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A kind of preparation method of high titanium, vanadium, chromium and high water forsterite single crystal

A technology of calcium magnesium olivine and high titanium, which is applied in chemical instruments and methods, single crystal growth, single crystal growth, etc., can solve the problems that cannot meet the requirements of experimental samples, etc., and achieve short reaction time, simple operation process and high purity Effect

Active Publication Date: 2022-07-26
INST OF GEOCHEM CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the disadvantages of synthetic experimental techniques, the artificially synthesized pure forsterite is a single component (without titanium, vanadium and chromium variable valence elements), nano-particle size and water-free samples, and cannot meet the high temperature and pressure requirements. Experimental Sample Requirements for Experimental Simulation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] A preparation method of high titanium, vanadium, chromium and high water forsterite single crystal, which comprises:

[0048] Step 1. Use solid magnesium nitrate hexahydrate with purity >99.99%, solid DL-calcium glycerate hydrate purity: >99.99%, solid chromium(III) nitrate nonahydrate purity >99.99%, solid triacetylacetone Vanadium purity: >99.99%, liquid ethyl orthosilicate purity >99.99%, liquid tetrabutyl titanate purity: >99.99%, solid natural serpentine powder purity: >99%, solid natural water magnesium Stone powder purity: >99%, solid natural slaked lime powder purity: >99% and absolute ethanol concentration >99.9% as starting material.

[0049] Step 2. Put 100 ml of absolute ethanol in a 500 ml wide-mouth glass bottle first.

[0050] Step 3. According to calcium forsterite (CaMg(Si,Cr,Ti,V)O 4 ) Chemometrics, on a high-precision analytical balance, accurately weigh out 10 grams of high-purity solid magnesium nitrate hexahydrate powder, 9.7588 grams of high-pur...

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Abstract

The present invention discloses a preparation method of high titanium, vanadium, chromium and high water forsterite single crystal. Chromium(III) nitrate, solid vanadium triacetylacetonate, liquid ethyl orthosilicate, liquid tetrabutyl titanate, solid natural serpentine powder, solid natural brucite powder, solid natural slaked lime powder and absolute ethanol as the starting materials; a cylindrical sample of forsterite with high titanium, vanadium and chromium was prepared, and serpentine, brucite and slaked lime in a weight ratio of 3:3:1 were pressed on a tablet machine to form Two discs, place the discs at both ends of the forsterite cylinder sample, and seal the forsterite cylinder sample and the two discs together into a gold-palladium alloy sample tube for high temperature and high pressure reaction; Problems in the preparation of titanium, high vanadium, high chromium and high water content of calcium forsterite single crystal technology blank and other issues.

Description

technical field [0001] The invention belongs to the technical field of mineral single crystal sample synthesis under high temperature and high pressure conditions, and particularly relates to a preparation method of a forsterite single crystal with high titanium, vanadium, chromium and high water content. Background technique [0002] The ten elements with the highest average content in the crust are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, magnesium, titanium and hydrogen. Among them, silicon and oxygen are the two most widely distributed and abundant elements in the crust. Silicon and oxygen combine directly to form SiO 2 In addition to minerals, a large number of silicate minerals are formed in combination with complex anions and other cations. Silicate minerals can be divided into four types: island-like structure silicates, chain-like structure silicates, layered structure silicates and framework-like structure silicates. There are more than 600 kn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/06C30B29/34C30B1/12
CPCB01J3/06C30B29/34C30B1/12
Inventor 代立东胡海英
Owner INST OF GEOCHEM CHINESE ACADEMY OF SCI