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Carbon dioxide absorbent and determination method of carbon dioxide content

A carbon dioxide and measurement method technology, applied in the direction of using material absorption and weighing, etc., can solve the problems of prolonged measurement time, low results, and inability to clearly understand the absorption effect of soda asbestos, and achieve the effect of preventing waste

Inactive Publication Date: 2017-05-17
CHINA TEST & CERTIFICATION INT GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the absorption degree of carbon dioxide cannot be grasped by using alkali asbestos absorption, which causes a lot of inconvenience for the measurement.
Due to the different carbon dioxide content produced by the reaction of different samples, the absorption effect of soda asbestos on carbon dioxide cannot be clearly understood in the process of continuous absorption. Low, on the contrary, frequent replacement of soda asbestos will waste reagents, and each replacement of reagents will prolong the determination time

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Embodiment Construction

[0019] In order for those skilled in the art to understand the solution of the present invention, the solution of the present invention will be further elaborated below in conjunction with the preferred embodiments. It should be understood that the preferred embodiments are for explaining the solution of the present invention, not as a limitation of the protection scope of the present invention.

[0020] A carbon dioxide absorber, including soda asbestos and colored soda lime, wherein the mass fraction of soda asbestos is greater than 50%, the carbon dioxide absorber occupies about 3 / 4 of the volume in the U-shaped tube, and the moisture absorber occupies about 1 / 4 of the volume.

[0021] On the basis of the above scheme, the preferred scheme is given:

[0022] Preferably, the mass fraction of the soda lime is 75-85%.

[0023] Preferably, the particle size of soda asbestos is 1-2 mm.

[0024] Preferably, the colored soda lime has a diameter of Ф2-4mm and a length of 8-12mm. ...

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Abstract

The invention discloses a carbon dioxide absorbent and a determination method of carbon dioxide content, which belong to the field of chemical reagents. The carbon dioxide absorbent comprises alkali asbestos and non-ferrous soda lime, wherein the mass fraction of the alkali asbestos is larger than 50 percent. The carbon dioxide absorbent provided by the invention can accurately judge an absorbing terminal.

Description

technical field [0001] The invention relates to the field of chemical reagents, in particular to a carbon dioxide absorbent and a method for measuring carbon dioxide content. Background technique [0002] Many fields involve the determination of carbon dioxide content. The carbon dioxide absorption reagents are GB / T12960 "Quantitative Determination of Cement Components", GB / T218 "Determination of Carbon Dioxide in Coal", GB476-2008 "Determination of Carbon and Hydrogen in Coal", It is stipulated in a series of standards such as SY / T5116-1997 "Determination of Total Organic Carbon in Sedimentary Rocks". Such as the determination of carbon dioxide in cement, the content of limestone is determined by the content of carbon dioxide. [0003] The current common method is the determination of carbon dioxide using the soda asbestos absorption gravimetric method. The soda asbestos absorption gravimetric method uses phosphoric acid to decompose the sample, and the carbon dioxide rel...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/02
CPCG01N5/02
Inventor 王伟张庆华姜沣芮
Owner CHINA TEST & CERTIFICATION INT GRP CO LTD