Amino acid metal chelate micro-nano powder and preparation method thereof
A metal chelate, amino acid technology, applied in the preparation of organic compounds, cyanide reaction preparation, chemical instruments and methods, etc., can solve the problems of single type of amino acid metal chelate, high investment cost, high operating cost, and achieve Wide-ranging, high-purity, low-cost effects
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Embodiment 1
[0039] Embodiment 1 (taking the second main group element calcium as an example)
[0040] (1) At 25°C, add 1.47g L-glutamic acid, 1.47g CaCl 2 .2H 2 O was added to the mortar, and 0.294g of solid 1,3-dimethylimidazolium methyl sulfate (MDLS) powder was added as a catalyst, and mixed evenly;
[0041] (2) Grind the mixture in step (1) in a mortar for 12 minutes, so that the reaction is fully mixed and reacted, and a paste is obtained, and stand for 2 hours to make the reactants react as completely as possible;
[0042] (3) Add 30mL deionized water to the paste prepared in step (2), stir to dissolve the incompletely reacted L-glutamic acid and CaCl 2 .2H 2 After O, suction filtration and washing were performed 6 times to remove the ionic liquid and unreacted L-glutamic acid and CaCl 2 .2H 2 O and obtain a filter cake;
[0043] (4) the solid filter cake that step (3) obtains at 70 o Dry in an oven for 3 hours, cool to room temperature, take out and grind to 200nm and below ...
Embodiment 2
[0045] Embodiment 2 (taking the third main group element aluminum as an example)
[0046] (1) At 25°C, mix 2.25g L-glycine, 2.415g AlCl 3 .6H 2 O was added to the mortar, and 0.373g of liquid 1-ethyl-3-methylimidazolium methyl sulfate was added as a catalyst, and mixed well;
[0047] (2) Grind the mixture in step (1) in a mortar for 10 minutes, so that the reaction is fully mixed and reacted, and a paste is obtained, and it is left to stand for 1.5 hours to make the reactants react as completely as possible;
[0048] (3) Add 20 mL of deionized water to the paste prepared in step (2), stir to dissolve the incompletely reacted L-glycine and AlCl 3 .6H 2 After O, perform suction filtration washing 5 times to remove ionic liquid and unreacted L-glycine and AlCl 3 .6H 2 O and obtain a filter cake;
[0049] (4) the solid filter cake that step (3) obtains at 80 o Dry in a C oven for 2 hours, take it out after cooling to room temperature, and grind it down to 200nm and below to...
Embodiment 3
[0051] Embodiment 3 (taking the rare earth metal element lanthanum as an example)
[0052] (1) At 25°C, mix 6.12g L-tryptophan, 4.15g La(NO 3 ) 3 .5H 2 O was added to the mortar, and 1.03 g of tributylmethylammonium chloride was added as a catalyst, and mixed evenly;
[0053] (2) Grind the mixture in step (1) in a mortar for 10 minutes, so that the reaction is fully mixed and reacted, and a paste is obtained, and it is left to stand for 1.5 hours to make the reactants react as completely as possible;
[0054] (3) Add 25 mL of deionized water to the paste prepared in step (2), stir to dissolve the incompletely reacted L-tryptophan and La(NO 3 ) 3 .5H 2 After O, suction filtration and washing were performed 6 times to remove ionic liquid and unreacted L-tryptophan and La(NO 3 ) 3 .5H 2 O and obtain a filter cake;
[0055] (4) the solid filter cake that step (3) obtains at 80 o Dry in an oven at C for 3 hours, cool to room temperature, take it out and grind it down to 2...
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