(88) باب الْمَدِينَةِ تَنْفِي شِرَارَهَا
This hadith has been narrated by Yabya b. Sa'id with the same chain of transmitters (and the words are):
" Just as a furance removes impurity," but no mention is made of iron. (RU)
Reference (RU): Sahih Muslim 1382 b (RU)
In-book reference (RU): Book 15, Hadith 558 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 3190 (RU)