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A method for measuring calcium content in feed by using ion-selective electrode

A technology of ion selectivity and calcium content, applied in the field of ion inspection, can solve the problems of complicated steps and long time, and achieve the effects of simple steps, low equipment and consumable costs, and guaranteed product quality.

Active Publication Date: 2022-05-20
正大康地(开封)生物科技有限公司
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Problems solved by technology

[0005] For this reason, the present invention provides a kind of method that utilizes ion-selective electrode to measure the calcium content in the feed, in order to overcome the problem that the steps of the calcium ion detection process in the prior art are complicated and time-consuming

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  • A method for measuring calcium content in feed by using ion-selective electrode
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[0059] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0060] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0061] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...

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Abstract

The invention relates to a method for measuring the calcium content in feed by using an ion selective electrode, which includes preparing a standard solution, measuring the potential value of the standard solution, generating a standard curve and function, preparing a sample solution to be tested, detecting the potential value of the solution to be tested, and extracting a sample Calcium ions in the solution, detecting the potential value of the sample solution after extraction, determining the amount of interfering ions and calculating the content of calcium ions in the solution and calculating the content of calcium in the sample. The central control system is equipped with a blank potential value matrix and a blank potential value compensation parameter matrix for the measured potential value. The present invention performs blank detection before detecting the standard solution, and compensates the measured potential value according to the detection results, removing The influence of the blank increases the detection accuracy; the calcium ions in the solution are extracted from the sample to be tested, and the potential value of the extracted sample solution is detected to remove the influence of other substances in the sample solution to further increase the detection accuracy.

Description

technical field [0001] The invention relates to the technical field of ion detection, in particular to a method for measuring calcium content in feed by using an ion selective electrode. Background technique [0002] Calcium is the most abundant inorganic salt in animals, and enjoys the title of "life element". Calcium in animals, on the one hand, constitutes bones and teeth, and on the other hand, it can participate in various physiological functions and metabolic processes, and affect various organs organized activities. Excessive intake of calcium will affect the absorption rate of other essential minerals such as iron and zinc, and may cause related diseases. Calcium deficiency will cause physiological disorders in animals, and then lead to a series of serious diseases. Animals mainly obtain them through feed Therefore, fast and accurate determination of calcium content in feed and raw materials is very important for feed enterprises. [0003] The methods currently use...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/333G01N27/416
CPCG01N27/333G01N27/416G01N27/4163
Inventor 范彪黄春英陆学文余文健
Owner 正大康地(开封)生物科技有限公司
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