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Acid removing device and acid removing system

A heating device and condensation device technology, applied in the field of analytical chemistry, can solve the problems of sample loss, complicated operation, pollution, etc., and achieve the effects of strong versatility, loss reduction, and labor saving.

Pending Publication Date: 2020-10-16
广西壮族自治区亚热带作物研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is that the existing electrothermal and vacuum acid removal methods use the bottom heating method to heat the sample to boiling during the acid removal process, which will easily cause sample loss or contamination, and the vacuum acid removal method requires a special supporting device , cumbersome operation, time-consuming, easy to cause defects such as reflux, and then provide an acid removal device and acid removal system

Method used

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  • Acid removing device and acid removing system

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Effect test

Embodiment 1

[0047] This embodiment provides an acid catching device, such as figure 1 As shown, it includes a box body 3, the box body 3 is provided with an acid gas outlet 14, a transparent glass window 5 is arranged on the top of the box body 3, and an infrared heating device 4 is arranged outside the box body 3. , and is located on the upper part of the transparent glass window 5 , so that the infrared light emitted by the infrared heating device 4 enters the inside of the box 3 through the transparent glass window 5 to heat the acid-containing solution inside the box 3 .

[0048] Further, it also includes an acid-resistant coating 6, which is arranged on the lower surface of the transparent glass, and infrared light can enter the box 3 through the acid-resistant coating 6; and a temperature control device 1, which is arranged on the box. 3. In addition, the temperature sensing device 2 is arranged on the box body 3 or inside the box body 3, and the temperature control device 1 is resp...

Embodiment 2

[0050] This embodiment provides an acid rushing system, such as figure 1 As shown, including the acid rushing device described in Embodiment 1, and also including the acid gas condensing device 8, the acid gas recovery device and the vacuuming device 13 that are connected in sequence, and the air inlet of the acid gas condensing device 8 is connected with the described acid gas condensing device 8. The acid gas outlet 14 of the tank 3 is communicated. Further, the acid gas recovery device includes a liquid acid collection device 9, an acid gas absorption device and an anti-suckback device 12 that are communicated successively, and the inlet of the liquid acid collection device 9 and the outlet of the acid gas condensation device 8. The gas port is connected, and the gas outlet of the anti-suckback device 12 is communicated with the vacuum device 13; the acid gas absorption device includes a first acid gas absorption bottle 10 and a second acid gas absorption bottle 11, the fir...

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Abstract

The invention belongs to the technical field of analytical chemistry, and particularly relates to an acid removing device and an acid removing system. The acid removing device provided by the invention comprises a box body provided with an acid gas outlet, and further comprises a transparent glass window arranged at the top of the box body and an infrared heating device arranged outside the box body and positioned at the upper part of the transparent glass window, so that infrared light emitted by the infrared heating device penetrates through the transparent glass window to enter the box bodyso as to heat an acid-containing solution in the box body. The acid removing device provided by the invention can greatly reduce the loss of target components of a sample, does not need to perform one-by-one sealing operation on each container filled with a sample digestion solution, saves time and labor, is simple and convenient to operate, and can realize batch operation.

Description

technical field [0001] The invention belongs to the technical field of analytical chemistry, and in particular relates to an acid rushing device and an acid rushing system. Background technique [0002] Acid rush is a commonly used sample pretreatment technique. It mainly removes acid components by evaporation of acid-containing sample digestion solution that has been digested into a solution, and retains the target components of the sample. The electric heating acid rushing device uses electric heating to rush acid, and is a common equipment in chemical laboratories; the electric heating acid rushing mainly uses an electric heater to heat the open container, and the sample digestion solution in the open container is heated to boiling, and the acid gas produced is from The open mouth of the container is volatilized to drive off the acid. [0003] In recent years, the vacuum acid rush method has been gradually developed. Because it is convenient for acid gas recovery and mor...

Claims

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Application Information

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IPC IPC(8): G01N1/44B01D1/00B01D1/30
CPCB01D1/0029B01D1/30G01N1/44
Inventor 甘志勇
Owner 广西壮族自治区亚热带作物研究所
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