2-Mercaptobenzothiazole
It is used mainly as a light agent for copper and copper.It has a good leveling effect.The usual dosage is 0.05 ~ 0.10 g/L.It can also be used as a bright agent for cyaniding silver, adding 0.5 g/L, to make the cathode polarization increase, and the silver ion crystallized to the silver layer.
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