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A kind of analysis method of green oxygen component

An analytical method, green oxygen technology, applied in the direction of material analysis using radiation diffraction, analyzing materials, weighing by removing certain components, etc., to achieve the effects of simple operation, maximized utilization, and accurate results

Inactive Publication Date: 2014-10-29
DALIAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are no related articles, patents and standards on the active ingredient analysis of cooking aids, especially green oxygen, in China

Method used

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  • A kind of analysis method of green oxygen component

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The green oxygen used in the example was purchased from Zhengzhou Daochun Chemical Technology Co., Ltd., and the batch I product was analyzed according to the following process:

[0037] ①Take two parts of green oxygen, add dithionite to one part and heat it to 55°C, it is found that blood red appears, according to the principle of the invention, it is judged that the green oxygen contains anthraquinone; the other part is added with hydrochloric acid, and the gas produced is found Make the magenta fade, red appear again after heating, then there is SO in the process 2 Gas is produced, and it can be judged that there is sulfite in the green oxygen;

[0038]② Accurately weigh 2.000g of green oxygen, dissolve it in 1000mL of distilled water and filter, wash the insoluble matter with distilled water and dry to constant weight. Since anthraquinone is insoluble in water, it is determined that the obtained insoluble matter B is anthraquinone, and the anthraquinone UV and IR s...

Embodiment 2

[0046] The green oxygen used in the example was purchased from Zhengzhou Daochun Chemical Technology Co., Ltd., and the batch II product was analyzed according to the following process:

[0047] ①Take two parts of green oxygen, add dithionite to one part and heat it to 55°C, it is found that blood red appears, according to the principle of the invention, it is judged that the green oxygen contains anthraquinone; the other part is added with hydrochloric acid, and the gas produced is found Make the magenta fade, red appear again after heating, then there is SO in the process 2 Gas is produced, and it can be judged that there is sulfite in the green oxygen;

[0048] ② Accurately weigh 2.000g of green oxygen, dissolve it in 1000mL of distilled water and filter, wash the insoluble matter with distilled water and dry to constant weight. Since anthraquinone is insoluble in water, it is determined that the obtained insoluble matter B is anthraquinone, and the anthraquinone UV and IR...

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Abstract

The analysis method utilizes chemical analysis and spectral analysis methods to carry out qualitative analysis on the components in green oxygen so as to determine the composition of the green oxygen cooking auxiliary agent, and then utilizes a standard curve method and an inorganic substance burning method to respectively carry out quantitative analysis on organic ingredients and inorganic ingredients in the green cooking auxiliary agent. The test utilizes common chemical reagents, ultraviolet and infrared spectra and X-ray diffraction to analyze green oxygen, so that the operation is simple, convenient and feasible, and the result is clear and easy to analyze.

Description

technical field [0001] The invention relates to an analysis method of green oxygen components, relates to the analysis of effective components of cooking aids used in the pulping process, and belongs to the technical field of pulping and papermaking engineering. Background technique [0002] In the process of pulping and cooking, "how to improve the selectivity of delignification and control the degradation reaction of carbohydrates to the minimum" has always been the focus of pulping research. The addition of cooking aids is one of the most convenient ways at present, and can obtain good economic benefits. Cooking aids are chemicals used to accelerate the penetration of cooking liquid into fiber raw materials or accelerate delignification, thereby shortening the cooking time and temperature, reducing the amount of cooking chemicals, increasing the yield of pulp and reducing the kappa value of pulp. It can be seen that the ratio and ratio of active ingredients in the cookin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04G01N21/33G01N21/3563G01N23/20
Inventor 平清伟张健董丽颖石海强李娜牛梅红
Owner DALIAN POLYTECHNIC UNIVERSITY
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