Method for detecting multi-brightener in liquid for brilliantly nickel plating
A technology of brightener and nickel plating, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems that the content of brightener cannot be checked, the rational compatibility of brightener can be realized, and the same type can be realized, so as to increase the quality control ability and shorten the measurement time. Time, reduce the effect of detection investment
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[0018] Example:
[0019] Step 1: Weigh NiSO separately 4 300g, NiCl 2 40g, H 3 BO 3 Dissolve 40g of them in 1L of purified water heated to 80°C to prepare 1L of blank electroplating solution without any brightener.
[0020] Step 2: Prepare a series of mixed standard solutions containing primary brightener, secondary brightener and wetting agent according to the actual production process, wherein the primary brightener is saccharin, and the secondary brightener is diethoxybutyne di Alcohol and N, N-diethyl-2-propyn-1-amine, sodium dodecylsulfonate as wetting agent (fixed its concentration at 300mg / L). The concentration of each standard solution is shown in Table 1. Take standard solution 1 as an example to illustrate the preparation method.
[0021] Table 1 Composition of standard solutions containing various brighteners
[0022]
[0023] Weigh 100mg of primary brightener saccharin, 10mg of secondary brightener diethoxybutynediol and N,N-diethyl-...
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