Phosphorus

The article contains sections titled:

1.	Introduction
2.	Properties
2.1.	Physical Properties
2.2.	Chemical Properties
3.	Occurrence of Phosphates in Nature
4.	Production of White Phosphorus
4.1.	Raw Materials
4.2.	The Phosphorus Furnace
4.3.	Purification of Crude Phosphorus
4.4.	Treatment of Phosphorus-Containing Wastewater
4.5.	Slag
4.6.	Ferrophosphorus
4.7.	Yields
5.	Production of Red Phosphorus
6.	Quality Specifications, Storage, and Transportation
6.1.	White Phosphorus
6.2.	Red Phosphorus
7.	Uses
8.	Economic Aspects
9.	Toxicology