Numbers 31:22-24

New Century Version

²² Put any gold, silver, bronze, iron, tin, or lead— ²³ anything that will not burn—into the fire, and then it will be clean. But also purify those things with the cleansing water. Then they will be clean. If something cannot stand the fire, wash it with the water. ²⁴ On the seventh day wash your clothes, and you will be clean. After that you may come into the camp.”