Method for visually detecting concentration of hydrogen peroxide by using carbon quantum dots
A technology of carbon quantum dots and hydrogen peroxide, applied in the field of medicinal chemistry, can solve the problems of complex detection process, high detection cost and low detection cost, and achieve the effects of good water solubility, low detection cost and high sensitivity
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[0034] Example 1
[0035] A method for visually detecting the concentration of hydrogen peroxide using carbon quantum dots, the specific steps are as follows
[0036] Step 1: Prepare a water-soluble carbon quantum dot solution based on pig blood, specifically:
[0037] Squeeze the pig blood clot on the filter paper to squeeze out the water, and then transfer the squeezed blood clot to an oven, dry it at 40-60 ℃, and then grind it into a powder on a mortar. The pig blood powder is dissolved in water at a mass ratio of 1% and transferred to the reaction kettle, and then fully reacted at 180 ℃ for 12 hours. After cooling at room temperature, the reaction solution is filtered with a 0.45 μm microporous membrane to remove insoluble impurities. To the water-soluble carbon quantum dot solution. The concentration of the water-soluble carbon quantum dot solution is 10 mg / mL.
[0038] Step 2: Establish the linear relationship between the absorbance intensity of the mixed solution and the conc...
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