Author:Quass, FW; Coetzee, SDDate:1946Volatile determinations were carried out on nut and powdered coal samples in an electric muffle furnace.Read more
Author:Davis, PC; La Grange, CC; Coetzee, SDDate:1950During September 1950, the Institute was notified that portions of the core from a borehole drilled on the farm Kalabasvlakte 3749 were apparently impregnated with oil. Samples of the core were obtained and examined and it was conducted that ...Read more
Author:Coetzee, SDDate:1950The method adopted at the Institute is that laid down by the S.A. standards specification c.f. “The determination of the comparative calorific values of coals in South Africa.”Read more