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Method for preparing disodium octaborate tetrahydrate

A technology of disodium octaborate tetrahydrate and disodium octaborate, which is applied in the production field of disodium octaborate tetrahydrate, can solve the problems of inability to produce disodium octaborate tetrahydrate, improper selection and proportioning, and octaboric acid tetrahydrate low disodium content

Inactive Publication Date: 2009-08-12
杨保印
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] But the preparation method of my country's existing disodium tetrahydrate octaborate, because the selection of reactant and proportioning are unsuitable, make the content of disodium tetrahydrate octaborate in the reaction product lower, even just can't make tetrahydrate octaborate at all Disodium

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  • Method for preparing disodium octaborate tetrahydrate
  • Method for preparing disodium octaborate tetrahydrate
  • Method for preparing disodium octaborate tetrahydrate

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Embodiment

[0016] figure 1 Be the flow chart of the preparation method embodiment of disodium tetrahydrate octaborate of the present invention, as figure 1 As shown, this embodiment includes:

[0017] Step 101, take 35-40 parts by weight of boric acid and 40-45 parts by weight of borax pentahydrate, add 20-25 parts by weight of water after mixing, heat to 110-130 degrees Celsius to dissolve, and keep warm for 60-80 minutes;

[0018]

[0019] Because other class borax such as borax decahydrate is compared with borax pentahydrate, boron content is low and unstable, waste man-hours and energy in the production process, and the quality of prepared disodium tetrahydrate octaborate is difficult to guarantee, so this embodiment The selection of borax pentahydrate as raw material not only ensures the quality of disodium octaborate tetrahydrate, but also saves the manufacturing cost.

[0020] Step 102, separating the solid and water of the reactant to obtain solid particles; specifically, pu...

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Abstract

The invention discloses a method for manufacturing tetrahydrate disodium octaborate, comprising 35-40 parts by weight of boric acid and 40-45 parts by weight of borax penta hydrate are mixed together and added with 20-25 parts by weight of water to be heated to 110-130 DEG C to be dissolved, and the reaction lasts for 60-80min under the condition of heat preservation; the solid of reactant is separated from water to obtain solid particles; the gas in the solid particles is exhausted; the solid particles are processed to be 300 meshes, so that the tetrahydrate disodium octaborate is prepared. By regulating the reactant and the mixture ratio thereof, the method can increase the content of the tetrahydrate disodium octaborate of the resultant of reaction, thus solving the current situation that the tetrahydrate disodium octaborate is limited by import in the aspect of agriculture and industry.

Description

technical field [0001] The invention relates to a preparation method of a chemical substance, in particular to a preparation method of disodium octaborate tetrahydrate. Background technique [0002] In my country, disodium octaborate tetrahydrate is widely used in agriculture and industry. In terms of agriculture, since boron is one of the essential nutrients for plant growth, it plays a very important role in plant growth and development. The application of boron fertilizer can effectively supplement boron and solve the phenomenon that crops are flowery but not real. Eight boric acid tetrahydrate The aqueous solution of disodium is neutral, can be mixed with almost all pesticides, and can be directly used for foliar spraying. It has the advantages of good water solubility, low dosage, high plant absorption and utilization rate, and less soil residue, which has played a role in promoting high agricultural production. positive effects. In terms of industry, because the pH v...

Claims

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Application Information

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IPC IPC(8): C01B35/12
Inventor 杨保印
Owner 杨保印