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如何确定光亮剂的好与差?
1)观察外观。
1) observe the appearance.
好的柔软剂应该是无色透明的。而光亮剂则应是淡黄色透明状的，没有分层现象，无沉淀物，无悬浮物，色泽均匀一致。
Good softeners should be colorless and transparent. The brightener should be light yellow transparent, no stratification, no sediment, no suspended matter, uniform color.
2)使用电流范围要宽。
2) wider current range.
采用250mL霍尔槽测定使用电流范围。方法是分别采用总电流为0．5A、lA、2A。时间分别为lOmin、5min、2min打霍尔槽试片。三个试片均应该是整板镜面光亮为最好。
The 250mL Holzer cell is used to determine the current range. The total current is 0.5A, lA and 2A respectively. The time was lOmin, 5min and 2min for Holzer trough test piece. The three test pieces should be the best mirror.
3)稳定性要好。
3) stability is better.
光亮剂在镀液溶液中稳定，不易分解，从而减少了大处理的次数。第四代镀镍光亮剂的使用含量比第三代光亮剂少90％以上，有机物又十分稳定，大处理周期比第三代光亮剂要长3～4 倍。减少了处理时的原料损失。
The brightening agent is stable in the bath solution, and is not easy to decompose, thereby reducing the number of large processing times. The use content of the fourth generation brightener for nickel plating is more than 90% less than that of the third generation brightener, and the organic matter is very stable. The treatment period is 3-4 times longer than that of the third generation brightener. The material loss during processing is reduced.
4)光亮剂的使用范围要宽。
4) the range of brighteners should be wide.
使用范围过窄会给镀液维护带来很大困难。一般来说，因操作不当，误加一倍量的光亮剂不应出现低电流区发黑或漏镀现象。
Too narrow the scope of use will bring great difficulties to the maintenance of bath. Generally speaking, due to improper operation, double the amount of brightener should not appear in the low current zone blackening or leakage plating phenomenon.
5)低区走位要好。
5) the low area is better.
即使是形状复杂的镀件，仍可在凹洼处镀上合格镍层，且没有明显色差为最好。
Even if the shape of the complex plating parts, still can be in the concave place on the qualified nickel layer, and there is no obvious color difference is the best.
6)整平性能好，出光快。
6) good leveling performance and fast light release.
7)消耗量要少，能降低生产成本。
7) less consumption and lower production costs.
8)镀层应力要小，延展性能好。
8) the coating stress is small and the ductility is good.
除此之外，还要求光亮剂使用温度范围宽，抗杂质能力强，对镍离子含量广泛的适应能力等。
In addition, brighteners are required to use a wide range of temperature, strong resistance to impurities, a wide range of nickel ion content adaptability.
1) observe the appearance.
好的柔软剂应该是无色透明的。而光亮剂则应是淡黄色透明状的，没有分层现象，无沉淀物，无悬浮物，色泽均匀一致。
Good softeners should be colorless and transparent. The brightener should be light yellow transparent, no stratification, no sediment, no suspended matter, uniform color.
2)使用电流范围要宽。
2) wider current range.
采用250mL霍尔槽测定使用电流范围。方法是分别采用总电流为0．5A、lA、2A。时间分别为lOmin、5min、2min打霍尔槽试片。三个试片均应该是整板镜面光亮为最好。
The 250mL Holzer cell is used to determine the current range. The total current is 0.5A, lA and 2A respectively. The time was lOmin, 5min and 2min for Holzer trough test piece. The three test pieces should be the best mirror.
3)稳定性要好。
3) stability is better.
光亮剂在镀液溶液中稳定，不易分解，从而减少了大处理的次数。第四代镀镍光亮剂的使用含量比第三代光亮剂少90％以上，有机物又十分稳定，大处理周期比第三代光亮剂要长3～4 倍。减少了处理时的原料损失。
The brightening agent is stable in the bath solution, and is not easy to decompose, thereby reducing the number of large processing times. The use content of the fourth generation brightener for nickel plating is more than 90% less than that of the third generation brightener, and the organic matter is very stable. The treatment period is 3-4 times longer than that of the third generation brightener. The material loss during processing is reduced.
4)光亮剂的使用范围要宽。
4) the range of brighteners should be wide.
使用范围过窄会给镀液维护带来很大困难。一般来说，因操作不当，误加一倍量的光亮剂不应出现低电流区发黑或漏镀现象。
Too narrow the scope of use will bring great difficulties to the maintenance of bath. Generally speaking, due to improper operation, double the amount of brightener should not appear in the low current zone blackening or leakage plating phenomenon.
5)低区走位要好。
5) the low area is better.
即使是形状复杂的镀件，仍可在凹洼处镀上合格镍层，且没有明显色差为最好。
Even if the shape of the complex plating parts, still can be in the concave place on the qualified nickel layer, and there is no obvious color difference is the best.
6)整平性能好，出光快。
6) good leveling performance and fast light release.
7)消耗量要少，能降低生产成本。
7) less consumption and lower production costs.
8)镀层应力要小，延展性能好。
8) the coating stress is small and the ductility is good.
除此之外，还要求光亮剂使用温度范围宽，抗杂质能力强，对镍离子含量广泛的适应能力等。
In addition, brighteners are required to use a wide range of temperature, strong resistance to impurities, a wide range of nickel ion content adaptability.
