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Memory, and method, device and equipment for detecting purity of N-methyldiethanolamine

A technology of methyldiethanolamine and methyldiethanolamine hydroxyl, which is applied in the field of analytical chemistry, can solve the problem of high experimental cost, achieve accurate results, reduce labor costs, and reduce use costs

Pending Publication Date: 2021-06-18
北京泓泰天诚科技有限公司
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Problems solved by technology

[0004] The inventors have found that the detection method of N-methyldiethanolamine purity in the prior art needs to use reagents such as sulfuric acid standard solution, bromocresol green indicator, and multiple glass containers such as burettes, and there is a relatively high cost of experimentation. defect

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  • Memory, and method, device and equipment for detecting purity of N-methyldiethanolamine
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  • Memory, and method, device and equipment for detecting purity of N-methyldiethanolamine

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Embodiment Construction

[0045] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0046] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0047]In this document, for the convenience of description, spatially relative terms, such as "below", "below", "lower", "above", "above", "upper", etc., may be used to describe the relationship between one element or feature and another. The relationship of elements or features in the drawings. It will be understood that the spatially relative terms are intended to encompass different orientations of the item in use or op...

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Abstract

The invention discloses a memory, and a method, a device and equipment for detecting the purity of N-methyldiethanolamine. The method comprises the following steps: acquiring a nuclear magnetic resonance hydrogen spectrogram of a sample to be detected, and performing hydrogen area regression of a preset area; calculating the formant area of the characteristic hydrogen atoms according to the area integral of an A region; and calculating the N-methyldiethanolamine purity of the sample to be detected according to the formant area. The manual participation part is less, and the operation process is short, so that the working efficiency of the concentration measurement of the N-methyldiethanolamine can be effectively improved, and the labor cost is reduced.

Description

technical field [0001] The invention relates to the field of analytical chemistry, in particular to a method, device and equipment for measuring the purity of memory and N-methyldiethanolamine. Background technique [0002] N-methyldiethanolamine is a chemical substance with the molecular formula C 5 h 13 NO 2 , containing two hydroxyl groups and one amino group, widely used in oil field gas and coal gas desulfurization purification emulsifier and acid gas absorbent. [0003] At present, the detection of the purity of N-methyldiethanolamine is to use N-methyldiethanolamine as a weakly basic organic compound, which can react with sulfuric acid to generate the corresponding sulfate, in the presence of bromocresol green indicator Next, titrate with sulfuric acid standard solution, and obtain the concentration of N-methyldiethanolamine in the desulfurization solution according to the amount of sulfuric acid standard solution. [0004] The inventors found that the detection m...

Claims

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Application Information

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IPC IPC(8): G01N24/08
CPCG01N24/08
Inventor 王瑞波赵士鉴
Owner 北京泓泰天诚科技有限公司
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