Simple method and device for preparing coral strontium carbonate crystal
A strontium carbonate, coral-like technology is applied in the preparation of coral-like strontium carbonate crystals and the preparation field of coral-like strontium carbonate crystals, can solve the problems of harsh preparation conditions and complicated operations of strontium carbonate crystals, and achieves low raw material prices and high preparation efficiency. , the effect of high yield
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Embodiment 1
[0016] 1.80 kg of strontium chloride hexahydrate is placed in No. 1 material tank (4), and 1.93 kg of ammonium bicarbonate is placed in No. 2 material tank (5). Add 0.020% starch solution to No. 1 material tank (4) and No. 2 material tank (5) in sequence to 1 cm below the bottom edge of No. 1 overflow (1) and No. 2 overflow (3), and then pour into the crystal formation area Add 0.020% starch solution to the upper edge of No. 1 overflow (1) and No. 2 overflow (3); after 48 hours of reaction, filter the crystals generated in the reaction device, wash with distilled water 3 times, and dry at 105°C for 1 hour Coral-like strontium carbonate crystals composed of crystal rods were obtained. The diameter of the crystal rods was 100 nm to 200 nm, and the length was 0.6 µm to 2.0 µm. The purity of the product was ≥99%, and the yield was 96%.
[0017] The reaction device is: a cube reaction tank (6) with a side length of 60 cm and a volume of 216 L. The first material tank (4) and the s...
Embodiment 2
[0019] Place 1.80 kg of strontium chloride hexahydrate in the No. 1 material tank (4), and place 1.82 kg of ammonium bicarbonate in the No. 2 material tank (5). Add 0.020% starch solution to No. 1 material tank (4) and No. 2 material tank (5) in sequence to 1 cm below the bottom edge of No. 1 overflow (1) and No. 2 overflow (3), and then pour into the crystal formation area Add 0.020% starch solution to the upper edge of No. 1 overflow (1) and No. 2 overflow (3); after 48 hours of reaction, filter the crystals generated in the reaction device, wash with distilled water 3 times, and dry at 105°C for 1 hour Coral-like strontium carbonate crystals composed of crystal rods were obtained. The diameter of the crystal rods was 100 nm to 200 nm, and the length was 0.6 µm to 2.0 µm. The purity of the product was ≥99%, and the yield was 95%.
[0020] The reaction device is: a cube reaction tank (6) with a side length of 60 cm and a volume of 216 L. The first material tank (4) and the s...
Embodiment 3
[0022] Place 1.80 kg of strontium chloride hexahydrate in the No. 1 material tank (4), and place 2.04 kg of ammonium bicarbonate in the No. 2 material tank (5). Add 0.020% starch solution to No. 1 material tank (4) and No. 2 material tank (5) in sequence to 1 cm below the bottom edge of No. 1 overflow (1) and No. 2 overflow (3), and then pour into the crystal formation area Add 0.020% starch solution to the upper edge of No. 1 overflow (1) and No. 2 overflow (3); after 48 hours of reaction, filter the crystals generated in the reaction device, wash with distilled water 3 times, and dry at 105°C for 1 hour Coral-like strontium carbonate crystals composed of crystal rods were obtained. The diameter of the crystal rods was 100 nm to 200 nm, and the length was 0.6 µm to 2.0 µm. The purity of the product was ≥99%, and the yield was 97%.
[0023] The reaction device is: a cube reaction tank (6) with a side length of 60 cm and a volume of 216 L. The first material tank (4) and the s...
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