Determination of Total Sulfur in Lichens and Plants by Combustion-Infrared Analysis Larry L. Jackson,* Edythe E. Engleman, and Janet L. Peard Environ. Sci. Technol. 1985, 19, 437-441
Determination of Sulfur in Plant Material Using a Leco Sulfur Analyzer J. AGR. FOOD CHEM., VOL. 20, NO. 6, 1972
Determination of Total Sulfur and Total Phosphorus in Soils Using Fusion with Alkali Metal Nitrates Neil R. McQuaker and Tony Fung ANALYTICAL CHEMISTRY, VOL. 47, NO. 8, JULY 1975:1462 谢谢!