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Improved Carius tube assembly

A type of Carlos tube and component technology, applied in the field of improved Carlos tube components, can solve the problems of rusty substances falling and polluting samples, easily polluted samples, and inaccurate test results, so as to reduce the risk of experimental accidents and avoid cleaning. In place, reduce the effect of data inaccuracy

Pending Publication Date: 2021-10-22
INST OF GEOCHEM CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the Carlos tube needs to maintain a good seal, the traditional Carlos tube uses an end cap to fasten the tube body and the plug, so there is a thin neck at the mouth of the tube body. This thin neck structure is not easy to clean the tube when cleaning. The inside of the body, especially the thin neck part, is easy to contaminate the sample when it is used next time due to insufficient cleaning or cleaning, resulting in inaccurate test results
In addition, the metal end cap is also easily corroded by acid mist during the sample dissolution process, and some rusty substances fall and contaminate the sample, which may also lead to inaccurate test results

Method used

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  • Improved Carius tube assembly
  • Improved Carius tube assembly
  • Improved Carius tube assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as Figure 1 to Figure 3 As shown, an improved Carlos tube assembly of the present invention includes a tube body 1, a tube plug post 2, a sleeve 3 and a sleeve cover 4, wherein the material of the tube body 1 is consistent with the existing equipment, and the tube body 1 The mouth is provided with an annular rib 11, and the mouth of the annular rib 11 and the pipe body 1 is provided with an opening 12 with an arc-shaped cross section; the pipe plug 2 includes a cylinder 21 and a sealing rib 22, and the cylinder 21 and the sealing rib There is an arc-shaped sealing part 23 corresponding to the opening 12 between the sides 22; the sleeve 3 is provided with an inner cavity 31 corresponding to the pipe body 1, and the upper part of the sleeve 3 is provided with an external thread 32; An internal thread corresponding to the external thread 32 is provided; the sleeve 3 is a two-section split structure, that is, the sleeve 3 is composed of two unconnected sleeves.

[00...

Embodiment 2

[0028] Such as Figure 1 to Figure 4 As shown, different from Embodiment 1, an improved Carlos tube assembly of the present invention also includes an explosion-proof sleeve 5, a left end cover 6 and a right end cover 7, and the two ends of the explosion-proof sleeve 5 are respectively provided with a left interface. Thread 51 and right interface external thread 52; left end cap 6 is provided with left internal thread corresponding to left interface external thread 51; right end cap 7 is provided with right internal thread corresponding to right interface external thread 52. When in use, put the pipe body 1 and sleeve pipe 3 of embodiment 1 into the explosion-proof casing 5, tighten the left end cap 6 and the right end cap 7, so that the pipe body 1 and the sleeve pipe 3 are completely enclosed in the explosion-proof casing 5, Then put the whole into an oven and heat it at a constant temperature below 185°C for a certain period of time, and then take it out for subsequent expe...

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Abstract

The invention discloses an improved Carius tube assembly, and belongs to the field of laboratory chemical reaction vessels, wherein the improved Carius tube assembly comprises a tube body, a tube plug column, a sleeve and a sleeve cover; the opening part of the tube body is provided with an annular flange, and the annular flange and the opening part of the tube body are provided with openings with arc-shaped cross sections; the tube plug column comprises a column body and a sealing flange, and an arc-shaped sealing part corresponding to the opening is arranged between the column body and the sealing flange; the sleeve is provided with an inner cavity corresponding to the tube body, and the upper part of the sleeve is provided with an external thread; and an internal thread corresponding to the external thread is arranged in the sleeve cover, and the sleeve is of a two-section split structure. The assembly is convenient to assemble and disassemble, the tube body and other accessories are convenient to clean, the tube body is convenient to seal under the conditions of intermediate temperature and high pressure in the sample digestion experiment process, the sample can be well prevented from being polluted, meanwhile, the assembly can be repeatedly used, and the experiment cost is reduced.

Description

technical field [0001] The invention relates to the field of laboratory chemical reaction vessels, in particular to an improved Carlos tube assembly. Background technique [0002] In the field of isotope dating analysis, the Carlos tube dissolution method is widely used in the dissolution of mantle rocks, molybdenite, sulfide, volcanic rocks, sediments and other samples. Indispensable equipment in experiments such as Os content and Re-Os isotope dating. The traditional Carlos tube includes a tube body, a plug column, and a stainless steel end cap. There is a thread at the mouth of the tube body, and samples and reagents are added to it during use. Then plug the plug into the tube body, then fasten the tube body and the plug pin with the end cap to achieve the sealing effect, and finally put the tube body into the heating device. [0003] Because the Carlos tube needs to maintain a good seal, the traditional Carlos tube uses an end cap to fasten the tube body and the plug, s...

Claims

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Application Information

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IPC IPC(8): B01L3/00B01J19/00B01J19/24B01J3/04
CPCB01L3/5082B01L3/50825B01J19/0053B01J19/2415B01J3/042
Inventor 王大鹏
Owner INST OF GEOCHEM CHINESE ACADEMY OF SCI
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