Compound monohydrate sodium carbonate nonlinear optical crystal and its preparation method and use
A hydrated sodium carbonate, nonlinear optics technology, applied in the fields of crystallography and material science, can solve the problems of inability to buy crystals in the market, not seen, etc., and achieve the effects of easy large-size crystals, simple operation, and simple preparation.
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Embodiment 1
[0031] Anhydrous Na 2 CO 3 The solid is dissolved in a container of 30mL deionized water, and the incompletely dissolved substance is ultrasonically treated at a temperature of 40°C for 60 minutes to fully mix and dissolve;
[0032] Then take out the solution, let it stand still, and observe it for 30 minutes at a temperature of 40°C, filter out the insoluble matter that appears, and obtain a saturated solution at a temperature of 40°C, then seal it with a plastic wrap, and then tie a few small pieces on the film. Well, put the solution in a clean, pollution-free, air-free environment, at a temperature of 40°C, and let it stand for 60 days;
[0033]After 60 days, some smaller crystals were precipitated at the bottom of the container, and the crystals continued to grow until the crystal size did not change significantly, and the growth ended, and the solution containing the crystals was filtered to obtain transparent sodium carbonate monohydrate crystals;
[0034] Select crys...
Embodiment 2
[0036] Anhydrous Na 2 CO 3 The solid is dissolved in a container of 75mL deionized water, and the incompletely dissolved substance is ultrasonically treated at a temperature of 49°C for 60 minutes to fully mix and dissolve;
[0037] Then take out the solution, let it stand at a temperature of 49°C, and observe it for 30 minutes, filter out the insoluble matter that appears, and obtain a saturated solution at a temperature of 49°C, then seal it with a plastic wrap, and then pierce some small holes on the film , put the solution in a clean, pollution-free, air-free environment, at a temperature of 49°C, and let it stand for 50 days;
[0038] After 50 days, some smaller crystals were precipitated at the bottom of the container, and the crystals continued to grow until the crystal size did not change significantly, and the growth was over, and the solution containing the crystals was filtered to obtain sodium carbonate monohydrate transparent crystals;
[0039] Select crystals w...
Embodiment 3
[0041] Anhydrous Na 2 CO 3 The solid is dissolved in a container of 150mL deionized water, and the incompletely dissolved substance is ultrasonically treated at a temperature of 60°C for 60 minutes to fully mix and dissolve;
[0042] Then take out the solution, let it stand at a temperature of 60°C, and observe it for 30 minutes, filter out the insoluble matter that appears, and obtain a saturated solution at a temperature of 60°C, then seal it with a plastic wrap, and then pierce a few small holes on the film , put the solution in a clean, pollution-free, air-free environment, at a temperature of 60°C, and let it stand for 30 days;
[0043] After 30 days, some smaller crystals were precipitated at the bottom of the container, and the crystals continued to grow until the crystal size did not change significantly, and the growth was over, and the solution containing the crystals was filtered to obtain transparent crystals of sodium carbonate monohydrate;
[0044] Select cryst...
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