AP-42, CH 8.12: Sodium Carbonate
AP-42, CH 8.12: Sodium Carbonate. 8.12 Sodium Carbonate 8.12.1 General1-3. Sodium carbonate (Na2CO3), commonly referred to as soda ash, is one of the largest-volume mineral products in the U. S., with 1991 production of over 9 million megagrams (Mg) (10.2 million tons). Over 85 percent of this soda ash originates in Wyoming, with the …