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Artificially synthesized tourmaline and preparation method thereof

A technology of artificial synthesis and tourmaline, applied in the direction of nanotechnology, can solve the problems of high equipment requirements and high temperature, and achieve the effect of good effect, low cost and convenient material selection

Inactive Publication Date: 2013-10-09
BEIJING FANGHAO SINO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For this reason, the technical problem to be solved by the present invention is that the preparation method of artificially synthesized tourmaline in the prior art has extremely high temperature and higher requirements on equipment, and then provides a kind of synthetic method of artificial tourmaline that can be carried out under low temperature conditions ; Further, the present invention also provides a kind of synthetic tourmaline

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The particle diameter of the synthetic tourmaline described in the present embodiment is 10-15nm, is the crystalline particle obtained by dissolving the mixture of 100 parts of clay and medical stone in 100 parts of acidic solvent, wherein clay is 40 parts, medical rice Stone is 60 parts; The acidic solvent is hydrofluoric acid, and the pH value is 3.

[0028] The preparation method of artificially synthesized tourmaline described in the present embodiment may further comprise the steps:

[0029] (1) dry the mineral mixture of selected clay and medical stone, and grind to the powder that particle diameter is 2-5nm;

[0030] (2) drying the obtained ultrafine powder, dissolving the powder mixture in the acidic solution, and performing hydrothermal synthesis at a temperature of 20° C. and a pressure of 10 MPa for 25 hours;

[0031] (3) Crystallization step: heating the reacted mixed solution to 70° C., evaporating to precipitate crystals;

[0032] (4) Grinding the precip...

Embodiment 2

[0035] The particle diameter of the artificially synthesized tourmaline described in this embodiment is 5-10nm, is obtained by dissolving the mixture of 1500 parts of zeolite and gneiss in 100 parts of acidic solvent, wherein zeolite is 450 parts, gneiss is 1050 parts; The acidic solvent is a mixed solution of sulfuric acid and perchloric acid, and the pH value is 5.

[0036] The preparation method of artificially synthesized tourmaline described in the present embodiment may further comprise the steps:

[0037] (1) drying the mineral mixture of selected zeolite and gneiss, and grinding it to a superfine powder whose particle size is 2-5nm;

[0038] (2) drying the obtained ultrafine powder, dissolving the powder mixture in the acidic solution, and performing hydrothermal synthesis at a temperature of 30° C. and a pressure of 5 MPa for 20 hours;

[0039] (3) Crystallization step: heating the reacted mixed solution to 80°C, evaporating and crystallizing;

[0040] (4) Grinding ...

Embodiment 3

[0043] The particle diameter of the synthetic tourmaline described in this embodiment is 5-15nm, is obtained by dissolving the mixture of 200 parts of zeolite, serpentine and clay in 100 parts of acidic solvent, wherein zeolite is 80 parts, clay is 60 parts Parts, serpentine is 60 parts; The acidic solvent is perchloric acid, and the pH value is 4.

[0044] The preparation method of artificially synthesized tourmaline described in the present embodiment may further comprise the steps:

[0045] (1) the mineral mixture of selected zeolite, clay and serpentine is dried, and ground to particle diameter is the superfine powder of 2-5nm;

[0046] (2) drying the obtained ultrafine powder, dissolving the powder mixture in the acidic solution, and performing hydrothermal synthesis at a temperature of 25° C. and a pressure of 1 MPa for 30 h;

[0047] (3) Crystallization step: heating the reacted mixed solution to 75°C, evaporating and crystallizing;

[0048] (4) The precipitated cryst...

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Abstract

The invention relates to an artificially synthesized crystal, and in particular relates to an artificially synthesized tourmaline crystal and a preparation method thereof. The tourmaline provided by the invention is a crystal nano particle which is prepared by treating a mineral substance in an acidic solvent with a hydrothermal synthesis method, wherein the weight part ratio of the mineral substance to the acidic solvent is (1-15):1; the mineral substance is a mixture of at least two of clay, medical stone, zeolite, serpentine or gneiss; and the acidic solvent is one or more than one of hydrofluoric acid, sulfuric acid or perchloric acid. According to the preparation method provided by the invention, the tourmaline is prepared by using a common and productive mineral substance and the acidic solvent without adding any natural tourmaline, thus material selection is convenient, and cost is low; the artificially synthesized tourmaline prepared by the method in the invention can sustainably release negative ions, has the same, even better effect as compared with the natural tourmaline, can be widely applied to various industrial fields and has good effect.

Description

technical field [0001] The invention relates to an artificially synthesized crystal, in particular to an artificially synthesized tourmaline crystal and a preparation method thereof. Background technique [0002] Tourmaline is also called tourmaline or tourmaline. Its chemical composition is relatively complex. It is a silicate rock mineral mainly containing boron and also containing aluminum, sodium, iron, magnesium, lithium and other elements. Tourmaline was first discovered in Sri Lanka when it was noticed that the gemstone would become electrically charged when heated, a phenomenon known as the pyroelectric effect. Tourmaline can permanently generate micro-current, which is similar to the current of human nerves, so that it can promote blood circulation and smooth effect. In addition, tourmaline can also release negative ions, which have the ability to adjust the ion balance of the human body and activate Cells can relax the body and mind, improve the self-healing rate,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/20B82Y40/00
Inventor 刘凡
Owner BEIJING FANGHAO SINO TECH
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