied in the preparation of test samples, color/spectral characteristic measurement, light guide, etc., can solve the problems of measurement accuracy impact and practical application limitation, and achieve simple operation, fast measurement speed, fast and accurate The effect of online measurement

Active Publication Date: 2011-05-25
CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it still needs to use a sealed pressure vessel, and the operation process has a great impact on the measurement accuracy, which limits the practical application of this technology in online measurement

Method used

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  • On-line digestion and detection apparatus for total nitrogen content in solution
  • On-line digestion and detection apparatus for total nitrogen content in solution
  • On-line digestion and detection apparatus for total nitrogen content in solution

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] like figure 1 and figure 2 As shown, the online digestion and detection device of the total nitrogen content in the solution of the present invention includes a light source 1, a digestion device 2, a condensation reflux device 3, a sampling detection mechanism 4 and a light guide rod, and the top of the digestion device 2 and the condensation reflux device 3 Connected, the outer surface of the digestion device 2 is equipped with a heating device, the light guide rod is inserted in the digestion device 2 and the condensation reflux device 3, the upper end of the light guide rod corresponds to the detection disc 401 of the sampling detection mechanism 4, and the light guide rod The lower end of corresponds to the light source 1. In this embodiment, the light guide rod includes a light guide rod emitting unit 501 and a light g...

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Abstract

The invention discloses an on-line digestion and detection device for total nitrogen content in a solution, which comprises a light source, a digestion device, a reflex condenser, a sampling detection mechanism, and a light guide stick, wherein a top end of the digestion device is connected with the reflex condenser; the outer surface of the digestion device is provided with a heating device; thelight guide stick is inserted into the digestion device and the reflex condenser; the upper end of the light guide stick corresponds to a detection disk of the sampling detection mechanism, and the lower end of the light guide stick corresponds to the light source. The invention is the on-line digestion and detection device for the total nitrogen content in the solution which has a simple and compact structure, low cost, simple and convenient operation, high measurement accuracy, and quick measurement speed.

Description

technical field [0001] The invention mainly relates to the field of detection equipment for nitrogen content in a solution, in particular to an online digestion and detection device for total nitrogen content in a solution. Background technique [0002] In the fields of environmental protection, food, medicine and health, etc., it is often necessary to measure the nitrogen content or protein content of the material. The general practice is to first convert the material into a liquid phase, and then convert all the nitrogen in the liquid phase sample into nitrate ions ( NO 3 - ), through the mensuration of nitrate ion concentration, calculate the total nitrogen content in the material to be tested, its reaction principle is as follows: [0003] In an aqueous solution above 60°C, potassium persulfate can be decomposed to produce potassium bisulfate and atomic oxygen. At 120-124°C, atomic oxygen converts the nitrogen of nitrogen-containing compounds in water samples into nit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/33G01N1/28G02B6/00
Inventor 何劲松谭自强唐浪王强蒋晓云
Owner CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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