Rapid instrument analysis method for residual quantity of hydroxylamine in reaction solution

A technology of instrumental analysis and reaction solution, which is applied in the field of chemical analysis, can solve the problems of not meeting the detection requirements and small detection amount, and achieve the effects of high accuracy, fast analysis speed and strong specificity
CN107632076AInactive Publication Date: 2018-01-26合肥利夫生物科技有限公司
4 Cites 5 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
合肥利夫生物科技有限公司
Publication Date
2018-01-26
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a rapid instrument analysis method for the residual quantity of hydroxylamine in a reaction solution. The method comprises the following steps: 1, carrying out a derivatizationreaction on the hydroxylamine-containing reaction solution and benzaldehyde to generate benzaldoxime; and 2, determining the content of the benzaldoxime in the above obtained derivatization solutionof the reaction solution through high performance liquid chromatography, and calculating the content of the hydroxylamine in the original reaction solution according to the content of the benzaldoxime. The analysis and detection method provided by the invention has the advantages of simplicity in operation, high accuracy, strong specificity, high sensitivity, fast analysis speed and high efficiency. Compared with the prior art, the method allows determination using a high performance liquid chromatograph to be carried out after the derivatization reaction, and realize accurate qualitative andquantitative determination in order to meet needs in researches and production.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of chemical analysis, and relates to a rapid instrumental analysis method for residual hydroxylamine in a reaction solution, in particular to a method for producing benzaldehyde oxime through the reaction of benzaldehyde and hydroxylamine, which can be accurately qualitatively determined by liquid chromatography. A rapid instrumental analysis method for quantifying the content of hydroxylamine in the reaction solution. Background technique

[0002] Hydroxylamine is usually used as a reducing agent in organic synthesis. In industry, hydroxylamine hydrochloride is usually used to dissociate hydroxylamine into hydroxylamine, and then let hydroxylamine react with succinic anhydride to generate N-hydroxysuccinimide. In this reaction, hydroxylamine hydrochloride is usually excessive and unreacted The finished hydroxylamine is unstable and explosive in the reaction solution, so the residual amount of hydroxylamine ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More