Boric acid strontium lithium micropore crystal and preparation method thereof and application
A technology of lithium strontium borate and crystal, which is applied in the field of lithium strontium borate microporous crystal material and its preparation, and can solve the problems of rare microporous crystal material and the like
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0027] Lithium strontium borate microporous crystal, the molecular formula of the crystal is Li 2 Sr 4 [B 10 o 18 ][B 2 o 5 ]. The preparation method is as follows:
[0028] 1. Grinding and mixing
[0029] Weigh 0.842g LiOH·H 2 O (20mmol), 0.749g SrCO 3 (5mmol), 0.188g Ga 2 o 3 (1mmol), 2.116g B 2 o 3 (30mmol), put into an agate mortar and grind to make it evenly mixed.
[0030] 2. Sintering
[0031] The mixture was transferred to a platinum crucible and heated in a muffle furnace at 800 °C for 72 hours.
[0032] 3. Cool down
[0033] Cool down to 720°C at 0.5°C / hour, then cool down to 320°C at 5°C / hour, and finally cool down to room temperature at 20°C / hour to prepare colorless, transparent and hard strontium lithium borate microporous crystals, whose molecular formula is Li 2 Sr 4 [B 2 o 5 ][B 5 o 9 ], belonging to the monoclinic crystal system, P2 1 / c space group, cell parameter a is b for c for β is 101.939°, the schematic diagram of its molecu...
Embodiment 2
[0035] Lithium strontium borate microporous crystal, the molecular formula of the crystal is Li 2 Sr 4 [B 10 o 18 ][B 2 o 5 ]. The preparation method is as follows:
[0036] 1. Grinding and mixing
[0037] Weigh 0.738g Li 2 CO 3 (10mmol), 0.749g SrCO 3 (5mmol), 0.188g Ga 2 o 3 (1mmol), 2.116g B 2 o 3 (30mmol), put into an agate mortar and grind to make it evenly mixed.
[0038] 2. Sintering
[0039] The mixture was transferred to a platinum crucible and heated in a muffle furnace at 750 °C for 72 hours.
[0040] 3. Cool down
[0041] Cool down to 720°C at 1°C / hour, then cool down to 320°C at 10°C / hour, and finally cool down to room temperature at 20°C / hour to prepare colorless, transparent and hard strontium lithium borate microporous crystals, whose molecular formula is Li 2 Sr 4 [B 2 o 5 ][B 5 o 9 ], belonging to the monoclinic crystal system, its crystal structure parameters are the same as in Example 1.
Embodiment 3
[0043] Lithium strontium borate microporous crystal, the molecular formula of the crystal is Li 2 Sr 4 [B 10 o 18 ][B 2 o 5 ]. The preparation method is as follows:
[0044] 1. Grinding and mixing
[0045] Weigh 0.426gLiOH·H 2 O (10mmol), 0.375gSrCO 3 (2.5mmol), 0.094gGa 2 o 3 (0.5mmol), 1.058g B 2 o 3 (15mmol), put into an agate mortar and grind to make it evenly mixed.
[0046] 2. Sintering
[0047] The mixture was transferred to a platinum crucible and heated in a muffle furnace at 800 °C for 72 hours.
[0048] Cool down to 720°C at 0.5°C / hour, then cool down to 320°C at 5°C / hour, and finally cool down to room temperature at 20°C / hour to prepare colorless, transparent and hard strontium lithium borate microporous crystals, whose molecular formula is Li 2 Sr 4 [B 2 o 5 ][B 5 o 9 ], belonging to the monoclinic crystal system, its crystal structure parameters are the same as in Example 1.
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More