So, if red phosphorus is re-heated at a high temperature, say like it survives a 'barn burner' of a fire, does it adopt some of its origional properties as yellow phosphorus? That is what SWIM has read in other documentation recently. SWIM is no more than your average 'chem-hack', but someone is trying to tell him that the red never survived a fire, but instead is full of chromium dioxide and that is why it is so volitile at room temperature and has 'charcoal' bits mixed in it. Now SWIM is no idiot. He knows that was his barrel of RP that he 'extracted' from the pile of ash and rubble. He knows through his loss of equipment and lack of funds that the fire really did happen. He also knows that the person trying to convince him of this 'chromium dioxide' tainting, is an uneducated, 'monkey see, monkey do' clown that is trying to cover his own ass on a mistake of his own. Any help in this subject would be appreciated.