Isaiah 1:25 in the King James Version
And I will turn my hand upon thee, and purely purge away thy dross, and take away all thy tin:
Context
24 Therefore the Lord, GOD of Armies, the Mighty One of Israel, says: “Ah, I will get relief from my adversaries, and avenge myself on my enemies.
25 I will turn my hand on you, thoroughly purge away your dross, and will take away all your tin.
26 I will restore your judges as at the first, and your counselors as at the beginning. Afterward you shall be called ‘The city of righteousness, a faithful town.’