Carbon dioxide content determination apparatus

A carbon dioxide and measuring device technology, which is applied in the preparation of test samples and the absorption and weighing of substances, can solve the problems of large weight, cumbersome purification steps, and measurement errors, so as to avoid measurement errors, reduce measurement costs, and ensure accuracy. sexual effect

Inactive Publication Date: 2015-03-11
武汉钢铁有限公司
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Problems solved by technology

The method uses a lengthy test setup that undergoes tedious purification steps prior to determination to prevent interference from air and other elements
The carbon dioxide absorption device uses a U-shaped tube filled with soda asbestos. The weight of the device is too large, which will easily reduce the weighing precision of the balance, and may even exceed the measuring range of the weighing balance used in general laboratories. The strong water-absorbing agent magnesium perchlorate loaded at the end will absorb moisture in the air during the weighing process, causing measurement errors

Method used

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  • Carbon dioxide content determination apparatus

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Embodiment Construction

[0016] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0017] see figure 1 , a carbon dioxide content measuring device, which includes a reaction bottle 2, the reaction bottle 2 is provided with a separatory funnel 3 with a piston, the reaction bottle 2 is provided with an alcohol lamp 4, and the front of the reaction bottle 2 is provided with a The absorption pipe 1 of soda asbestos (carbon dioxide absorption device in the air), the reaction bottle 2 is followed by an impurity removal device, a carbon dioxide absorption device and a moisture absorption device; The gas washing bottle 5 of sulfuric acid solution, the gas washing bottle 6 of dehydrating sulfuric acid and the absorption pipe 7 that anhydrous calcium oxide is housed; Described carbon dioxide absorption device is two straight absorption pipes 8,9 that soda asbestos is housed; The moisture absorption device is an absorption pipe 10 equipped with ...

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Abstract

The invention relates to a carbon dioxide content determination apparatus. The apparatus comprises a reaction device, the reaction device comprises a reaction bottle, the reaction bottle is provided with a separating funnel having a piston, an alcohol burner is arranged under the reaction bottle, a device for absorbing carbon dioxide in air is arranged in front of the reaction bottle, and an impurity removal device, a carbon dioxide absorbing device and a water absorbing device are sequentially arranged behind the reaction bottle. The apparatus has the advantages of simplicity, easy operation, realization of the assembling completion in most laboratories, and wide application range. The carbon dioxide content result determined through using the apparatus is stable and reliable, and has a good precision and a good accuracy; and simultaneously anhydrous calcium chloride is used to substitute anhydrous magnesium perchlorate, so the measure cost is effectively reduced, and the apparatus is economic and practical.

Description

technical field [0001] The invention relates to a carbon dioxide content measuring device. Background technique [0002] Limestone and dolomite are important metallurgical and building materials, and the determination of carbon dioxide content in limestone and dolomite is an important testing item. The determination of carbon dioxide in routine analysis generally refers to GB / T 3286.9-1998. The basic principle is: the sample is decomposed with phosphoric acid, and the dry air that removes carbon dioxide is used as the carrier gas. The produced carbon dioxide is absorbed by caustic soda asbestos. mass, to calculate the amount of carbon dioxide. The method uses a lengthy test setup that undergoes tedious purification steps prior to measurement to prevent interference from air and other elements. The carbon dioxide absorption device uses a U-shaped tube filled with soda asbestos. The weight of the device is too large, which will easily reduce the weighing precision of the bal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/02G01N1/34
Inventor 邵梅闻向东徐建平王洪红张穗忠陈士华吴立新周郑文斌
Owner 武汉钢铁有限公司
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