Preparation method of titanium alloy substrate composite material with excellent detection performances on hydrogen peroxide
A technology of composite materials and hydrogen peroxide, applied in the field of materials, can solve the problems of detection limit and selectivity that cannot meet the requirements, and achieve the effect of excellent detection performance and excellent conductivity
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[0018] A preparation method of a titanium alloy substrate composite material with excellent hydrogen peroxide detection performance, the preparation method comprising the following steps:
[0019] (1) Put the nickel-titanium alloy sheet with the atomic ratio of Ni:Ti=50.8:49.2 into the 1-5 M / L hydrochloric acid solution and ultrasonically clean for 10-30 minutes;
[0020] (2) Put a potassium hydroxide solution with a concentration of 2 M-9M in an autoclave, put the cleaned nickel-titanium alloy described in step (1), and place it in an environment of 110-130℃ for hydrothermal reaction 1- 6 hours;
[0021] (3) After the reaction is over, after the autoclave is naturally cooled to room temperature, take out the nickel-titanium alloy sheet and clean it fully;
[0022] (4) Place the cleaned nickel-titanium alloy sheet in a 30-80℃ vacuum drying oven for 2-6 hours.
[0023] Due to the sensitivity, detection limit and selectivity of conventional materials used for hydrogen peroxide detection ...
Example Embodiment
[0024] Example 1
[0025] A preparation method of a titanium alloy substrate composite material with excellent hydrogen peroxide detection performance, the preparation method comprising the following steps:
[0026] (1) Put the nickel-titanium alloy sheet (atomic ratio: Ni:Ti=50.8:49.2) (size: 4cm×2cm×0.1cm) into a 3M / L hydrochloric acid solution, and ultrasonically clean for 10 minutes;
[0027] (2) Put a 6 M potassium hydroxide solution in an autoclave, put the cleaned nickel-titanium alloy described in step (1), and place it in an environment of 110°C for hydrothermal reaction for 2 hours;
[0028] (4) After the reaction is over, after the autoclave is naturally cooled to room temperature, take out the nickel-titanium alloy sheet and rinse it alternately with deionized water and alcohol for 5 times;
[0029] (5) Place the cleaned nickel-titanium alloy sheet in a vacuum drying oven at 60°C for 2 hours.
Example Embodiment
[0030] Example 2
[0031] A preparation method of a titanium alloy substrate composite material with excellent hydrogen peroxide detection performance, the preparation method comprising the following steps:
[0032] (1) Put the nickel-titanium alloy sheet with the atomic ratio of Ni:Ti=50.8:49.2 into 1 M / L hydrochloric acid solution, and ultrasonically clean for 10 minutes;
[0033] (2) Put a potassium hydroxide solution with a concentration of 2 M in an autoclave, put the cleaned nickel-titanium alloy described in step (1), and place it in a 130°C environment for hydrothermal reaction for 1 hour;
[0034] (3) After the reaction is over, after the autoclave is naturally cooled to room temperature, take out the nickel-titanium alloy sheet and clean it fully;
[0035] (4) Place the cleaned nickel-titanium alloy sheet in a vacuum drying oven at 30°C for 2 hours.
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