King James Version
Then set it empty upon the coals thereof, that the brass of it may be hot, and may burn, and that the filthiness of it may be molten in it, that the scum of it may be consumed.New International Version
Then set the empty pot on the coals till it becomes hot and its copper glows so its impurities may be melted and its deposit burned away.Catholic Public Domain Version
Also, place it empty on burning coals, so that it may be heated, and its brass may melt. And let the filth of it be melted in its midst, and let its rust be consumed