Preparation method of porous copper-nickel alloy fiber
A technology of copper-nickel alloy and nickel alloy is applied in the field of preparation of copper-nickel alloy to achieve the effects of environmental friendliness, good experimental reproducibility and low cost
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Embodiment 1
[0032] 1) Weigh 0.02mol of CuCl with a purity of 99.5% respectively 2 2H 2 O and 0.02mol of 99.5% NiCl 2 ·6H 2 O, CuCl 2 2H 2 O and NiCl 2 ·6H 2 The ratio of the amount of O substances is 1:1. CuCl 2 2H 2 O and NiCl 2 ·6H 2 O was co-dissolved in 100 mL of deionized water and formulated to contain Cu 2+ and Ni 2+ The mixed metal salt solution A, the mixed metal salt solution A, Cu 2+ and Ni 2+ The total concentration is 0.4mol / L.
[0033] 2) Dissolve 0.048 mol of oxalic acid with a purity of 99.5% in a mixed solvent of 50 mL of organic reagent ethanol and 50 mL of deionized water. The organic reagent is ethanol with a purity of 99.5%, and configure it as oxalic acid solution B.
[0034] 3) Add the mixed metal salt solution A prepared in step 1 to the oxalic acid solution B prepared in step 2, and stir while adding dropwise, while controlling the reaction temperature to 60°C, adjusting the pH value with ammonia water, and keeping the pH value at 8.2, After the dr...
Embodiment 2
[0039] 1) Weigh 0.02mol of CuCl with a purity of 99.0% respectively 2 2H 2 O and 0.04mol purity of 99.0% NiCl 2 ·6H 2 O, the CuCl 2 2H 2 O and NiCl 2 ·6H 2 The ratio of the amount of O substance is 1:2. The CuCl 2 ·6H 2 O and NiCl 2 ·6H 2 O, co-dissolved in 100mL deionized water, prepared to contain Cu 2+ and Ni 2+ The mixed metal salt solution A, the mixed metal salt solution A, Cu 2+ and Ni 2+ The total concentration is 0.6mol / L.
[0040] 2) Dissolve 0.072 mol of ammonium oxalate with a purity of 99.0% in a mixed solvent of 20 mL of ethanol and 80 mL of deionized water, the ethanol is ethanol with a purity of 99.0%, and configure as oxalate solution B.
[0041] 3) Add the mixed metal salt solution A prepared in step 1 dropwise to the oxalic acid solution B prepared in step 2), stirring while adding dropwise, while controlling the reaction temperature to 60°C, adjusting the pH value with ammonia water, and keeping the pH value at 8.0 After the dropwise additio...
Embodiment 3
[0046] 1) Weigh 0.04mol of CuCl with a purity of 98.0% respectively 2 2H 2 O and 0.02 mol of purity 99.0% NiCl 2 ·6H 2 O, CuCl 2 2H 2 O and NiCl 2 ·6H 2 The ratio of the amount of O species is 2:1. CuCl 2 2H 2 O and NiCl 2 ·6H 2 O was co-dissolved in 100 mL of deionized water and formulated to contain Cu 2+ and Ni 2+ The mixed metal salt solution A, the total concentration of Cu2+ and Ni2+ in the mixed metal salt solution A is 0.6mol / L.
[0047] 2) Dissolve 0.072 mol of oxalic acid with a purity of 99.0% in a mixed solvent of 80 mL of organic reagent ethanol (with a purity of 99.7%) and 20 mL of deionized water to prepare oxalic acid solution B.
[0048] 3) Add the mixed metal salt solution A prepared in step 1 dropwise to the oxalic acid solution B prepared in step 2, and stir while adding dropwise, while controlling the reaction temperature to 60°C, adjusting the pH value with ammonia water, and keeping the pH value at 8.6, Continue to stir for 0.5 hours after ...
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