Beta-FeOOH particles, preparation method and application thereof
A technology of granules and cigarettes, which is applied in the field of tobacco, can solve problems such as the increase of polycyclic aromatic hydrocarbons content, affect the taste, and reduce the taste of smoke, and achieve the effect of convenient operation, low price and simple process method
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[0030] Preparation of β-FeOOH particles of the present invention:
[0031] (1) Weigh 0.3g of anhydrous ferric chloride and 10mL of absolute ethanol into a 40mL autoclave, slowly add 20mL of distilled water into the autoclave under constant stirring, then seal the autoclave, heat up to 80°C and keep for 72 Hour;
[0032] (2) The autoclave was naturally cooled to room temperature, the precipitate was collected, washed three times with distilled water, and then dried in air at 60° C. for 3 hours to obtain β-FeOOH particles.
[0033] Characterization of β-FeOOH particles: measured by X-ray diffractometer, field emission scanning electron microscope, Fourier transform infrared spectrometer, X-ray photoelectron spectrum, differential thermal analyzer, fully automatic specific surface and porosity analyzer, the measurement results are shown in Figure 1 to Figure 7 shown.
[0034] figure 1 It is the XRD diffraction pattern of β-FeOOH particles, and all the diffraction peak indicat...
Embodiment 1
[0044] The β-FeOOH particles prepared in Example 1.
[0045]Put the β-FeOOH particle sample prepared in Example 1 into a mortar and grind it into powder, weigh 14g of the ground β-FeOOH powder, put it into a 500mL Erlenmeyer flask, add 280mL of water, and ultrasonically disperse it fully , to obtain 50g / L of β-FeOOH solution, marked as solution I.
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