Is Sodium hydroxide best solution to git rid of tin and lead?

[billgold]

You keep ignoring or dodging the question: How do you process your wastes?

 

[Ayham Hafez]

You keep ignoring or dodging the question: How do you process your wastes?

I answered your question several times, I said I naturalize the chemical waste with NaOH after precipitating copper by iron as a final step.

 

[Yggdrasil]

I answered your question several times, I said I naturalize the chemical waste with NaOH after precipitating copper by iron as a final step.

No, this is the first time you mention cementing on Copper and Iron.
But if you follow the instructions in dealing with waste you should be good.

 

[Ayham Hafez]

No, this is the first time you mention cementing on Copper and Iron.
But if you follow the instructions in dealing with waste you should be good.

Yes, I just mentioned NaOh, but I was mean after getting copper, who left copper behind!