Thread: NaOH, where?
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Old 08-05-2011, 12:02 PM
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bojan
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Join Date: Jul 2006
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Thanks mate, I will check at Bunnings..
Something must have happened with it (apart from absorbing water), because it doesn't develop the exposed photoresist any more (I need it for PCB etching at home).
The water solution must always be fresh, after couple of days it stops being active.. so I suppose it must be oxidised (what else could happen to it?)
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