Distribution of phosphorus

摘要: The P content present in the Pittsburgh coal seam from Connersville, Pa. region was studied. Sixty-five channel samples 22 mines were divided into five smaller to be analyzed following manner (based on an average height of 8 feet per sample): 1 and 2 top two 6 inch sections, 4 5 bottom sample 3 remaining middle section. Results measurements are tabulated. It noted that concentrations appear highly variable as well entire seam. Overall, for 0.016% which decreased 0.013% when inches omitted.