The word(s) "impure" appears 3 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) Those who follow the Apostle-Prophet, the Ummi, whom they find written down with them in the Taurat and the Injeel (who) enjoins them good and forbids them evil, and makes lawful to them the good things and makes unlawful to them impure things, and removes from them their burden and the shackles which were upon them; so (as for) those who believe in him and honor him and help him, and follow the light which has been sent down with him, these it is that are the successful.

(2) That Allah might separate the impure from the good, and put the impure, some of it upon the other, and pile it up together, then cast it into hell; these it is that are the losers.