“…The combustion method using dry oxygen for the separation and determination of sulfur and halogen in organic compounds apparently was originated by Grote and Krekeler (9) and later modified and improved by others (2,11,12,16,18). The com-bustion method using dry oxygen for the determination of sulfur in various inorganic sulfides has been developed and used extensively by W. Biltz and his coworkers (4, 5).…”