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Topic: thiourea in electroless tin plating  (Read 2668 times)

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Offline lawrencek

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thiourea in electroless tin plating
« on: July 20, 2016, 07:04:20 PM »
I want to electroless tin plate some PCB's I have some old seno paling solution - I know that it contains SnCl2, and also that one of the ingredients is thiourea.

How mioght I revive it? can i simply add more thiourea?

Some mixtures suggest sulpmamic acid. Can I use HCL or citric acid instead in a DIY mixture?

Thanks
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Offline lawrencek

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Re: thiourea in electroless tin plating
« Reply #1 on: July 20, 2016, 07:05:35 PM »
sorry about spelling, sulphamic acid
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