Electrolyte for cobalt removal, method for surface modification of diamond composite teeth and diamond composite teeth
An electrolyte and diamond technology, applied in the field of diamond composite teeth, can solve the problems of poor decobalt effect of diamond composite teeth and the like
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Embodiment 1
[0026] The diamond composite tooth is used as the anode, copper is used as the cathode, and the electrolyte is composed of the following components: the concentration of sodium pyrophosphate is 5g / 100mL, the concentration of ammonium sulfide is 5g / 100mL, the concentration of sodium chloride is 6g / 100mL, sodium benzoate The concentration is 2g / 100mL. Electrolyze at 50°C for 10 hours at 1V. The cobalt content and the cobalt removal depth in the diamond layer of the diamond composite teeth after electrolytic cobalt removal were detected. As shown in Table 1. After detection, the surface of the diamond layer is mechanically polished.
Embodiment 2
[0028] The diamond composite tooth is used as the anode, copper is used as the cathode, and the electrolyte is composed of the following components: the concentration of sodium pyrophosphate is 7g / 100mL, the concentration of ammonium sulfide is 3g / 100mL, the concentration of sodium chloride is 10g / 100mL, sodium benzoate The concentration is 3g / 100mL. Electrolyze at 90°C for 7 hours at 1.3V. The cobalt content and the cobalt removal depth in the diamond layer of the diamond composite teeth after electrolytic cobalt removal were detected. As shown in Table 1. After detection, the surface of the diamond layer is mechanically polished.
Embodiment 3
[0030] The diamond composite tooth is used as the anode, copper is used as the cathode, and the electrolyte is composed of the following components: the concentration of sodium pyrophosphate is 6g / 100mL, the concentration of ammonium sulfide is 4g / 100mL, the concentration of sodium chloride is 8g / 100mL, sodium benzoate The concentration is 1g / 100mL. Electrolyze at 70°C for 15 hours at 1.1V. The cobalt content and the cobalt removal depth in the diamond layer of the diamond composite teeth after electrolytic cobalt removal were detected. As shown in Table 1. After detection, the surface of the diamond layer is mechanically polished.
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