Method for measuring zinc and nickel contents in zinc-nickel alloy electroplating solution
A measurement method, the technology of zinc-nickel alloy, is applied in the direction of material analysis by observing the influence on chemical indicators, and analysis by making materials undergo chemical reactions. End-point discoloration and insensitivity problems, to achieve the effect of quality assurance, accurate and consistent test results, and convenient testing process
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[0048] The present invention will be further described below with regard to specific embodiments.
[0049] A kind of assay method of zinc-nickel content of zinc-nickel alloy electroplating solution, it comprises the following steps:
[0050] 1. Determination of nickel content
[0051] 1. Preparation of blank solution
[0052] a. Take 1.00mL of the electroplating solution to be tested, place it in a 100mL volumetric flask, add water to dilute to the mark, and shake well;
[0053] b. Draw 10.00mL of the diluted plating solution and place it in a 100mL volumetric flask, then add 10mL of sodium tartrate solution with a concentration of 200g / L, 10mL of sodium hydroxide solution with a concentration of 100g / L, and 5mL of sodium hydroxide solution with a concentration of 5mL into the volumetric flask. Ammonium persulfate solution of 100g / L;
[0054] c. Add water to dilute to the mark, shake well and set aside.
[0055] 2. Draw the working curve
[0056] a. Add 0.00mL, 0.50mL, 1....
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