Method for preparing graphene-like molybdenum disulfide-ferroferric oxide composite material through reduction for proteic substances
A technology of ferric oxide and molybdenum disulfide, applied in the fields of molybdenum sulfide, chemical instruments and methods, iron oxide/iron hydroxide, etc., can solve the problem of poor particle performance of granular composite materials, unsuitability for industrial production, and complicated preparation process and other problems, to achieve the effect of large output, good magnetic guidance performance and high production efficiency
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Embodiment 1
[0046] The present embodiment provides a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reduction of a protein substance, and the method comprises the following steps:
[0047] Step 1, the molybdenum disulfide powder is ground to 200 mesh and sieved, and 10 g of the molybdenum disulfide powder under the sieve is added to the intercalation solution. The composition of the intercalation solution is 20 g of potassium chlorate, 10 g of sodium nitrate, and a mass concentration of 98%. 230mL of concentrated sulfuric acid and 70mL of hydrogen peroxide with a mass concentration of 30%;
[0048] Heat in a water bath to 15°C for 2 hours, then stir at 30°C for 30 minutes to carry out intercalation reaction, then heat to 75°C and stir for 30 minutes to react, filter the solution obtained after the reaction and dry the filter cake, grind to 200 mesh sieve, The intercalated molybdenum disulfide powder was obtained.
[0049] Step 2: Take 0.5g of...
Embodiment 2
[0056] The present embodiment provides a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reduction of a protein substance, and the method comprises the following steps:
[0057] Step 1: Grind molybdenum disulfide powder to 200 mesh and sieve, take 10g of undersize molybdenum disulfide powder and add it to the intercalation solution. The composition of the intercalation solution is 40g of potassium chlorate, 5g of sodium nitrate, and a mass concentration of 98%. The concentrated sulfuric acid is 300mL and the hydrogen peroxide of mass concentration 30% is 60mL.
[0058] Heat in a water bath to 10°C for 2 hours, then stir at 10°C for 30 minutes to carry out intercalation reaction, then heat to 95°C and stir for 25 minutes to react, filter the solution obtained after the reaction and dry the filter cake, grind to 200 mesh sieve, The intercalated molybdenum disulfide powder was obtained.
[0059] Step 2: Take 1.1 g of tyrosine and add ...
Embodiment 3
[0065] The present embodiment provides a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reduction of a protein substance, and the method comprises the following steps:
[0066] Step 1, grind molybdenum disulfide powder to 200 mesh and sieve, take 10g of molybdenum disulfide powder under the sieve and add it to the intercalation solution. The composition of the intercalation solution is 10g of potassium chlorate, 8g of sodium nitrate, and a mass concentration of 98%. The concentrated sulfuric acid is 400mL and the hydrogen peroxide of mass concentration 30% is 45mL.
[0067] Heated in a water bath to 30°C for 1 hour, then stirred at 45°C for 50 minutes for intercalation reaction, then heated to 98°C and stirred for 15 minutes, filtered the solution obtained after the reaction and dried the filter cake, ground to 200 mesh and sieved, The intercalated molybdenum disulfide powder was obtained.
[0068] Step 2: Take 1.1 g of tyrosine a...
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